Desirable ITS Communication for Safety: Evaluation by the TsRm Evaluation Method for Overengineering Prevention, and Discussion About Sensor and Communication Fusion
Ikkei HASEBE Takaaki HASEGAWA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-A  No. 10  pp. 1379-1388
Type of Manuscript:  PAPER
Category: Intelligent Transport System
Keyword: 
ITS communicationV2Vsensors evaluationmicroscopic traffic flow simulation
 Summary | Full Text:PDF(2MB)

A DLL-Based Body Bias Generator with Independent P-Well and N-Well Biasing for Minimum Energy Operation
Kentaro NAGAI Jun SHIOMI Hidetoshi ONODERA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-C  No. 10  pp. 617-624
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Their Application Technologies)
Category: 
Keyword: 
body bias generatorminimum energy point tracking (MEPT)adaptive body bias (ABB)analog-assisted digital
 Summary | Full Text:PDF(2.8MB)

Linearization Technologies for High Efficiency Power Amplifier of Cellular Base Stations
Yasunori SUZUKI Shoichi NARAHASHI 
Publication:   
Publication Date: 2021/10/01
Vol. E104-C  No. 10  pp. 534-542
Type of Manuscript:  INVITED PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
feed-forwardpredistortionpower amplifiercellular base station
 Summary | Full Text:PDF(2.4MB)

Verification of Group Key Management of IEEE 802.21 Using ProVerif
Ryoga NOGUCHI Yoshikazu HANATANI Kazuki YONEYAMA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1533-1543
Type of Manuscript:  Special Section PAPER (Special Section on Formal Approaches)
Category: 
Keyword: 
ProVerifIEEE 802.21HEMSgroup key management
 Summary | Full Text:PDF(727.5KB)

FOREWORD
Takashi OSHIMA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-C  No. 10  pp. 605-606
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(67.4KB)

Supporting Proactive Refactoring: An Exploratory Study on Decaying Modules and Their Prediction
Natthawute SAE-LIM Shinpei HAYASHI Motoshi SAEKI 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1601-1615
Type of Manuscript:  PAPER
Category: Software Engineering
Keyword: 
code qualitycode smellsrefactoring
 Summary | Full Text:PDF(913.8KB)

Single Image Dehazing Algorithm Based on Modified Dark Channel Prior
Hao ZHOU Zhuangzhuang ZHANG Yun LIU Meiyan XUAN Weiwei JIANG Hailing XIONG 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1758-1761
Type of Manuscript:  LETTER
Category: Artificial Intelligence, Data Mining
Keyword: 
image dehazingdark channel priortransmission compensationatmospheric scattering model
 Summary | Full Text:PDF(516.8KB)

FOREWORD
Fuyuki ISHIKAWA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1514-1514
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(54.3KB)

FOREWORD
Toshiaki FUJII 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1544-1544
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(52.8KB)

Research on a Prediction Method for Carbon Dioxide Concentration Based on an Optimized LSTM Network of Spatio-Temporal Data Fusion
Jun MENG Gangyi DING Laiyang LIU 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1753-1757
Type of Manuscript:  LETTER
Category: Data Engineering, Web Information Systems
Keyword: 
carbon emissionswireless carbon sensor networkoptimized LSTM networkmulti-source data fusion
 Summary | Full Text:PDF(1.8MB)

Uplink Performance Analysis of MU-MIMO ZF Receiver Over Correlated Rayleigh Fading Channel with Imperfect CSI
Supraja EDURU Nakkeeran RANGASWAMY 
Publication:   
Publication Date: 2021/10/01
Vol. E104-B  No. 10  pp. 1328-1335
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
MU-MIMOimperfect CSIBERZF receivercorrelated Rayleigh fading channel
 Summary | Full Text:PDF(2.1MB)

Eigenvalue Based Relay Selection for XOR-Physical Layer Network Coding in Bi-Directional Wireless Relaying Networks
Satoshi DENNO Kazuma YAMAMOTO Yafei HOU 
Publication:   
Publication Date: 2021/10/01
Vol. E104-B  No. 10  pp. 1336-1344
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
physical layer network codingnon-linear precodingMIMOsignal to noise power ratioeigenvalues
 Summary | Full Text:PDF(1.3MB)

Health Indicator Estimation by Video-Based Gait Analysis
Ruochen LIAO Kousuke MORIWAKI Yasushi MAKIHARA Daigo MURAMATSU Noriko TAKEMURA Yasushi YAGI 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1678-1690
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
gait analysisbody compositiondeep learninghealthcare
 Summary | Full Text:PDF(1.7MB)

Mining Emergency Event Logs to Support Resource Allocation
Huiling LI Cong LIU Qingtian ZENG Hua HE Chongguang REN Lei WANG Feng CHENG 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1651-1660
Type of Manuscript:  PAPER
Category: Office Information Systems, e-Business Modeling
Keyword: 
emergency resource allocationemergency event logsprocess miningPetri nets
 Summary | Full Text:PDF(1.1MB)

Image Emotion Recognition Using Visual and Semantic Features Reflecting Emotional and Similar Objects
Takahisa YAMAMOTO Shiki TAKEUCHI Atsushi NAKAZAWA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1691-1701
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
deep learningemotion recognitionobject vectorword vectorsemantic features
 Summary | Full Text:PDF(3.4MB)

Code-Switching ASR and TTS Using Semisupervised Learning with Machine Speech Chain
Sahoko NAKAYAMA Andros TJANDRA Sakriani SAKTI Satoshi NAKAMURA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1661-1677
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
ASRcode-switchinglanguage identificationsemisupervised learningTTSmachine speech chain
 Summary | Full Text:PDF(1.6MB)

Formal Modeling and Verification of Concurrent FSMs: Case Study on Event-Based Cooperative Transport Robots
Yoshinao ISOBE Nobuhiko MIYAMOTO Noriaki ANDO Yutaka OIWA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1515-1532
Type of Manuscript:  Special Section PAPER (Special Section on Formal Approaches)
Category: 
Keyword: 
formal approachconcurrent finite state machinesprocess algebramodel checkcooperative robotsrobotic technology middleware
 Summary | Full Text:PDF(4.4MB)

DeepSIP: A System for Predicting Service Impact of Network Failure by Temporal Multimodal CNN
Yoichi MATSUO Tatsuaki KIMURA Ken NISHIMATSU 
Publication:   
Publication Date: 2021/10/01
Vol. E104-B  No. 10  pp. 1288-1298
Type of Manuscript:  PAPER
Category: Network Management/Operation
Keyword: 
service impactnetwork operationmultimodalCNN
 Summary | Full Text:PDF(1.3MB)

Power-Based Criteria for Signal Reconstruction Using 1-bit Resolution DACs in Massive MU-MIMO OFDM Downlink
Riki OKAWA Yukitoshi SANADA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-B  No. 10  pp. 1299-1306
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
massive MU-MIMOquantized precodinglow resolution DACsGibbs sampling
 Summary | Full Text:PDF(939.3KB)

Diversity-Robust Acoustic Feature Signatures Based on Multiscale Fractal Dimension for Similarity Search of Environmental Sounds
Motohiro SUNOUCHI Masaharu YOSHIOKA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1734-1748
Type of Manuscript:  PAPER
Category: Music Information Processing
Keyword: 
environmental sound analysisfractalscontent-based retrievalfeature extraction
 Summary | Full Text:PDF(3.2MB)

Per-Pixel Water Detection on Surfaces with Unknown Reflectance
Chao WANG Michihiko OKUYAMA Ryo MATSUOKA Takahiro OKABE 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1555-1562
Type of Manuscript:  Special Section PAPER (Special Section on Picture Coding and Image Media Processing)
Category: 
Keyword: 
water detectionabsorptionhyperspectral imagingNIRspectral reflectance
 Summary | Full Text:PDF(1.3MB)

Clustering for Signal Power Distribution Toward Low Storage Crowdsourced Spectrum Database
Yoji UESUGI Keita KATAGIRI Koya SATO Kei INAGE Takeo FUJII 
Publication:   
Publication Date: 2021/10/01
Vol. E104-B  No. 10  pp. 1237-1248
Type of Manuscript:  Special Section PAPER (Special Section on Dynamic Spectrum Sharing for Future Wireless Systems)
Category: 
Keyword: 
spectrum databaseradio propagationclusteringfading distribution
 Summary | Full Text:PDF(2.4MB)

Lossless Coding of HDR Color Images in a Floating Point Format Using Block-Adaptive Inter-Color Prediction
Yuya KAMATAKI Yusuke KAMEDA Yasuyo KITA Ichiro MATSUDA Susumu ITOH 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1572-1575
Type of Manuscript:  Special Section LETTER (Special Section on Picture Coding and Image Media Processing)
Category: 
Keyword: 
lossless codingHDR color imageRadiance RGBE formatblock-adaptive inter-color prediction
 Summary | Full Text:PDF(6.8MB)

S-to-X Band 360-Degree RF Phase Detector IC Consisting of Symmetrical Mixers and Tunable Low-Pass Filters
Akihito HIRAI Kazutomi MORI Masaomi TSURU Mitsuhiro SHIMOZAWA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-C  No. 10  pp. 559-567
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
RF phase detectorsymmetrical mixertunable low-pass filterSiGe-BiCMOS integrated circuits
 Summary | Full Text:PDF(1.6MB)

An Enhanced HDPC-EVA Decoder Based on ADMM
Yujin ZHENG Yan LIN Zhuo ZHANG Qinglin ZHANG Qiaoqiao XIA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-A  No. 10  pp. 1425-1429
Type of Manuscript:  LETTER
Category: Coding Theory
Keyword: 
alternating direction method of multipliers (ADMM)even vertex algorithm (EVA)high-density parity-check (HDPC) codescheck polytope projection
 Summary | Full Text:PDF(3.3MB)

A Method for Detecting Timing of Photodiode Saturation without In-Pixel TDC for High-Dynamic-Range CMOS Image Sensor
Yuji INAGAKI Yasuyuki MATSUYA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-C  No. 10  pp. 607-616
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Their Application Technologies)
Category: 
Keyword: 
CMOS image sensor (CIS)high dynamic range (HDR)photodiode saturation timetiming detection
 Summary | Full Text:PDF(1.7MB)

A CNN-Based Optimal CTU λ Decision for HEVC Intra Rate Control
Lili WEI Zhenglong YANG Zhenming WANG Guozhong WANG 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1766-1769
Type of Manuscript:  LETTER
Category: Image Processing and Video Processing
Keyword: 
HEVCintra rate controlCNNrate distortion optimization
 Summary | Full Text:PDF(433.7KB)

On the List Decodability of Matrix Codes with Different Metrics
Yang DING Yuting QIU Hongxi TONG 
Publication:   
Publication Date: 2021/10/01
Vol. E104-A  No. 10  pp. 1430-1434
Type of Manuscript:  LETTER
Category: Coding Theory
Keyword: 
list decodingcover metricrank metricthe Johnson radiusthe Singleton bound
 Summary | Full Text:PDF(295.2KB)

Semi-Structured BitTorrent Protocol with Application to Efficient P2P Video Streaming
Satoshi FUJITA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1624-1631
Type of Manuscript:  PAPER
Category: Information Network
Keyword: 
P2P-assisted video streamingBitTorrentchunk schedulingP2P overlay
 Summary | Full Text:PDF(306.6KB)

Multi-Task Learning for Improved Recognition of Multiple Types of Acoustic Information
Jae-Won KIM Hochong PARK 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1762-1765
Type of Manuscript:  LETTER
Category: Speech and Hearing
Keyword: 
phoneme recognitionemotion recognitionmusic genre recognitionmulti-task learningneural network
 Summary | Full Text:PDF(647.1KB)

Robust and Efficient Homography Estimation Using Directional Feature Matching of Court Points for Soccer Field Registration
Kazuki KASAI Kaoru KAWAKITA Akira KUBOTA Hiroki TSURUSAKI Ryosuke WATANABE Masaru SUGANO 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1563-1571
Type of Manuscript:  Special Section PAPER (Special Section on Picture Coding and Image Media Processing)
Category: 
Keyword: 
camera self-calibrationhomography matrixfeature matchingline detection
 Summary | Full Text:PDF(2.5MB)

Constructions of Binary Sequence Pairs of Length 5q with Optimal Three-Level Correlation
Xiumin SHEN Xiaofei SONG Yanguo JIA Yubo LI 
Publication:   
Publication Date: 2021/10/01
Vol. E104-A  No. 10  pp. 1435-1439
Type of Manuscript:  LETTER
Category: Coding Theory
Keyword: 
binary sequence pairsalmost difference set pairsoptimal correlationcyclotomyChinese remainder theorem
 Summary | Full Text:PDF(267.4KB)

Triplet Attention Network for Video-Based Person Re-Identification
Rui SUN Qili LIANG Zi YANG Zhenghui ZHAO Xudong ZHANG 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1775-1779
Type of Manuscript:  LETTER
Category: Image Recognition, Computer Vision
Keyword: 
person re-identificationconvolutional neural networkattention mechanismdeep learning
 Summary | Full Text:PDF(1.8MB)

Unsupervised Building Damage Identification Using Post-Event Optical Imagery and Variational Autoencoder
Daming LIN Jie WANG Yundong LI 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1770-1774
Type of Manuscript:  LETTER
Category: Image Recognition, Computer Vision
Keyword: 
building damage identificationfeature alignmentdeep learningdomain adaptation
 Summary | Full Text:PDF(803.9KB)

Co-Head Pedestrian Detection in Crowded Scenes
Chen CHEN Maojun ZHANG Hanlin TAN Huaxin XIAO 
Publication:   
Publication Date: 2021/10/01
Vol. E104-A  No. 10  pp. 1440-1444
Type of Manuscript:  LETTER
Category: Image
Keyword: 
pedestrian detectionhead detectionjoint lossanchor-free framework
 Summary | Full Text:PDF(3.1MB)

Rectifier Circuit using High-Impedance Feedback Line for Microwave Wireless Power Transfer Systems
Seiya MIZUNO Ryosuke KASHIMURA Tomohiro SEKI Maki ARAI Hiroshi OKAZAKI Yasunori SUZUKI 
Publication:   
Publication Date: 2021/10/01
Vol. E104-C  No. 10  pp. 552-558
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
wireless power transferrectifier circuitfeedback linemicrowave frequencyquasi-millimeter and millimeter-wave frequency
 Summary | Full Text:PDF(1.2MB)

ZigZag Antenna Configuration for MmWave V2V with Relay in Typical Road Scenarios: Design, Analysis and Experiment
Yue YIN Haoze CHEN Zongdian LI Tao YU Kei SAKAGUCHI 
Publication:   
Publication Date: 2021/10/01
Vol. E104-B  No. 10  pp. 1307-1317
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
V2Vmillimeter waveZigZag antenna configurationinterference controlthroughput measurement
 Summary | Full Text:PDF(5.5MB)

A Reinforcement Learning Approach for Self-Optimization of Coverage and Capacity in Heterogeneous Cellular Networks
Junxuan WANG Meng YU Xuewei ZHANG Fan JIANG 
Publication:   
Publication Date: 2021/10/01
Vol. E104-B  No. 10  pp. 1318-1327
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
coverage and capacity optimizationself-organizing networksradio frequencyreinforcement learningheterogeneous cellular networks
 Summary | Full Text:PDF(1.5MB)

An Autoencoder Based Background Subtraction for Public Surveillance
Yue LI Xiaosheng YU Haijun CAO Ming XU 
Publication:   
Publication Date: 2021/10/01
Vol. E104-A  No. 10  pp. 1445-1449
Type of Manuscript:  LETTER
Category: Image
Keyword: 
surveillance imagebackground imageautoencodermulti-scale featuresforeground detection
 Summary | Full Text:PDF(1.2MB)

Sketch Face Recognition via Cascaded Transformation Generation Network
Lin CAO Xibao HUO Yanan GUO Kangning DU 
Publication:   
Publication Date: 2021/10/01
Vol. E104-A  No. 10  pp. 1403-1415
Type of Manuscript:  PAPER
Category: Image
Keyword: 
sketch face recognitiondomain gapcascaded transformation generation networkimage generation
 Summary | Full Text:PDF(4.7MB)

A Noise-Canceling Charge Pump for Area Efficient PLL Design
Go URAKAWA Hiroyuki KOBAYASHI Jun DEGUCHI Ryuichi FUJIMOTO 
Publication:   
Publication Date: 2021/10/01
Vol. E104-C  No. 10  pp. 625-634
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Their Application Technologies)
Category: 
Keyword: 
PLLfrequency synthesizerphase-locked loopcharge pumpnoise-cancelphase noisejitterin-band noiseoccupied area
 Summary | Full Text:PDF(2.2MB)

PSTNet: Crowd Flow Prediction by Pyramidal Spatio-Temporal Network
Enze YANG Shuoyan LIU Yuxin LIU Kai FANG 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1780-1783
Type of Manuscript:  LETTER
Category: Biocybernetics, Neurocomputing
Keyword: 
crowd flow predictionspatial encodingmulti-scale feature extractionneural architecture search
 Summary | Full Text:PDF(509.4KB)

Global Optimization Algorithm for Cloud Service Composition
Hongwei YANG Fucheng XUE Dan LIU Li LI Jiahui FENG 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1580-1591
Type of Manuscript:  PAPER
Category: Computer System
Keyword: 
web service compositionbeetle antennae search algorithmparticle swarm optimization algorithmglobal optimization algorithm
 Summary | Full Text:PDF(1.7MB)

Rolling Guidance Filter as a Clustering Algorithm
Takayuki HATTORI Kohei INOUE Kenji HARA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1576-1579
Type of Manuscript:  Special Section LETTER (Special Section on Picture Coding and Image Media Processing)
Category: 
Keyword: 
edge preserving smoothingrolling guidance filterclustering
 Summary | Full Text:PDF(983.7KB)

An Ising Machine-Based Solver for Visiting-Route Recommendation Problems in Amusement Parks
Yosuke MUKASA Tomoya WAKAIZUMI Shu TANAKA Nozomu TOGAWA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1592-1600
Type of Manuscript:  PAPER
Category: Computer System
Keyword: 
Ising machineamusement parkcombinatorial optimization problemIsing modelquadratic unconstrained binary optimization
 Summary | Full Text:PDF(976.3KB)

Asymptotic Stabilization of a Chain of Integrators by an Event-Triggered Gain-Scaling Controller
Sang-Young OH Ho-Lim CHOI 
Publication:   
Publication Date: 2021/10/01
Vol. E104-A  No. 10  pp. 1421-1424
Type of Manuscript:  LETTER
Category: Systems and Control
Keyword: 
asymptotic stabilizationchain of integratorsevent-triggered control
 Summary | Full Text:PDF(441.1KB)

An Optimistic Synchronization Based Optimal Server Selection Scheme for Delay Sensitive Communication Services
Akio KAWABATA Bijoy Chand CHATTERJEE Eiji OKI 
Publication:   
Publication Date: 2021/10/01
Vol. E104-B  No. 10  pp. 1277-1287
Type of Manuscript:  PAPER
Category: Network System
Keyword: 
real-time applicationdistributed processingedge computingoptimistic synchronize algorithmtime warpand server selection problem
 Summary | Full Text:PDF(2MB)

Research & Development of the Advanced Dynamic Spectrum Sharing System between Different Radio Services
Hiroyuki SHINBO Kousuke YAMAZAKI Yoji KISHI 
Publication:   
Publication Date: 2021/10/01
Vol. E104-B  No. 10  pp. 1198-1206
Type of Manuscript:  INVITED PAPER (Special Section on Dynamic Spectrum Sharing for Future Wireless Systems)
Category: 
Keyword: 
dynamic spectrum sharingspectrum sharing management systemspectrum sharing technologyradio propagation5G system
 Summary | Full Text:PDF(2.3MB)

Realization of Rectangular Frequency Characteristics by the Effects of a Low-Noise Amplifier and Flat Passband Bandpass Filter
Tomohiro TSUKUSHI Satoshi ONO Koji WADA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-C  No. 10  pp. 568-575
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
bandpass filter (BPF)flat passband BPFlow noise amplifier (LNA)rectangular frequency characteristics
 Summary | Full Text:PDF(2.9MB)

Discovering Multiple Clusters of Sightseeing Spots to Improve Tourist Satisfaction Using Network Motifs
Tengfei SHAO Yuya IEIRI Reiko HISHIYAMA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1640-1650
Type of Manuscript:  PAPER
Category: Office Information Systems, e-Business Modeling
Keyword: 
multiple clusters of sightseeing spotsimprovement of tourist satisfactionnetworkinformation processing
 Summary | Full Text:PDF(597.1KB)

Feasibility Study of Wi-SUN JUTA Profile-Compliant F-RIT Protocol
Ryota OKUMURA Keiichi MIZUTANI Hiroshi HARADA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-B  No. 10  pp. 1354-1365
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
Wi-SUNJUTA profileIEEE 802.15.4RITMAC protocol
 Summary | Full Text:PDF(2.6MB)

FL-GAN: Feature Learning Generative Adversarial Network for High-Quality Face Sketch Synthesis
Lin CAO Kaixuan LI Kangning DU Yanan GUO Peiran SONG Tao WANG Chong FU 
Publication:   
Publication Date: 2021/10/01
Vol. E104-A  No. 10  pp. 1389-1402
Type of Manuscript:  PAPER
Category: Image
Keyword: 
face sketch synthesisadversarial learninggenerative adversarial networksfeature learning
 Summary | Full Text:PDF(93.8MB)

High-Density Implementation Techniques for Long-Range Radar Using Horn and Lens Antennas
Akira KITAYAMA Akira KURIYAMA Hideyuki NAGAISHI Hiroshi KURODA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-C  No. 10  pp. 596-604
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
77 GHz long-range radarhorn and lens antennaantenna isolationdirection of arrival estimationcompact implementation
 Summary | Full Text:PDF(3.4MB)

Stochastic Geometry Analysis of Inversely Proportional Carrier Sense Threshold and Transmission Power for WLAN Spatial Reuse
Koji YAMAMOTO Takayuki NISHIO Masahiro MORIKURA Hirantha ABEYSEKERA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-B  No. 10  pp. 1345-1353
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
IEEE 802.11axspatial reusecarrier sense thresholdstochastic geometry
 Summary | Full Text:PDF(2MB)

Simple Oblivious Routing Method to Balance Load in Network-on-Chip
Jiao GUAN Jueping CAI Ruilian XIE Yequn WANG Jinzhi LAI 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1749-1752
Type of Manuscript:  LETTER
Category: Computer System
Keyword: 
network-on-chip (NoC)load balancingoblivious routing
 Summary | Full Text:PDF(427.8KB)

Gravity Wave Observation Experiment Based on High Frequency Surface Wave Radar
Zhe LYU Changjun YU Di YAO Aijun LIU Xuguang YANG 
Publication:   
Publication Date: 2021/10/01
Vol. E104-A  No. 10  pp. 1416-1420
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
high frequency surface wave radarionosphere cluttershort-time Fourier transformgravity wave
 Summary | Full Text:PDF(2MB)

A Survey on Spectrum Sensing and Learning Technologies for 6G
Zihang SONG Yue GAO Rahim TAFAZOLLI 
Publication:   
Publication Date: 2021/10/01
Vol. E104-B  No. 10  pp. 1207-1216
Type of Manuscript:  INVITED PAPER (Special Section on Dynamic Spectrum Sharing for Future Wireless Systems)
Category: 
Keyword: 
cognitive radiospectrum sensingcompressed sensingmachine learning
 Summary | Full Text:PDF(774.7KB)

HBDCA: A Toolchain for High-Accuracy BRAM-Defined CNN Accelerator on FPGA with Flexible Structure
Zhengjie LI Jiabao GAO Jinmei LAI 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1724-1733
Type of Manuscript:  PAPER
Category: Biocybernetics, Neurocomputing
Keyword: 
toolchainTensorFlow LiteUpdateMEMCNNFPGA
 Summary | Full Text:PDF(2.4MB)

Similarity Search in InterPlanetary File System with the Aid of Locality Sensitive Hash
Satoshi FUJITA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1616-1623
Type of Manuscript:  PAPER
Category: Information Network
Keyword: 
IPFSsimilarity searchlocality sensitive hashKademlia DHT
 Summary | Full Text:PDF(379KB)

Document-Level Neural Machine Translation with Associated Memory Network
Shu JIANG Rui WANG Zuchao LI Masao UTIYAMA Kehai CHEN Eiichiro SUMITA Hai ZHAO Bao-liang LU 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1712-1723
Type of Manuscript:  PAPER
Category: Natural Language Processing
Keyword: 
memory networkneural machine translationdocument-level context
 Summary | Full Text:PDF(977.1KB)

Image Based Coding of Spatial Probability Distribution on Human Dynamics Data
Hideaki KIMATA Xiaojun WU Ryuichi TANIDA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1545-1554
Type of Manuscript:  Special Section PAPER (Special Section on Picture Coding and Image Media Processing)
Category: 
Keyword: 
human dynamics dataprobability distributionscalable codingnon-linear mappingmultimedia database
 Summary | Full Text:PDF(1.4MB)

Spatial Compression of Sensing Information for Exploiting the Vacant Frequency Resource Using Radio Sensors
Kenichiro YAMAMOTO Osamu TAKYU Keiichiro SHIRAI Yasushi FUWA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-B  No. 10  pp. 1217-1226
Type of Manuscript:  Special Section PAPER (Special Section on Dynamic Spectrum Sharing for Future Wireless Systems)
Category: 
Keyword: 
compression of sensing informationDSAcognitive radio
 Summary | Full Text:PDF(9.6MB)

Gradient Corrected Approximation for Binary Neural Networks
Song CHENG Zixuan LI Yongsen WANG Wanbing ZOU Yumei ZHOU Delong SHANG Shushan QIAO 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1784-1788
Type of Manuscript:  LETTER
Category: Biocybernetics, Neurocomputing
Keyword: 
binary neural networkdeep learninggradient approximationfine-tuning
 Summary | Full Text:PDF(1.6MB)

Transmission Characteristics Control of 120 GHz-Band Bandstop Filter by Coupling Alignment-Free Lattice Pattern
Akihiko HIRATA Koichiro ITAKURA Taiki HIGASHIMOTO Yuta UEMURA Tadao NAGATSUMA Takashi TOMURA Jiro HIROKAWA Norihiko SEKINE Issei WATANABE Akifumi KASAMATSU 
Publication:   
Publication Date: 2021/10/01
Vol. E104-C  No. 10  pp. 587-595
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
terahertzfilterwireless communicationclose-proximity wireless link
 Summary | Full Text:PDF(2.4MB)

300-GHz-Band OFDM Video Transmission with CMOS TX/RX Modules and 40dBi Cassegrain Antenna toward 6G
Yohei MORISHITA Sangyeop LEE Toshihiro TERAOKA Ruibing DONG Yuichi KASHINO Hitoshi ASANO Shinsuke HARA Kyoya TAKANO Kosuke KATAYAMA Takenori SAKAMOTO Naganori SHIRAKATA Koji TAKINAMI Kazuaki TAKAHASHI Akifumi KASAMATSU Takeshi YOSHIDA Shuhei AMAKAWA Minoru FUJISHIMA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-C  No. 10  pp. 576-586
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
6GTHz300GHzCassegrain antennaOFDMCMOStransmitterreceivermodule
 Summary | Full Text:PDF(4MB)

Fitness-Distance Balance with Functional Weights: A New Selection Method for Evolutionary Algorithms
Kaiyu WANG Sichen TAO Rong-Long WANG Yuki TODO Shangce GAO 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1789-1792
Type of Manuscript:  LETTER
Category: Biocybernetics, Neurocomputing
Keyword: 
evolutionary algorithmsfitness-distance balancefunctional weightsselection method
 Summary | Full Text:PDF(200.6KB)

Time of Arrival Ranging and Localization Algorithm in Multi-Path and Non-Line-of-Sight Environments in OFDM System
Zhenyu ZHANG Shaoli KANG Bin REN Xiang ZHANG 
Publication:   
Publication Date: 2021/10/01
Vol. E104-B  No. 10  pp. 1366-1376
Type of Manuscript:  PAPER
Category: Sensing
Keyword: 
time of arrivalrange estimationlocalizationGaussian mixture modelmaximum a posterior
 Summary | Full Text:PDF(3.8MB)

FOREWORD
Yasushi YAMAO 
Publication:   
Publication Date: 2021/10/01
Vol. E104-B  No. 10  pp. 1197-1197
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(437.5KB)

Highly Efficient Sensing Methods of Primary Radio Transmission Systems toward Dynamic Spectrum Sharing-Based 5G Systems
Atomu SAKAI Keiichi MIZUTANI Takeshi MATSUMURA Hiroshi HARADA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-B  No. 10  pp. 1227-1236
Type of Manuscript:  Special Section PAPER (Special Section on Dynamic Spectrum Sharing for Future Wireless Systems)
Category: 
Keyword: 
spectrum sharingOFDMsignal detectionfield pickup unit (FPU)5G
 Summary | Full Text:PDF(1.7MB)

Overview and Prospects of High Power Amplifier Technology Trend for 5G and beyond 5G Base Stations
Koji YAMANAKA Shintaro SHINJO Yuji KOMATSUZAKI Shuichi SAKATA Keigo NAKATANI Yutaro YAMAGUCHI 
Publication:   
Publication Date: 2021/10/01
Vol. E104-C  No. 10  pp. 526-533
Type of Manuscript:  INVITED PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
5Gbeyond 5Ghigh power amplifierbase-stationDoherty amplifierdigital power amplifier
 Summary | Full Text:PDF(2.6MB)

Specificity Analysis for Nonlinear Distorted Radiation Using 4.65GHz Band Massive Element Active Antenna System for 5G and Influence on Spatial Multiplexing Performance
Takuji MOCHIZUKI 
Publication:   
Publication Date: 2021/10/01
Vol. E104-C  No. 10  pp. 543-551
Type of Manuscript:  INVITED PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
5GAASMassive MIMODPDCAL
 Summary | Full Text:PDF(2.2MB)

Analysis and Design of Continuous-Time Comparator
Takahiro MIKI 
Publication:   
Publication Date: 2021/10/01
Vol. E104-C  No. 10  pp. 635-642
Type of Manuscript:  INVITED PAPER (Special Section on Analog Circuits and Their Application Technologies)
Category: 
Keyword: 
comparatorcontinuous timeanalysisoptimizationrelaxation oscillatorpulse width modulatorsingle-slope A/D converter
 Summary | Full Text:PDF(1.3MB)

Recent Progress on High Output Power, High Frequency and Wide Bandwidth GaN Power Amplifiers
Masaru SATO Yoshitaka NIIDA Atsushi YAMADA Junji KOTANI Shiro OZAKI Toshihiro OHKI Naoya OKAMOTO Norikazu NAKAMURA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-C  No. 10  pp. 480-487
Type of Manuscript:  INVITED PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
GaN power amplifierInAlGaN/GaN HEMTmillimeter-wavepower amplifiertransmission line transformerwide bandwidth
 Summary | Full Text:PDF(1.6MB)

How to Design an Outphasing Power Amplifier with Digital Predistortion
Shigekazu KIMURA Toshio KAWASAKI 
Publication:   
Publication Date: 2021/10/01
Vol. E104-C  No. 10  pp. 472-479
Type of Manuscript:  INVITED PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
outphasingChireix combinerpower amplifierhigh efficiencypredistortion
 Summary | Full Text:PDF(1.9MB)

Recent Progress in Envelope Tracking Power Amplifiers for Mobile Handset Systems
Kenji MUKAI Hiroshi OKABE Satoshi TANAKA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-C  No. 10  pp. 516-525
Type of Manuscript:  INVITED PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
5G NRmobile handsetpower amplifierenvelope tracking
 Summary | Full Text:PDF(2.2MB)

FOREWORD
Takana KAHO 
Publication:   
Publication Date: 2021/10/01
Vol. E104-C  No. 10  pp. 471-471
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(69.5KB)

High-Power High-Efficiency GaN HEMT Doherty Amplifiers for Base Station Applications
Andrei GREBENNIKOV James WONG Hiroaki DEGUCHI 
Publication:   
Publication Date: 2021/10/01
Vol. E104-C  No. 10  pp. 488-495
Type of Manuscript:  INVITED PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
Doherty amplifierasymmetricinvertedbroadbandGaN HEMTefficiency
 Summary | Full Text:PDF(1.3MB)

Doherty Amplifier Design Based on Asymmetric Configuration Scheme
Ryo ISHIKAWA Yoichiro TAKAYAMA Kazuhiko HONJO 
Publication:   
Publication Date: 2021/10/01
Vol. E104-C  No. 10  pp. 496-505
Type of Manuscript:  INVITED PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
wireless communicationdoherty power amplifierasymmetric configurationGaN HEMT MMIC
 Summary | Full Text:PDF(1.6MB)

A Study on Highly Efficient Dual-Input Power Amplifiers for Large PAPR Signals
Atsushi YAMAOKA Thomas M. HONE Yoshimasa EGASHIRA Keiichi YAMAGUCHI 
Publication:   
Publication Date: 2021/10/01
Vol. E104-C  No. 10  pp. 506-515
Type of Manuscript:  INVITED PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
Doherty amplifieroutphasing amplifierDoherty-outphasing amplifierbase stationsmultiple-input amplifier
 Summary | Full Text:PDF(2MB)

A Spectrum Regeneration and Demodulation Method for Multiple Direct Undersampled Real Signals
Takashi SHIBA Tomoyuki FURUICHI Mizuki MOTOYOSHI Suguru KAMEDA Noriharu SUEMATSU 
Publication:   
Publication Date: 2021/10/01
Vol. E104-B  No. 10  pp. 1260-1267
Type of Manuscript:  Special Section PAPER (Special Section on Dynamic Spectrum Sharing for Future Wireless Systems)
Category: 
Keyword: 
direct undersamplingreal signalsub-nyquistspectrum regenerationcompressed sensingIoTdemodulation
 Summary | Full Text:PDF(3.9MB)

Quantum-Noise-Limited BPSK Transmission Using Gain-Saturated Phase-Sensitive Amplifiers
Kyo INOUE 
Publication:   
Publication Date: 2021/10/01
Vol. E104-B  No. 10  pp. 1268-1276
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission for Communications
Keyword: 
quantum noisephase-sensitive amplifierfiber transmissionbinary phase shift keying
 Summary | Full Text:PDF(577.1KB)

Overloaded Wireless MIMO Switching for Information Exchanging through Untrusted Relay in Secure Wireless Communication
Arata TAKAHASHI Osamu TAKYU Hiroshi FUJIWARA Takeo FUJII Tomoaki OHTSUKI 
Publication:   
Publication Date: 2021/10/01
Vol. E104-B  No. 10  pp. 1249-1259
Type of Manuscript:  Special Section PAPER (Special Section on Dynamic Spectrum Sharing for Future Wireless Systems)
Category: 
Keyword: 
wireless MIMO switchingphysical layer securitymathematical optimization
 Summary | Full Text:PDF(2MB)

Siamese Visual Tracking with Dual-Pipeline Correlated Fusion Network
Ying KANG Cong LIU Ning WANG Dianxi SHI Ning ZHOU Mengmeng LI Yunlong WU 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1702-1711
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
visual trackingsiamese networkdual-pipeline correlationtransient templatefusion networkadaptive selection
 Summary | Full Text:PDF(2.6MB)

Asymmetric Tobit Analysis for Correlation Estimation from Censored Data
HongYuan CAO Tsuyoshi KATO 
Publication:   
Publication Date: 2021/10/01
Vol. E104-D  No. 10  pp. 1632-1639
Type of Manuscript:  PAPER
Category: Artificial Intelligence, Data Mining
Keyword: 
censored dataTobit analysisasymmetric normal distributionEM algorithmnon-negative least square
 Summary | Full Text:PDF(353.6KB)

FOREWORD
Kei UCHIZAWA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1093-1093
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(382.2KB)

A Study on Extreme Wideband 6G Radio Access Technologies for Achieving 100Gbps Data Rate in Higher Frequency Bands
Satoshi SUYAMA Tatsuki OKUYAMA Yoshihisa KISHIYAMA Satoshi NAGATA Takahiro ASAI 
Publication:   
Publication Date: 2021/09/01
Vol. E104-B  No. 9  pp. 992-999
Type of Manuscript:  INVITED PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G Evolution and Beyond)
Category: 
Keyword: 
sixth generation mobile communication systemradio access technologymillimeter waveterahertz waveextreme high data rate
 Summary | Full Text:PDF(2.4MB)

Counting Convex and Non-Convex 4-Holes in a Point Set
Young-Hun SUNG Sang Won BAE 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1094-1100
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Algorithms and Data Structures
Keyword: 
Erdös-Szekeres problemcounting algorithmenumeration algorithmpolygondiscrete and computational geometry
 Summary | Full Text:PDF(729.2KB)

Mitigating Congestion with Explicit Cache Placement Notification for Adaptive Video Streaming over ICN
Rei NAKAGAWA Satoshi OHZAHATA Ryo YAMAMOTO Toshihiko KATO 
Publication:   
Publication Date: 2021/09/01
Vol. E104-D  No. 9  pp. 1406-1419
Type of Manuscript:  PAPER
Category: Information Network
Keyword: 
information centric networkingadaptive video streamingcache managementcongestion controlquality of experience
 Summary | Full Text:PDF(1.2MB)

Max-Min 3-Dispersion Problems
Takashi HORIYAMA Shin-ichi NAKANO Toshiki SAITOH Koki SUETSUGU Akira SUZUKI Ryuhei UEHARA Takeaki UNO Kunihiro WASA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1101-1107
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Algorithms and Data Structures
Keyword: 
algorithmsdispersion problemfacility location
 Summary | Full Text:PDF(1.5MB)

Optic Disc Detection Based on Saliency Detection and Attention Convolutional Neural Networks
Ying WANG Xiaosheng YU Chengdong WU 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1370-1374
Type of Manuscript:  LETTER
Category: Image
Keyword: 
OD detectionsaliency detectionattention mechanismthe dense network
 Summary | Full Text:PDF(2.2MB)

Chromatic Art Gallery Problem with r-Visibility is NP-Complete
Chuzo IWAMOTO Tatsuaki IBUSUKI 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1108-1115
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Algorithms and Data Structures
Keyword: 
chromatic art gallery problemorthogonal polygonsr-visibilityNP-hard
 Summary | Full Text:PDF(1.1MB)

Feature Detection Based on Significancy of Local Features for Image Matching
TaeWoo KIM 
Publication:   
Publication Date: 2021/09/01
Vol. E104-D  No. 9  pp. 1510-1513
Type of Manuscript:  LETTER
Category: Pattern Recognition
Keyword: 
feature detectionsignificancy of local featurefeature correspondenceimage matching
 Summary | Full Text:PDF(1.6MB)

Research on Map Folding with Boundary Order on Simple Fold
Yiyang JIA Jun MITANI Ryuhei UEHARA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1116-1126
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Algorithms and Data Structures
Keyword: 
map foldingsimple foldboundary overlapping order
 Summary | Full Text:PDF(1.3MB)

Sum Rate Maximization for Cooperative NOMA with Hardware Impairments
Xiao-yu WAN Rui-fei CHANG Zheng-qiang WANG Zi-fu FAN 
Publication:   
Publication Date: 2021/09/01
Vol. E104-D  No. 9  pp. 1399-1405
Type of Manuscript:  PAPER
Category: Fundamentals of Information Systems
Keyword: 
cooperative non-orthogonal multiple accesssum rateresource allocationhardware impairmentsinterior-point
 Summary | Full Text:PDF(753.5KB)

Analysis of Lower Bounds for Online Bin Packing with Two Item Sizes
Hiroshi FUJIWARA Ken ENDO Hiroaki YAMAMOTO 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1127-1133
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Algorithms and Data Structures
Keyword: 
bin packing problemonline algorithmcompetitive analysismathematical optimization
 Summary | Full Text:PDF(1.1MB)

Magnetic Josephson Junctions: New Phenomena and Physics with Diluted Alloy, Conventional Ferromagnet, and Multilayer Barriers
Taro YAMASHITA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-C  No. 9  pp. 422-428
Type of Manuscript:  INVITED PAPER (Special Section on Fabrication of Superconductor Devices; Key Technology in Superconductor Electronics)
Category: 
Keyword: 
Josephson effectmagnetismsuperconducting spintronics
 Summary | Full Text:PDF(730.3KB)

Computing the Winner of 2-Player TANHINMIN
Hironori KIYA Katsuki OHTO Hirotaka ONO 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1134-1141
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Algorithms and Data Structures
Keyword: 
combinatorial gamewinning strategybipartite matching
 Summary | Full Text:PDF(1.7MB)

Planarized Nb 4-Layer Fabrication Process for Superconducting Integrated Circuits and Its Fabricated Device Evaluation
Shuichi NAGASAWA Masamitsu TANAKA Naoki TAKEUCHI Yuki YAMANASHI Shigeyuki MIYAJIMA Fumihiro CHINA Taiki YAMAE Koki YAMAZAKI Yuta SOMEI Naonori SEGA Yoshinao MIZUGAKI Hiroaki MYOREN Hirotaka TERAI Mutsuo HIDAKA Nobuyuki YOSHIKAWA Akira FUJIMAKI 
Publication:   
Publication Date: 2021/09/01
Vol. E104-C  No. 9  pp. 435-445
Type of Manuscript:  Special Section PAPER (Special Section on Fabrication of Superconductor Devices; Key Technology in Superconductor Electronics)
Category: 
Keyword: 
superconducting fabrication technologyNb/AlOx/Nb Josephson junctioncaldera planarizationmulti-layer structuresingle-flux quantum logicadiabatic quantum flux parametron logiccell-based designdiagnostic shift-registers
 Summary | Full Text:PDF(4MB)

Automatic Drawing of Complex Metro Maps
Masahiro ONDA Masaki MORIGUCHI Keiko IMAI 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1150-1155
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Graphs and Networks
Keyword: 
information visualizationgraph drawinglabelingmetro map
 Summary | Full Text:PDF(4.6MB)

Broadband High Efficiency Power Amplifier with Compact Matching Network
Weirong WANG Guohua LIU Zhiwei ZHANG Zhiqun CHENG 
Publication:   
Publication Date: 2021/09/01
Vol. E104-C  No. 9  pp. 467-470
Type of Manuscript:  BRIEF PAPER
Category: Electronic Circuits
Keyword: 
compact matching networkbroadbandhigh efficiencypower amplifier
 Summary | Full Text:PDF(796.6KB)

Indifferentiability of SKINNY-HASH Internal Functions
Akinori HOSOYAMADA Tetsu IWATA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1156-1162
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Cryptography and Information Security
Keyword: 
symmetric-key cryptographyprovable securitysponge constructionindifferentiabilitySKINNYSKINNY-HASH
 Summary | Full Text:PDF(950KB)

28 GHz-Band Experimental Trial Using the Shinkansen in Ultra High-Mobility Environment for 5G Evolution
Nobuhide NONAKA Kazushi MURAOKA Tatsuki OKUYAMA Satoshi SUYAMA Yukihiko OKUMURA Takahiro ASAI Yoshihiro MATSUMURA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-B  No. 9  pp. 1000-1008
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G Evolution and Beyond)
Category: 
Keyword: 
5G evolutionmassive MIMOultra high-mobilityhigh speed train28GHz band
 Summary | Full Text:PDF(4.5MB)

Convex Grid Drawings of Plane Graphs with Pentagonal Contours on O(n2) Grids
Kei SATO Kazuyuki MIURA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1142-1149
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Graphs and Networks
Keyword: 
algorithmconvex grid drawinggraph drawingplane graphtriconnected
 Summary | Full Text:PDF(1.2MB)

Performance of Circular 32QAM/64QAM Schemes Using Frequency Domain Equalizer for DFT-Precoded OFDM
Chihiro MORI Miyu NAKABAYASHI Mamoru SAWAHASHI Teruo KAWAMURA Nobuhiko MIKI 
Publication:   
Publication Date: 2021/09/01
Vol. E104-B  No. 9  pp. 1054-1066
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G Evolution and Beyond)
Category: 
Keyword: 
DFT-precoded OFDMcircular QAMcubic metricEuclidean distancefrequency domain equalizer
 Summary | Full Text:PDF(3MB)

Impossibility on the Schnorr Signature from the One-More DL Assumption in the Non-Programmable Random Oracle Model
Masayuki FUKUMITSU Shingo HASEGAWA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1163-1174
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Cryptography and Information Security
Keyword: 
Schnorr signaturenon-programmable random oracle modelimpossibility resultone-more DL assumption
 Summary | Full Text:PDF(766.1KB)

Explanatory Rule Generation for Advanced Driver Assistant Systems
Juha HOVI Ryutaro ICHISE 
Publication:   
Publication Date: 2021/09/01
Vol. E104-D  No. 9  pp. 1427-1439
Type of Manuscript:  PAPER
Category: Artificial Intelligence, Data Mining
Keyword: 
advanced driver assistant systemADASontologyrule-based reasoningdecision-makingknowledge representationmachine learning
 Summary | Full Text:PDF(720.8KB)

Redactable Signature with Compactness from Set-Commitment
Masayuki TEZUKA Keisuke TANAKA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1175-1187
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Cryptography and Information Security
Keyword: 
redactable signature schemecompactnessstoring redactable signature problemset-commitment scheme
 Summary | Full Text:PDF(952KB)

Base Station Cooperation Technologies Using 28GHz-Band Digital Beamforming in High-Mobility Environments
Tatsuki OKUYAMA Nobuhide NONAKA Satoshi SUYAMA Yukihiko OKUMURA Takahiro ASAI 
Publication:   
Publication Date: 2021/09/01
Vol. E104-B  No. 9  pp. 1009-1016
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G Evolution and Beyond)
Category: 
Keyword: 
5G evolutionmillimeter-wavehigh-mobility environmentdigital BFBS cooperation technology
 Summary | Full Text:PDF(3.1MB)

Watermarkable Signature with Computational Function Preserving
Kyohei SUDO Keisuke HARA Masayuki TEZUKA Yusuke YOSHIDA Keisuke TANAKA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1255-1270
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Cryptography and Information Security
Keyword: 
digital watermarkingwatermarkable signaturefunction preserving
 Summary | Full Text:PDF(1.5MB)

Conditional Wasserstein Generative Adversarial Networks for Rebalancing Iris Image Datasets
Yung-Hui LI Muhammad Saqlain ASLAM Latifa Nabila HARFIYA Ching-Chun CHANG 
Publication:   
Publication Date: 2021/09/01
Vol. E104-D  No. 9  pp. 1450-1458
Type of Manuscript:  PAPER
Category: Artificial Intelligence, Data Mining
Keyword: 
deep learninggenerative adversarial networkiris image generationmachine learning neural networkssignal synthesis
 Summary | Full Text:PDF(1MB)

Private Information Retrieval from Coded Storage in the Presence of Omniscient and Limited-Knowledge Byzantine Adversaries
Jun KURIHARA Toru NAKAMURA Ryu WATANABE 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1271-1283
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Coding Theory
Keyword: 
private information retrievalcoded storagecoset distanceByzantine adversary
 Summary | Full Text:PDF(644.1KB)

Indoor Crowd Estimation Scheme Using the Number of Wi-Fi Probe Requests under MAC Address Randomization
Yuki FURUYA Hiromu ASAHINA Masashi YOSHIDA Iwao SASASE 
Publication:   
Publication Date: 2021/09/01
Vol. E104-D  No. 9  pp. 1420-1426
Type of Manuscript:  PAPER
Category: Information Network
Keyword: 
Wi-Fi probe requestMAC address randomizationcrowd estimationbuilding automationautomatic people counting
 Summary | Full Text:PDF(1.8MB)

Update on Analysis of Lesamnta-LW and New PRF Mode LRF
Shoichi HIROSE Yu SASAKI Hirotaka YOSHIDA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1304-1320
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
Lesamnta-LWdifferential cryptanalysisMILPPRFmodesstandard modelideal cipher model
 Summary | Full Text:PDF(1.1MB)

Two-Step User Selection Algorithm in Multi-User Massive MIMO with Hybrid Beamforming for 5G Evolution
Nobuhide NONAKA Satoshi SUYAMA Tatsuki OKUYAMA Kazushi MURAOKA Yukihiko OKUMURA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-B  No. 9  pp. 1089-1096
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G Evolution and Beyond)
Category: 
Keyword: 
5Gmassive-MIMOmulti-user MIMOhybrid beamforminglow-complexity
 Summary | Full Text:PDF(1.3MB)

A Narrowband Active Noise Control System with a Frequency Estimator
Lei WANG Kean CHEN Jian XU 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1284-1292
Type of Manuscript:  PAPER
Category: Noise and Vibration
Keyword: 
narrowband active noise controladaptive notch filterfrequency estimation
 Summary | Full Text:PDF(3.3MB)

Likelihood-Based Metric for Gibbs Sampling Turbo MIMO Detection
Yutaro KOBAYASHI Yukitoshi SANADA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-B  No. 9  pp. 1046-1053
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G Evolution and Beyond)
Category: 
Keyword: 
5Gmassive MIMOturbo detectionGibbs sampling
 Summary | Full Text:PDF(945.8KB)

Convex and Differentiable Formulation for Inverse Problems in Hilbert Spaces with Nonlinear Clipping Effects
Natsuki UENO Shoichi KOYAMA Hiroshi SARUWATARI 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1293-1303
Type of Manuscript:  PAPER
Category: Nonlinear Problems
Keyword: 
inverse problemHilbert spacerepresenter theoremBregman divergenceconvex optimization
 Summary | Full Text:PDF(4.8MB)

FOREWORD
Tomoaki OHTSUKI 
Publication:   
Publication Date: 2021/09/01
Vol. E104-B  No. 9  pp. 983-983
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(132.1KB)

The Weight Distributions of the (256, k) Extended Binary Primitive BCH Codes with k≤71 and k≥187
Toru FUJIWARA Takuya KUSAKA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1321-1328
Type of Manuscript:  PAPER
Category: Coding Theory
Keyword: 
BCH codeweight distributionautomorphism group of codeaffine permutationSIMD
 Summary | Full Text:PDF(847.1KB)

New Almost Periodic Complementary Pairs
Jiali WU Rong LUO Honglei WEI Yanfeng QI 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1361-1364
Type of Manuscript:  LETTER
Category: Communication Theory and Signals
Keyword: 
periodic complementary pair (PCP)almost periodic complementary pair (APCP)periodic autocorrelation
 Summary | Full Text:PDF(259.3KB)

Optical CDMA Scheme Using Generalized Modified Prime Sequence Codes and Extended Bi-Orthogonal Codes
Kyohei ONO Shoichiro YAMASAKI Shinichiro MIYAZAKI Tomoko K. MATSUSHIMA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1329-1338
Type of Manuscript:  PAPER
Category: Spread Spectrum Technologies and Applications
Keyword: 
optical code division multiple accessgeneralized modified prime sequence codeextended bi-orthogonal codemulti-user interferenceatmospheric propagation
 Summary | Full Text:PDF(1.7MB)

Field Evaluation of 5G Low Latency and High Reliability Vehicle-to-Vehicle Direct Communication for Application to Truck Platooning
Manabu MIKAMI Koichi SERIZAWA Kohei MOTO Hitoshi YOSHINO 
Publication:   
Publication Date: 2021/09/01
Vol. E104-B  No. 9  pp. 1026-1034
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G Evolution and Beyond)
Category: 
Keyword: 
5G V2V directlatencyreliabilitytruck platooning
 Summary | Full Text:PDF(9MB)

Effects of Initial Configuration on Attentive Tracking of Moving Objects Whose Depth in 3D Changes
Anis Ur REHMAN Ken KIHARA Sakuichi OHTSUKA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1339-1344
Type of Manuscript:  PAPER
Category: Vision
Keyword: 
multiple object tracking (MOT)attention3D spacedepth perceptioninitial-configuration
 Summary | Full Text:PDF(1.7MB)

Learning Dynamic Systems Using Gaussian Process Regression with Analytic Ordinary Differential Equations as Prior Information
Shengbing TANG Kenji FUJIMOTO Ichiro MARUTA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-D  No. 9  pp. 1440-1449
Type of Manuscript:  PAPER
Category: Artificial Intelligence, Data Mining
Keyword: 
Gaussian process regression (GPR)prior informationanalytic ordinary differential equationsdynamic systems
 Summary | Full Text:PDF(766.5KB)

A Compact Digital Signature Scheme Based on the Module-LWR Problem
Hiroki OKADA Atsushi TAKAYASU Kazuhide FUKUSHIMA Shinsaku KIYOMOTO Tsuyoshi TAKAGI 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1219-1234
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Cryptography and Information Security
Keyword: 
lattice cryptographydigital signatureslearning with rounding
 Summary | Full Text:PDF(2.7MB)

Demonstration Experiment of a 5G Touchless Gate Utilizing Directional Beam and Mobile Edge Computing
Naoto TSUMACHI Masaya SHIBAYAMA Ryuji KOBAYASHI Issei KANNO Yasuhiro SUEGARA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-B  No. 9  pp. 1017-1025
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G Evolution and Beyond)
Category: 
Keyword: 
5Ganalog beam formingpositioningsecurity gatedemonstration experiment
 Summary | Full Text:PDF(2.5MB)

Receiver Selective Opening CCA Secure Public Key Encryption from Various Assumptions
Yi LU Keisuke HARA Keisuke TANAKA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1206-1218
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Cryptography and Information Security
Keyword: 
public key encryptionreceiver selective opening securitychosen ciphertext security
 Summary | Full Text:PDF(2.2MB)

5G Evolution and Beyond
Erik DAHLMAN Gunnar MILDH Stefan PARKVALL Patrik PERSSON Gustav WIKSTRÖM Hideshi MURAI 
Publication:   
Publication Date: 2021/09/01
Vol. E104-B  No. 9  pp. 984-991
Type of Manuscript:  INVITED PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G Evolution and Beyond)
Category: 
Keyword: 
5G evolutionNR evolution6Gfuture wireless accessfuture wireless networks
 Summary | Full Text:PDF(1.7MB)

Pilot De-Contamination by Modified HTRCI with Time-Domain CSI Separation for Two-Cell MIMO Downlink
Kakeru MATSUBARA Shun KUROKI Koki ITO Kazushi SHIMADA Kazuki MARUTA Chang-Jun AHN 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1345-1348
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
channel estimationpilot contaminationHTRCI
 Summary | Full Text:PDF(658.6KB)

Efficient DLT-Based Method for Solving PnP, PnPf, and PnPfr Problems
Gaku NAKANO 
Publication:   
Publication Date: 2021/09/01
Vol. E104-D  No. 9  pp. 1467-1477
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
perspective-n-point (PnP) problemabsolute camera pose estimationdirect linear transform (DLT)focal lengthradial lens distortion
 Summary | Full Text:PDF(1.2MB)

Orthogonal Chaotic Binary Sequences Based on Tent Map and Walsh Functions
Akio TSUNEDA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1349-1352
Type of Manuscript:  LETTER
Category: Nonlinear Problems
Keyword: 
tent maporthogonal sequenceWalsh functionschaotic binary sequencecorrelation functioni.i.d.
 Summary | Full Text:PDF(263.2KB)

Field Trial of Dynamic Mode Switching for 5G New Radio Sidelink Communications towards Application to Truck Platooning
Manabu MIKAMI Kohei MOTO Koichi SERIZAWA Hitoshi YOSHINO 
Publication:   
Publication Date: 2021/09/01
Vol. E104-B  No. 9  pp. 1035-1045
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G Evolution and Beyond)
Category: 
Keyword: 
5GV2V directin-coverage modeout-of-coverage modedynamic mode switching
 Summary | Full Text:PDF(17.6MB)

Efficient Algorithm to Compute Odd-Degree Isogenies Between Montgomery Curves for CSIDH
Kenta KODERA Chen-Mou CHENG Atsuko MIYAJI 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1245-1254
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Cryptography and Information Security
Keyword: 
post-quantum cryptographyisogenyMontgomery curves
 Summary | Full Text:PDF(822.8KB)

Development of Superconducting Devices Supporting Radio Astronomy
Yoshinori UZAWA Matthias KROUG Takafumi KOJIMA Masanori TAKEDA Kazumasa MAKISE Shohei EZAKI Wenlei SHAN Akihira MIYACHI Yasunori FUJII Hirotaka TERAI 
Publication:   
Publication Date: 2021/09/01
Vol. E104-C  No. 9  pp. 411-421
Type of Manuscript:  INVITED PAPER (Special Section on Fabrication of Superconductor Devices; Key Technology in Superconductor Electronics)
Category: 
Keyword: 
radio astronomySIS mixersALMA Band 10widebandmultibeam
 Summary | Full Text:PDF(2MB)

Optimal Basis Matrices of a Visual Cryptography Scheme with Meaningful Shares and Analysis of Its Security
Kyohei SEKINE Hiroki KOGA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1235-1244
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Cryptography and Information Security
Keyword: 
visual cryptographysecret sharing schemeinteger programmingpixel expansion
 Summary | Full Text:PDF(1.7MB)

Compression Scan Strategy For Fast Refresh Rate on SXGA OLEDoS Microdisplay
Aiying GUO Feng RAN Jianhua ZHANG 
Publication:   
Publication Date: 2021/09/01
Vol. E104-C  No. 9  pp. 455-462
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
refresh ratecompression scangray levelSXGAmicro-displayscan serial
 Summary | Full Text:PDF(2.5MB)

A New 10-Variable Cubic Bent Function Outside the Completed Maiorana-McFarland Class
Yanjun LI Haibin KAN Jie PENG Chik How TAN Baixiang LIU 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1353-1356
Type of Manuscript:  LETTER
Category: Cryptography and Information Security
Keyword: 
affine derivativebent functionsthe completed Maiorana-McFarland class
 Summary | Full Text:PDF(171.7KB)

Character Design Generation System Using Multiple Users' Gaze Information
Hiroshi TAKENOUCHI Masataka TOKUMARU 
Publication:   
Publication Date: 2021/09/01
Vol. E104-D  No. 9  pp. 1459-1466
Type of Manuscript:  PAPER
Category: Human-computer Interaction
Keyword: 
interactive evolutionary computationgaze informationmultiple userspartial evaluationcharacter model
 Summary | Full Text:PDF(4.7MB)

Achieving Pairing-Free Aggregate Signatures using Pre-Communication between Signers
Kaoru TAKEMURE Yusuke SAKAI Bagus SANTOSO Goichiro HANAOKA Kazuo OHTA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1188-1205
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Cryptography and Information Security
Keyword: 
aggregate signaturespre-communicationknowledge of secret key modelrogue-key attack
 Summary | Full Text:PDF(1.9MB)

Noisy Localization Annotation Refinement for Object Detection
Jiafeng MAO Qing YU Kiyoharu AIZAWA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-D  No. 9  pp. 1478-1485
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
object detectionrobust learningnoisy localization annotationjoint optimization
 Summary | Full Text:PDF(4MB)

HTTP DDoS Flooding Attack Mitigation in Software-Defined Networking
Sungho PARK Youngjun KIM Hyungoo CHOI Yeunwoong KYUNG Jinwoo PARK 
Publication:   
Publication Date: 2021/09/01
Vol. E104-D  No. 9  pp. 1496-1499
Type of Manuscript:  LETTER
Category: Information Network
Keyword: 
DDoSHTTP floodingnetwork securitySDN
 Summary | Full Text:PDF(532.6KB)

Anomaly Prediction for Wind Turbines Using an Autoencoder Based on Power-Curve Filtering
Masaki TAKANASHI Shu-ichi SATO Kentaro INDO Nozomu NISHIHARA Hiroto ICHIKAWA Hirohisa WATANABE 
Publication:   
Publication Date: 2021/09/01
Vol. E104-D  No. 9  pp. 1506-1509
Type of Manuscript:  LETTER
Category: Artificial Intelligence, Data Mining
Keyword: 
anomaly detectionautoencoderpower-curve filtering
 Summary | Full Text:PDF(659.1KB)

TDM Based Reference Signal Multiplexing for OFDM Using Faster-than-Nyquist Signaling
Tsubasa SHOBUDANI Mamoru SAWAHASHI Yoshihisa KISHIYAMA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-B  No. 9  pp. 1079-1088
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G Evolution and Beyond)
Category: 
Keyword: 
faster-than-NyquistOFDMreference signalchannel estimationmultipath interferencesoft interference canceller
 Summary | Full Text:PDF(2.1MB)

Joint Multi-Layered User Clustering and Scheduling for Ultra-Dense RAN Using Distributed MIMO
Ryo TAKAHASHI Hidenori MATSUO Fumiyuki ADACHI 
Publication:   
Publication Date: 2021/09/01
Vol. E104-B  No. 9  pp. 1097-1109
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G Evolution and Beyond)
Category: 
Keyword: 
radio access networkdistributed MIMOinterference coordinationuser clusteringscheduling
 Summary | Full Text:PDF(4.1MB)

Review of Superconducting Nanostrip Photon Detectors using Various Superconductors
Hiroyuki SHIBATA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-C  No. 9  pp. 429-434
Type of Manuscript:  INVITED PAPER (Special Section on Fabrication of Superconductor Devices; Key Technology in Superconductor Electronics)
Category: 
Keyword: 
single-photon detectorSNSPDSSPDsuperconductor
 Summary | Full Text:PDF(708.7KB)

Face Super-Resolution via Hierarchical Multi-Scale Residual Fusion Network
Yu WANG Tao LU Zhihao WU Yuntao WU Yanduo ZHANG 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1365-1369
Type of Manuscript:  LETTER
Category: Image
Keyword: 
multi-scale residualbottleneck attention moduleface super-resolution
 Summary | Full Text:PDF(2.7MB)

Performance of FDE Using Frequency Domain Despreading and Averaging of Cyclic-Shifted CDM Based Pilot Signals for Single-Carrier LOS-MIMO
Kana AONO Bin ZHENG Mamoru SAWAHASHI Norifumi KAMIYA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-B  No. 9  pp. 1067-1078
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G Evolution and Beyond)
Category: 
Keyword: 
LOS-MIMOpilot signalFDEchannel responseLDPC code
 Summary | Full Text:PDF(4.4MB)

Physical Cell ID Detection Using Joint Estimation of Frequency Offset and SSS Sequence for NR Initial Access
Daisuke INOUE Kyogo OTA Mamoru SAWAHASHI Satoshi NAGATA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-B  No. 9  pp. 1120-1128
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G Evolution and Beyond)
Category: 
Keyword: 
physical-layer cell IDsynchronization signalsNRfrequency offsetbeamforming
 Summary | Full Text:PDF(2.8MB)

Effects of Oscillator Phase Noise on Frequency Delta Sigma Modulators with a High Oversampling Ratio for Sensor Applications
Koichi MAEZAWA Masayuki MORI 
Publication:   
Publication Date: 2021/09/01
Vol. E104-C  No. 9  pp. 463-466
Type of Manuscript:  BRIEF PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
delta sigma modulationfrequency delta sigma modulationphase noisemicrowave oscillator
 Summary | Full Text:PDF(415.8KB)

FOREWORD
Satoshi KOHJIRO 
Publication:   
Publication Date: 2021/09/01
Vol. E104-C  No. 9  pp. 403-404
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(93.4KB)

A Virtual Pre-Connection Scheme Enabling Fast Connection to Local Spot Cell in Private Cellular Network
Kazuo IBUKA Hikaru KAWASAKI Takeshi MATSUMURA Fumihide KOJIMA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-B  No. 9  pp. 1129-1137
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G Evolution and Beyond)
Category: 
Keyword: 
virtual pre-connectionassist cellfast connectionprivate cellular networklocal spot cell
 Summary | Full Text:PDF(4.1MB)

The Explicit Dual of Leander's Monomial Bent Function
Yanjun LI Haibin KAN Jie PENG Chik How TAN Baixiang LIU 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1357-1360
Type of Manuscript:  LETTER
Category: Cryptography and Information Security
Keyword: 
bent functionscompositional inversedualpermutation polynomials
 Summary | Full Text:PDF(186.8KB)

Applying K-SVD Dictionary Learning for EEG Compressed Sensing Framework with Outlier Detection and Independent Component Analysis
Kotaro NAGAI Daisuke KANEMOTO Makoto OHKI 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1375-1378
Type of Manuscript:  LETTER
Category: Biometrics
Keyword: 
EEGcompressed sensingindependent component analysisoutlier detectionK-SVD dictionary learning
 Summary | Full Text:PDF(408.1KB)

Fabrication Process for Superconducting Digital Circuits
Mutsuo HIDAKA Shuichi NAGASAWA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-C  No. 9  pp. 405-410
Type of Manuscript:  INVITED PAPER (Special Section on Fabrication of Superconductor Devices; Key Technology in Superconductor Electronics)
Category: 
Keyword: 
superconducting integrated circuitsJosephson junctionfabrication processcontrollabilityuniformitydefect density
 Summary | Full Text:PDF(1.3MB)

Dynamic Terminal Connection Control Using Multi-Radio Unlicensed Access for 5G Evolution and Beyond
Toshiro NAKAHIRA Tomoki MURAKAMI Hirantha ABEYSEKERA Koichi ISHIHARA Motoharu SASAKI Takatsune MORIYAMA Yasushi TAKATORI 
Publication:   
Publication Date: 2021/09/01
Vol. E104-B  No. 9  pp. 1138-1146
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G Evolution and Beyond)
Category: 
Keyword: 
multi-radioterminal connection controlWLANspatial reusecentralized control
 Summary | Full Text:PDF(1.9MB)

Effects of Input Data Uncertainties on an Air Traffic Control Difficulty Index
Sakae NAGAOKA Mark BROWN Daniel DELAHAYE 
Publication:   
Publication Date: 2021/09/01
Vol. E104-B  No. 9  pp. 1188-1196
Type of Manuscript:  PAPER
Category: Navigation, Guidance and Control Systems
Keyword: 
air traffic controlcomplexityATC difficultyuncertaintysensitivity analysis
 Summary | Full Text:PDF(1.5MB)

Gated Convolutional Neural Networks with Sentence-Related Selection for Distantly Supervised Relation Extraction
Yufeng CHEN Siqi LI Xingya LI Jinan XU Jian LIU 
Publication:   
Publication Date: 2021/09/01
Vol. E104-D  No. 9  pp. 1486-1495
Type of Manuscript:  PAPER
Category: Natural Language Processing
Keyword: 
relation extractiondistant supervisiongated convolutional neural networksmulti-head self-attentionsoft-labelsentence-related selection
 Summary | Full Text:PDF(2.3MB)

Analytical Model of Middlebox Unavailability under Shared Protection Allowing Multiple Backups
Risa FUJITA Fujun HE Eiji OKI 
Publication:   
Publication Date: 2021/09/01
Vol. E104-B  No. 9  pp. 1147-1158
Type of Manuscript:  PAPER
Category: Network
Keyword: 
middleboxesunavailabilitystate transitionqueuing theory
 Summary | Full Text:PDF(1.9MB)

Physical Cell ID Detection Probability Using NB-IoT Synchronization Signals in 28-GHz Band
Daisuke INOUE Kyogo OTA Mamoru SAWAHASHI Satoshi NAGATA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-B  No. 9  pp. 1110-1119
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G Evolution and Beyond)
Category: 
Keyword: 
NB-IoTphysical-layer cell IDsynchronization signalfrequency offset estimationmillimeter wave
 Summary | Full Text:PDF(2.9MB)

Detection Algorithms for FBMC/OQAM Spatial Multiplexing Systems
Kuei-Chiang LAI Chi-Jen CHEN 
Publication:   
Publication Date: 2021/09/01
Vol. E104-B  No. 9  pp. 1172-1187
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
decision feedback equalizerfilter bank multicarrieroffset quadrature amplitude modulationspatial multiplexingMIMO systemsmultipath interference
 Summary | Full Text:PDF(1.3MB)

Design and Fabrication of PTFE Substrate Integrated Waveguide Coupler by SR Direct Etching
Mitsuyoshi KISHIHARA Masaya TAKEUCHI Akinobu YAMAGUCHI Yuichi UTSUMI Isao OHTA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-C  No. 9  pp. 446-454
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
microstructureX-ray lithographydielectric loaded waveguidescouplersmillimeter wave circuits
 Summary | Full Text:PDF(1.7MB)

Enhanced Sender-Based Message Logging for Reducing Forced Checkpointing Overhead in Distributed Systems
Jinho AHN 
Publication:   
Publication Date: 2021/09/01
Vol. E104-D  No. 9  pp. 1500-1505
Type of Manuscript:  LETTER
Category: Dependable Computing
Keyword: 
distributed systemsfault-tolerancerollback-recoverycheckpointingmessage logging
 Summary | Full Text:PDF(654.5KB)

Frequency-Domain Iterative Block DFE Using Erasure Zones and Improved Parameter Estimation
Jian-Yu PAN Kuei-Chiang LAI Yi-Ting LI Szu-Lin SU 
Publication:   
Publication Date: 2021/09/01
Vol. E104-B  No. 9  pp. 1159-1171
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
single-carrier frequency-domain equalizationdecision feedback equalizationinter-symbol interferenceerasureparameter estimation
 Summary | Full Text:PDF(1.9MB)

Construction of Ternary Bent Functions by FFT-Like Permutation Algorithms
Radomir S. STANKOVIĆ Milena STANKOVIĆ Claudio MORAGA Jaakko T. ASTOLA 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1092-1102
Type of Manuscript:  Special Section PAPER (Special Section on Multiple-Valued Logic and VLSI Computing)
Category: Logic Design
Keyword: 
ternary functionsbent functionsVilenkin-Chrestenson transformfast Fourier transformpermutation matrices
 Summary | Full Text:PDF(681KB)

The Fractional-N All Digital Frequency Locked Loop with Robustness for PVT Variation and Its Application for the Microcontroller Unit
Ryoichi MIYAUCHI Akio YOSHIDA Shuya NAKANO Hiroki TAMURA Koichi TANNO Yutaka FUKUCHI Yukio KAWAMURA Yuki KODAMA Yuichi SEKIYA 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1146-1153
Type of Manuscript:  Special Section PAPER (Special Section on Multiple-Valued Logic and VLSI Computing)
Category: Circuit Technologies
Keyword: 
all digital frequency locked loopfractional-NPVT variationmicrocontroller unit
 Summary | Full Text:PDF(1.7MB)

A ΔΣ-Modulation Feedforward Network for Non-Binary Analog-to-Digital Converters
Takao WAHO Tomoaki KOIZUMI Hitoshi HAYASHI 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1130-1137
Type of Manuscript:  Special Section PAPER (Special Section on Multiple-Valued Logic and VLSI Computing)
Category: Circuit Technologies
Keyword: 
delta-sigma modulatorA/D converterartificial neural networkSNRnoise shapingnon-binary
 Summary | Full Text:PDF(814.3KB)

PAM-4 Eye-Opening Monitor Technique Using Gaussian Mixture Model for Adaptive Equalization
Yosuke IIJIMA Keigo TAYA Yasushi YUMINAKA 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1138-1145
Type of Manuscript:  Special Section PAPER (Special Section on Multiple-Valued Logic and VLSI Computing)
Category: Circuit Technologies
Keyword: 
multi-valued signalingPAM-4eye-opening monitormachine learningGaussian mixture model
 Summary | Full Text:PDF(4.1MB)

A Business Service Model of Smart Home Appliances Participating in the Peak Shaving and Valley Filling Based on Cloud Platform
Mingrui ZHU Yangjian JI Wenjun JU Xinjian GU Chao LIU Zhifang XU 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1185-1194
Type of Manuscript:  Special Section PAPER (Special Section on Computational Intelligence and Big Data for Scientific and Technological Resources and Services)
Category: 
Keyword: 
power systempeak shaving and valley fillinghome appliance business resourcesbusiness modelload aggregator
 Summary | Full Text:PDF(3.7MB)

Performance Evaluation of Online Machine Learning Models Based on Cyclic Dynamic and Feature-Adaptive Time Series
Ahmed Salih AL-KHALEEFA Rosilah HASSAN Mohd Riduan AHMAD Faizan QAMAR Zheng WEN Azana Hafizah MOHD AMAN Keping YU 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1172-1184
Type of Manuscript:  Special Section PAPER (Special Section on Computational Intelligence and Big Data for Scientific and Technological Resources and Services)
Category: 
Keyword: 
online learningindoor positioning systemcyclic dynamicfeature-adaptive time seriesmachine learning
 Summary | Full Text:PDF(909.4KB)

On Measurement System for Frequency of Uterine Peristalsis
Ryosuke NISHIHARA Hidehiko MATSUBAYASHI Tomomoto ISHIKAWA Kentaro MORI Yutaka HATA 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1154-1160
Type of Manuscript:  Special Section PAPER (Special Section on Multiple-Valued Logic and VLSI Computing)
Category: Medical Applications
Keyword: 
ultrasound imagesfemale infertilityfrequency of uterine peristalsisFourier transformFuzzy logic
 Summary | Full Text:PDF(2MB)

A Hybrid Approach for Paper Recommendation
Ying KANG Aiqin HOU Zimin ZHAO Daguang GAN 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1222-1231
Type of Manuscript:  Special Section PAPER (Special Section on Computational Intelligence and Big Data for Scientific and Technological Resources and Services)
Category: 
Keyword: 
paper recommendationcitation graphhybrid model
 Summary | Full Text:PDF(2MB)

Toward Human-Friendly ASR Systems: Recovering Capitalization and Punctuation for Vietnamese Text
Thi Thu HIEN NGUYEN Thai BINH NGUYEN Ngoc PHUONG PHAM Quoc TRUONG DO Tu LUC LE Chi MAI LUONG 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1195-1203
Type of Manuscript:  Special Section PAPER (Special Section on Computational Intelligence and Big Data for Scientific and Technological Resources and Services)
Category: 
Keyword: 
capitalizationpunctuationautomatic speech recognition
 Summary | Full Text:PDF(1.5MB)

Cross-Domain Energy Consumption Prediction via ED-LSTM Networks
Ye TAO Fang KONG Wenjun JU Hui LI Ruichun HOU 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1204-1213
Type of Manuscript:  Special Section PAPER (Special Section on Computational Intelligence and Big Data for Scientific and Technological Resources and Services)
Category: 
Keyword: 
cross-domain feature fusionlong short-term memoryencoder-decodermultistep electricity load forecast
 Summary | Full Text:PDF(1.3MB)

FOREWORD
Chase WU 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1161-1162
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(61KB)

Extracting Knowledge Entities from Sci-Tech Intelligence Resources Based on BiLSTM and Conditional Random Field
Weizhi LIAO Mingtong HUANG Pan MA Yu WANG 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1214-1221
Type of Manuscript:  Special Section PAPER (Special Section on Computational Intelligence and Big Data for Scientific and Technological Resources and Services)
Category: 
Keyword: 
sci-tech intelligence resourcesknowledge entitysequence labelingBiLSTM-CRF
 Summary | Full Text:PDF(1.6MB)

SP-DARTS: Synchronous Progressive Differentiable Neural Architecture Search for Image Classification
Zimin ZHAO Ying KANG Aiqin HOU Daguang GAN 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1232-1238
Type of Manuscript:  Special Section PAPER (Special Section on Computational Intelligence and Big Data for Scientific and Technological Resources and Services)
Category: 
Keyword: 
NASDARTSskip operationsynchronous progressiveimage classification
 Summary | Full Text:PDF(1.3MB)

CJAM: Convolutional Neural Network Joint Attention Mechanism in Gait Recognition
Pengtao JIA Qi ZHAO Boze LI Jing ZHANG 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1239-1249
Type of Manuscript:  Special Section PAPER (Special Section on Computational Intelligence and Big Data for Scientific and Technological Resources and Services)
Category: 
Keyword: 
image classificationgait recognitiondeep learningconvolutional neural networksattention mechanism
 Summary | Full Text:PDF(2.2MB)

Energy-Efficient ECG Signals Outlier Detection Hardware Using a Sparse Robust Deep Autoencoder
Naoto SOGA Shimpei SATO Hiroki NAKAHARA 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1121-1129
Type of Manuscript:  Special Section PAPER (Special Section on Multiple-Valued Logic and VLSI Computing)
Category: Logic Design
Keyword: 
FPGAautoencoderoutlier detectionunsupervised training
 Summary | Full Text:PDF(698.5KB)

An Improved Method of LIME for a Low-Light Image Containing Bright Regions
Seiichi KOJIMA Noriaki SUETAKE 
Publication:   
Publication Date: 2021/08/01
Vol. E104-A  No. 8  pp. 1088-1092
Type of Manuscript:  LETTER
Category: Image
Keyword: 
low-light image enhancementalpha blendingbox filter
 Summary | Full Text:PDF(13.5MB)

Heuristic Approach to Distributed Server Allocation with Preventive Start-Time Optimization against Server Failure
Souhei YANASE Shuto MASUDA Fujun HE Akio KAWABATA Eiji OKI 
Publication:   
Publication Date: 2021/08/01
Vol. E104-B  No. 8  pp. 942-950
Type of Manuscript:  PAPER
Category: Network
Keyword: 
server allocation problempreventive start-time optimizationserver failuresimulated annealing
 Summary | Full Text:PDF(1.8MB)

Capsule Network with Shortcut Routing
Thanh Vu DANG Hoang Trong VO Gwang Hyun YU Jin Young KIM 
Publication:   
Publication Date: 2021/08/01
Vol. E104-A  No. 8  pp. 1043-1050
Type of Manuscript:  PAPER
Category: Image
Keyword: 
capsule networkattention mechanismdeep learningfuzzy clustering
 Summary | Full Text:PDF(814.2KB)

An Efficient Aircraft Boarding Strategy Considering Implementation
Kenji UEHARA Kunihiko HIRAISHI Kokolo IKEDA 
Publication:   
Publication Date: 2021/08/01
Vol. E104-A  No. 8  pp. 1051-1058
Type of Manuscript:  PAPER
Category: Mathematical Systems Science
Keyword: 
aircraft boardingdiscrete-event simulationoptimizationperformance evaluation
 Summary | Full Text:PDF(2.8MB)

Classification Functions for Handwritten Digit Recognition
Tsutomu SASAO Yuto HORIKAWA Yukihiro IGUCHI 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1076-1082
Type of Manuscript:  Special Section PAPER (Special Section on Multiple-Valued Logic and VLSI Computing)
Category: Logic Design
Keyword: 
linear decompositionpartially defined functionsupport minimizationclassificationdigit recognitionMNISTindex generation functionmachine learningneural networkensemble method
 Summary | Full Text:PDF(600.9KB)

A Fast Algorithm for Liquid Voting on Blockchain
Xiaoping ZHOU Peng LI Yulong ZENG Xuepeng FAN Peng LIU Toshiaki MIYAZAKI 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1163-1171
Type of Manuscript:  Special Section PAPER (Special Section on Computational Intelligence and Big Data for Scientific and Technological Resources and Services)
Category: 
Keyword: 
liquid votingblockchainsmart contractgas limitMerkle tree
 Summary | Full Text:PDF(532.3KB)

Collaborative Filtering Auto-Encoders for Technical Patent Recommending
Wenlei BAI Jun GUO Xueqing ZHANG Baoying LIU Daguang GAN 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1258-1265
Type of Manuscript:  Special Section PAPER (Special Section on Computational Intelligence and Big Data for Scientific and Technological Resources and Services)
Category: 
Keyword: 
recommender systemscollaborative filteringAuto-Encodersitem similaritypatent recommendation
 Summary | Full Text:PDF(701.7KB)

Improved Hybrid Feature Selection Framework
Weizhi LIAO Guanglei YE Weijun YAN Yaheng MA Dongzhou ZUO 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1266-1273
Type of Manuscript:  Special Section PAPER (Special Section on Computational Intelligence and Big Data for Scientific and Technological Resources and Services)
Category: 
Keyword: 
machine learningfeature selectionhybridfilter modewrapper mode
 Summary | Full Text:PDF(1.2MB)

Matrix Factorization Based Recommendation Algorithm for Sharing Patent Resource
Xueqing ZHANG Xiaoxia LIU Jun GUO Wenlei BAI Daguang GAN 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1250-1257
Type of Manuscript:  Special Section PAPER (Special Section on Computational Intelligence and Big Data for Scientific and Technological Resources and Services)
Category: 
Keyword: 
scientific and technological resources recommendationrecommendation systemsmatrix factorizationpotential similarity matrixdata sparseness
 Summary | Full Text:PDF(1.1MB)

Out-of-Bound Signal Demapping for Lattice Reduction-Aided Iterative Linear Receivers in Overloaded MIMO Systems
Takuya FUJIWARA Satoshi DENNO Yafei HOU 
Publication:   
Publication Date: 2021/08/01
Vol. E104-B  No. 8  pp. 974-982
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
overloaded MIMOlinear detectioniterative decodinghigher-order QAMsmapping/demapping
 Summary | Full Text:PDF(1.2MB)

Transmission Loss of Optical Fibers; Achievements in Half a Century
Hiroo KANAMORI 
Publication:   
Publication Date: 2021/08/01
Vol. E104-B  No. 8  pp. 922-933
Type of Manuscript:  INVITED PAPER
Category: Optical Fiber for Communications
Keyword: 
optical fibertransmission lossRayleigh scatteringfictive temperatureultra-low-loss
 Summary | Full Text:PDF(1.3MB)

Consumption Pricing Mechanism of Scientific and Technological Resources Based on Multi-Agent Game Theory: An Interactive Analytical Model and Experimental Validation
Fanying ZHENG Fu GU Yangjian JI Jianfeng GUO Xinjian GU Jin ZHANG 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1292-1301
Type of Manuscript:  Special Section PAPER (Special Section on Computational Intelligence and Big Data for Scientific and Technological Resources and Services)
Category: 
Keyword: 
consumption pricing mechanismscientific and technological resourcesmulti-agent game theoryinteractive analysislink analysis
 Summary | Full Text:PDF(1.3MB)

Patent One-Stop Service Business Model Based on Scientific and Technological Resource Bundle
Fanying ZHENG Yangjian JI Fu GU Xinjian GU Jin ZHANG 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1281-1291
Type of Manuscript:  Special Section PAPER (Special Section on Computational Intelligence and Big Data for Scientific and Technological Resources and Services)
Category: 
Keyword: 
scientific and technological resource bundleone-stop servicepatent servicebusiness model
 Summary | Full Text:PDF(2MB)

Two-Stage Fine-Grained Text-Level Sentiment Analysis Based on Syntactic Rule Matching and Deep Semantic
Weizhi LIAO Yaheng MA Yiling CAO Guanglei YE Dongzhou ZUO 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1274-1280
Type of Manuscript:  Special Section PAPER (Special Section on Computational Intelligence and Big Data for Scientific and Technological Resources and Services)
Category: 
Keyword: 
text-level sentiment analysisfine-grained sentiment elementssyntactic rule matchingdeep semanticslexical separation distance
 Summary | Full Text:PDF(1.2MB)

Scientific and Technological Resource Sharing Model Based on Few-Shot Relational Learning
Yangshengyan LIU Fu GU Yangjian JI Yijie WU Jianfeng GUO Xinjian GU Jin ZHANG 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1302-1312
Type of Manuscript:  Special Section PAPER (Special Section on Computational Intelligence and Big Data for Scientific and Technological Resources and Services)
Category: 
Keyword: 
resource sharingscientific and technological resourceresource graphfew-shot relational learning
 Summary | Full Text:PDF(1.7MB)

Logarithmic Regret for Distributed Online Subgradient Method over Unbalanced Directed Networks
Makoto YAMASHITA Naoki HAYASHI Takeshi HATANAKA Shigemasa TAKAI 
Publication:   
Publication Date: 2021/08/01
Vol. E104-A  No. 8  pp. 1019-1026
Type of Manuscript:  PAPER
Category: Systems and Control
Keyword: 
online optimizationmulti-agent systemcooperative controlunbalanced directed network
 Summary | Full Text:PDF(2.4MB)

Unified Likelihood Ratio Estimation for High- to Zero-Frequency N-Grams
Masato KIKUCHI Kento KAWAKAMI Kazuho WATANABE Mitsuo YOSHIDA Kyoji UMEMURA 
Publication:   
Publication Date: 2021/08/01
Vol. E104-A  No. 8  pp. 1059-1074
Type of Manuscript:  PAPER
Category: Mathematical Systems Science
Keyword: 
likelihood ratiothe low-frequency problemthe zero-frequency problemuLSIF
 Summary | Full Text:PDF(3.5MB)

Tight Upper Bound on the Bit Error Rate of Convolutional Codes over Correlated Nakagami-m Fading Channels
Seongah JEONG Jinkyu KANG Hoojin LEE 
Publication:   
Publication Date: 2021/08/01
Vol. E104-A  No. 8  pp. 1080-1083
Type of Manuscript:  LETTER
Category: Communication Theory and Signals
Keyword: 
asymptotic analysisconvolutional codeslinear block codesbit error rate (BER)pairwise error event probabilities (PEEP)Nakagami-m fading channelsperformance analysis
 Summary | Full Text:PDF(322.1KB)

Optimization and Combination of Scientific and Technological Resource Services Based on Multi-Community Collaborative Search
Yida HONG Yanlei YIN Cheng GUO Xiaobao LIU 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1313-1320
Type of Manuscript:  Special Section PAPER (Special Section on Computational Intelligence and Big Data for Scientific and Technological Resources and Services)
Category: 
Keyword: 
scientific and technological servicesevaluative systemhybrid optimal combined modelmulti-community collaborative searchmaximum efficiency of combination
 Summary | Full Text:PDF(1.8MB)

Mutual Information Approximation Based Polar Code Design for 4Tb/in2 2D-ISI Channels
Lingjun KONG Haiyang LIU Jin TIAN Shunwai ZHANG Shengmei ZHAO Yi FANG 
Publication:   
Publication Date: 2021/08/01
Vol. E104-A  No. 8  pp. 1075-1079
Type of Manuscript:  LETTER
Category: Coding Theory
Keyword: 
polar codetwo-dimensional (2D) inter-symbol interference (ISI) channelsbit-patterned media recording (BPMR)two-dimensional magnetic recording (TDMR)
 Summary | Full Text:PDF(459.8KB)

A Statistical Trust for Detecting Malicious Nodes in IoT Sensor Networks
Fang WANG Zhe WEI 
Publication:   
Publication Date: 2021/08/01
Vol. E104-A  No. 8  pp. 1084-1087
Type of Manuscript:  LETTER
Category: Mobile Information Network and Personal Communications
Keyword: 
malicious nodestrust computingChebyshev polynomialstime series
 Summary | Full Text:PDF(352.9KB)

Hybrid Electrical/Optical Switch Architectures for Training Distributed Deep Learning in Large-Scale
Thao-Nguyen TRUONG Ryousei TAKANO 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1332-1339
Type of Manuscript:  PAPER
Category: Information Network
Keyword: 
distributed deep learninghigh performance computing (HPC)optical circuit switchinghybrid switching
 Summary | Full Text:PDF(1MB)

Minimax Design of Sparse IIR Filters Using Sparse Linear Programming
Masayoshi NAKAMOTO Naoyuki AIKAWA 
Publication:   
Publication Date: 2021/08/01
Vol. E104-A  No. 8  pp. 1006-1018
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
infinite impulse response (IIR) filterssparse filterzero coefficientssparse linear programmingminimax design
 Summary | Full Text:PDF(1.3MB)

Extended-Domain Golomb Code and Symmetry of Relative Redundancy
Ryosuke SUGIURA Yutaka KAMAMOTO Takehiro MORIYA 
Publication:   
Publication Date: 2021/08/01
Vol. E104-A  No. 8  pp. 1033-1042
Type of Manuscript:  PAPER
Category: Coding Theory
Keyword: 
data compressionFV codesGolomb codeRice codeGolomb-Rice codeAIFV codesrun-length codes
 Summary | Full Text:PDF(2MB)

Two New Families of Asymptotically Optimal Codebooks from Characters of Cyclic Groups
Yang YAN Yao YAO Zhi CHEN Qiuyan WANG 
Publication:   
Publication Date: 2021/08/01
Vol. E104-A  No. 8  pp. 1027-1032
Type of Manuscript:  PAPER
Category: Information Theory
Keyword: 
code division multiple accesscodebooksasymptotic optimalityWelch bound
 Summary | Full Text:PDF(661.3KB)

Bandwidth Efficient IoT Traffic Shaping Technique for Protecting Smart Home Privacy from Data Breaches in Wireless LAN
Kiana DZIUBINSKI Masaki BANDAI 
Publication:   
Publication Date: 2021/08/01
Vol. E104-B  No. 8  pp. 961-973
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
IoTprivacysmart hometraffic shapingWLAN
 Summary | Full Text:PDF(5.9MB)

Spatial Degrees of Freedom Exploration and Analog Beamforming Designs for Signature Spatial Modulation
Yuwen CAO Tomoaki OHTSUKI 
Publication:   
Publication Date: 2021/08/01
Vol. E104-B  No. 8  pp. 934-941
Type of Manuscript:  PAPER
Category: Fundamental Theories for Communications
Keyword: 
spatial degrees of freedom (DoF)signal- and spatial-constellationsanalog shift weightingsignature spatial modulation (SSM)analog beamforming
 Summary | Full Text:PDF(1MB)

Creation of Temporal Model for Prioritized Transmission in Predictive Spatial-Monitoring Using Machine Learning
Keiichiro SATO Ryoichi SHINKUMA Takehiro SATO Eiji OKI Takanori IWAI Takeo ONISHI Takahiro NOBUKIYO Dai KANETOMO Kozo SATODA 
Publication:   
Publication Date: 2021/08/01
Vol. E104-B  No. 8  pp. 951-960
Type of Manuscript:  PAPER
Category: Network
Keyword: 
predictive spatial-monitoringmachine learningfeature selectiontemporal model
 Summary | Full Text:PDF(2.8MB)

FCA-BNN: Flexible and Configurable Accelerator for Binarized Neural Networks on FPGA
Jiabao GAO Yuchen YAO Zhengjie LI Jinmei LAI 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1367-1377
Type of Manuscript:  PAPER
Category: Biocybernetics, Neurocomputing
Keyword: 
BNNFPGA acceleratorshardware-oriented optimal formulasanalytical modemapping flow
 Summary | Full Text:PDF(1.7MB)

How Centrality of Driver Nodes Affects Controllability of Complex Networks
Guang-Hua SONG Xin-Feng LI Zhe-Ming LU 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1340-1348
Type of Manuscript:  PAPER
Category: Artificial Intelligence, Data Mining
Keyword: 
complex networksnetwork controllabilitydriver nodesnodal centrality
 Summary | Full Text:PDF(1MB)

DCUIP Poisoning Attack in Intel x86 Processors
Youngjoo SHIN 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1386-1390
Type of Manuscript:  LETTER
Category: Dependable Computing
Keyword: 
hardware prefetchingIntel DCUIP prefetchermicroarchitectural side-channel attackpoisoning attack
 Summary | Full Text:PDF(321.5KB)

Design of Diplexer Using Surface Acoustic Wave and Multilayer Ceramic Filters with Controllable Transmission Zero
Shinpei OSHIMA Hiroto MARUYAMA 
Publication:   
Publication Date: 2021/08/01
Vol. E104-C  No. 8  pp. 370-378
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
transmission zerodiplexermatching circuitslumped elements
 Summary | Full Text:PDF(1.5MB)

An Efficient Deep Learning Based Coarse-to-Fine Cephalometric Landmark Detection Method
Yu SONG Xu QIAO Yutaro IWAMOTO Yen-Wei CHEN Yili CHEN 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1359-1366
Type of Manuscript:  PAPER
Category: Image Processing and Video Processing
Keyword: 
cephalometric landmarkx-raydeep learningregistrationdeformable transformation
 Summary | Full Text:PDF(1.5MB)

Video Inpainting by Frame Alignment with Deformable Convolution
Yusuke HARA Xueting WANG Toshihiko YAMASAKI 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1349-1358
Type of Manuscript:  PAPER
Category: Image Processing and Video Processing
Keyword: 
video inpaintingdeformable convolutiondeep learningcomputer vision
 Summary | Full Text:PDF(2.5MB)

Design and Investigation of Silicon Gate-All-Around Junctionless Field-Effect Transistor Using a Step Thickness Gate Oxide
Wenlun ZHANG Baokang WANG 
Publication:   
Publication Date: 2021/08/01
Vol. E104-C  No. 8  pp. 379-385
Type of Manuscript:  PAPER
Category: Semiconductor Materials and Devices
Keyword: 
JLFETTCADGIDLBTBTGAA transistor
 Summary | Full Text:PDF(2.9MB)

Single-Mode Condition of Chalcogenide Glass Channel Waveguides for Integrated Optical Devices Operated across the Astronomical N-Band
Takashi YASUI Jun-ichiro SUGISAKA Koichi HIRAYAMA 
Publication:   
Publication Date: 2021/08/01
Vol. E104-C  No. 8  pp. 386-389
Type of Manuscript:  BRIEF PAPER
Category: Optoelectronics
Keyword: 
optical waveguidesmid-infrared spectral rangechalcogenide glassastrophotonicsfinite-element method
 Summary | Full Text:PDF(278KB)

Generation of Large-Amplitude Pulses through the Pulse Shortening Superposed in Series-Connected Tunnel-Diode Transmission Line
Koichi NARAHARA 
Publication:   
Publication Date: 2021/08/01
Vol. E104-C  No. 8  pp. 394-397
Type of Manuscript:  BRIEF PAPER
Category: Electronic Circuits
Keyword: 
pulse generationtunnel diodesnonlinear transmission linesfrequency combresonant-tunneling diodes
 Summary | Full Text:PDF(3.1MB)

Preparation Copper Sulfide Nanoparticles by Laser Ablation in Liquid and Optical Properties
Kazuki ISODA Ryuga YANAGIHARA Yoshitaka KITAMOTO Masahiko HARA Hiroyuki WADA 
Publication:   
Publication Date: 2021/08/01
Vol. E104-C  No. 8  pp. 390-393
Type of Manuscript:  BRIEF PAPER
Category: Ultrasonic Electronics
Keyword: 
photoacoustic imaginglaser processsemiconductor nanoparticle and quantum dot
 Summary | Full Text:PDF(740.7KB)

Impedance Matching in High-Power Resonant-Tunneling-Diode Terahertz Oscillators Integrated with Rectangular-Cavity Resonator
Feifan HAN Kazunori KOBAYASHI Safumi SUZUKI Hiroki TANAKA Hidenari FUJIKATA Masahiro ASADA 
Publication:   
Publication Date: 2021/08/01
Vol. E104-C  No. 8  pp. 398-402
Type of Manuscript:  BRIEF PAPER
Category: Semiconductor Materials and Devices
Keyword: 
terahertz oscillatorsresonant tunneling dioderectangular cavity resonatorimpedance matching
 Summary | Full Text:PDF(679.5KB)

Improvement of CT Reconstruction Using Scattered X-Rays
Shota ITO Naohiro TODA 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1378-1385
Type of Manuscript:  PAPER
Category: Biological Engineering
Keyword: 
CT reconstructionscattered X-raysneural networkMonte Carlo simulation
 Summary | Full Text:PDF(1.1MB)

FOREWORD
Yutaka HATA 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1067-1067
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(59.4KB)

Realization of Multi-Terminal Universal Interconnection Networks Using Contact Switches
Tsutomu SASAO Takashi MATSUBARA Katsufumi TSUJI Yoshiaki KOGA 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1068-1075
Type of Manuscript:  Special Section PAPER (Special Section on Multiple-Valued Logic and VLSI Computing)
Category: Logic Design
Keyword: 
interconnection networkpartition numberBell numbercomplexity of circuitscontact switchmulti-position switchuniversal networkcontact network
 Summary | Full Text:PDF(1.7MB)

Nonvolatile Field-Programmable Gate Array Using a Standard-Cell-Based Design Flow
Daisuke SUZUKI Takahiro HANYU 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1111-1120
Type of Manuscript:  Special Section PAPER (Special Section on Multiple-Valued Logic and VLSI Computing)
Category: Logic Design
Keyword: 
FPGAnonvolatile logiclogic synthesishardware description languagestandard-cell-based design
 Summary | Full Text:PDF(6MB)

A Two-Stage Attention Based Modality Fusion Framework for Multi-Modal Speech Emotion Recognition
Dongni HU Chengxin CHEN Pengyuan ZHANG Junfeng LI Yonghong YAN Qingwei ZHAO 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1391-1394
Type of Manuscript:  LETTER
Category: Human-computer Interaction
Keyword: 
speech emotion recognitionmulti-modal fusionattention mechanismend-to-end
 Summary | Full Text:PDF(220.4KB)

Binary and Rotational Coded-Aperture Imaging for Dynamic Light Fields
Kohei SAKAI Keita TAKAHASHI Toshiaki FUJII 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1395-1398
Type of Manuscript:  LETTER
Category: Image Recognition, Computer Vision
Keyword: 
light fieldCNNcoded aperture camera
 Summary | Full Text:PDF(3.3MB)

Construction of Multiple-Valued Bent Functions Using Subsets of Coefficients in GF and RMF Domains
Milo&scaron M. RADMANOVIĆ Radomir S. STANKOVIĆ 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1103-1110
Type of Manuscript:  Special Section PAPER (Special Section on Multiple-Valued Logic and VLSI Computing)
Category: Logic Design
Keyword: 
multiple-valued functionscryptographybent functionsGalois field and Reed-Muller-Fourier domainconstruction
 Summary | Full Text:PDF(443.9KB)

An Algebraic Approach to Verifying Galois-Field Arithmetic Circuits with Multiple-Valued Characteristics
Akira ITO Rei UENO Naofumi HOMMA 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1083-1091
Type of Manuscript:  Special Section PAPER (Special Section on Multiple-Valued Logic and VLSI Computing)
Category: Logic Design
Keyword: 
decision diagramsformal verificationGalois-field arithmetic circuitsmultiple-valued logic
 Summary | Full Text:PDF(286.9KB)

Remote Dynamic Reconfiguration of a Multi-FPGA System FiC (Flow-in-Cloud)
Kazuei HIRONAKA Kensuke IIZUKA Miho YAMAKURA Akram BEN AHMED Hideharu AMANO 
Publication:   
Publication Date: 2021/08/01
Vol. E104-D  No. 8  pp. 1321-1331
Type of Manuscript:  PAPER
Category: Computer System
Keyword: 
multi FPGA systemFPGA in cloud computinginterconnection networkswarehouse-scale computingdata centers
 Summary | Full Text:PDF(5.7MB)

Parameters Estimation of Impulse Noise for Channel Coded Systems over Fading Channels
Chun-Yin CHEN Mao-Ching CHIU 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 903-912
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
impulse noiseparameter estimationexpectation-maximization algorithmlow-density parity-check code
 Summary | Full Text:PDF(2MB)

Efficient Data Diffusion and Elimination Control Method for Spatio-Temporal Data Retention System
Shumpei YAMASAKI Daiki NOBAYASHI Kazuya TSUKAMOTO Takeshi IKENAGA Myung J. LEE 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 805-816
Type of Manuscript:  Special Section PAPER (Special Section on Future Directions of Research and Development on Communication Quality)
Category: 
Keyword: 
STDdata retentiondiffusion and eliminationdynamic transmission interval control
 Summary | Full Text:PDF(3MB)

Graph Laplacian-Based Sequential Smooth Estimator for Three-Dimensional RSS Map
Takahiro MATSUDA Fumie ONO Shinsuke HARA 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 738-748
Type of Manuscript:  Special Section PAPER (Special Section on Future Directions of Research and Development on Communication Quality)
Category: 
Keyword: 
unmanned aerial vehiclereceived signal strengthgraph Laplacianleast square estimationsequential estimation
 Summary | Full Text:PDF(4.4MB)

Encrypted Traffic Categorization Based on Flow Byte Sequence Convolution Aggregation Network
Lin YAN Mingyong ZENG Shuai REN Zhangkai LUO 
Publication:   
Publication Date: 2021/07/01
Vol. E104-A  No. 7  pp. 996-999
Type of Manuscript:  LETTER
Category: Mobile Information Network and Personal Communications
Keyword: 
traffic categorizationsequence modelingdilated convolutionresidual connection
 Summary | Full Text:PDF(386.7KB)

Routing and Capacity Optimization Based on Estimated Latent OD Traffic Demand
Takumi UCHIDA Keisuke ISHIBASHI Kensuke FUKUDA 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 781-790
Type of Manuscript:  Special Section PAPER (Special Section on Future Directions of Research and Development on Communication Quality)
Category: 
Keyword: 
capacity provisioningtraffic engineeringestimation
 Summary | Full Text:PDF(1.8MB)

Color Conversion Formula with Saturation Correction from HSI Color Space to RGB Color Space
Minako KAMIYAMA Akira TAGUCHI 
Publication:   
Publication Date: 2021/07/01
Vol. E104-A  No. 7  pp. 1000-1005
Type of Manuscript:  LETTER
Category: Image
Keyword: 
RGB color modelHSI color modelsaturation correctiongamut
 Summary | Full Text:PDF(1.1MB)

Optimal and Asymptotically Optimal Codebooks as Regards the Levenshtein Bounds
Hong-Li WANG Li-Li FAN Gang WANG Lin-Zhi SHEN 
Publication:   
Publication Date: 2021/07/01
Vol. E104-A  No. 7  pp. 979-983
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
codebooksmaximal cross-correlation amplitudeLevenshtein bounds(asymptotic) optimalityMUBAMUB
 Summary | Full Text:PDF(173.7KB)

A Global Deep Reranking Model for Semantic Role Classification
Haitong YANG Guangyou ZHOU Tingting HE Maoxi LI 
Publication:   
Publication Date: 2021/07/01
Vol. E104-D  No. 7  pp. 1063-1066
Type of Manuscript:  LETTER
Category: Natural Language Processing
Keyword: 
deep rerankingrepresentation vectorjoint structuredependencies
 Summary | Full Text:PDF(370.6KB)

Traffic Reduction Technologies and Data Aggregation Control to Minimize Latency in IoT Systems
Hideaki YOSHINO Kenko OTA Takefumi HIRAGURI 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 706-715
Type of Manuscript:  INVITED PAPER (Special Section on Future Directions of Research and Development on Communication Quality)
Category: 
Keyword: 
IoTfogedgedata aggregationQoSlatencycontrolcommunication qualitycommunication traffic
 Summary | Full Text:PDF(1.6MB)

FOREWORD
Hideyuki SHIMONISHI 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 705-705
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(121.2KB)

Quality of Experience (QoE) Studies: Present State and Future Prospect
Tatsuya YAMAZAKI 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 716-724
Type of Manuscript:  INVITED PAPER (Special Section on Future Directions of Research and Development on Communication Quality)
Category: 
Keyword: 
QoEQoSvideo streaminguser experiencepersonalizationphysiology
 Summary | Full Text:PDF(696.9KB)

Single Image Dehazing Based on Weighted Variational Regularized Model
Hao ZHOU Hailing XIONG Chuan LI Weiwei JIANG Kezhong LU Nian CHEN Yun LIU 
Publication:   
Publication Date: 2021/07/01
Vol. E104-D  No. 7  pp. 961-969
Type of Manuscript:  PAPER
Category: Artificial Intelligence, Data Mining
Keyword: 
image dehazingtotal variationalternating direction algorithmdark channel prior
 Summary | Full Text:PDF(1.8MB)

Derivation Procedure of Coefficients of Metadata-Based Model for Adaptive Bitrate Streaming Services
Kazuhisa YAMAGISHI Noritsugu EGI Noriko YOSHIMURA Pierre LEBRETON 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 725-737
Type of Manuscript:  Special Section PAPER (Special Section on Future Directions of Research and Development on Communication Quality)
Category: 
Keyword: 
adaptive bitrate streamingcodec configurationfull-reference modelmetadata-based model
 Summary | Full Text:PDF(2MB)

Image Captioning Algorithm Based on Multi-Branch CNN and Bi-LSTM
Shan HE Yuanyao LU Shengnan CHEN 
Publication:   
Publication Date: 2021/07/01
Vol. E104-D  No. 7  pp. 941-947
Type of Manuscript:  PAPER
Category: Artificial Intelligence, Data Mining
Keyword: 
image captioningmulti-branch CNNBi-LSTMencoder-decoder
 Summary | Full Text:PDF(965.9KB)

Alleviating File System Journaling Problem in Containers for DBMS Consolidation
Asraa ABDULRAZAK ALI MARDAN Kenji KONO 
Publication:   
Publication Date: 2021/07/01
Vol. E104-D  No. 7  pp. 931-940
Type of Manuscript:  PAPER
Category: Software System
Keyword: 
virtualizationcontainerDBMSjournaling file system
 Summary | Full Text:PDF(1MB)

Maritime Target Detection Based on Electronic Image Stabilization Technology of Shipborne Camera
Xiongfei SHAN Mingyang PAN Depeng ZHAO Deqiang WANG Feng-Jang HWANG Chi-Hua CHEN 
Publication:   
Publication Date: 2021/07/01
Vol. E104-D  No. 7  pp. 948-960
Type of Manuscript:  PAPER
Category: Artificial Intelligence, Data Mining
Keyword: 
shipborne cameraelectronic image stabilizationpoints line modelfeature pointsconvolutional neural network
 Summary | Full Text:PDF(10MB)

Enhancing the Business Model: Automating the Recommended Retail Price Calculation of Products
Bahjat FAKIEH 
Publication:   
Publication Date: 2021/07/01
Vol. E104-D  No. 7  pp. 970-980
Type of Manuscript:  PAPER
Category: Office Information Systems, e-Business Modeling
Keyword: 
business modelinitial costoperating costproduct pricingretailers
 Summary | Full Text:PDF(722.8KB)

FOREWORD
Makoto NAGATA 
Publication:   
Publication Date: 2021/07/01
Vol. E104-C  No. 7  pp. 261-261
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(94.5KB)

Online Collaborative Kit-Build Concept Map: Learning Effect and Conversation Analysis in Collaborative Learning of English as a Foreign Language Reading Comprehension
Aryo PINANDITO Yusuke HAYASHI Tsukasa HIRASHIMA 
Publication:   
Publication Date: 2021/07/01
Vol. E104-D  No. 7  pp. 981-991
Type of Manuscript:  PAPER
Category: Educational Technology
Keyword: 
collaborationconcept mapdiscussionEFLKit-Buildlearning effectonline
 Summary | Full Text:PDF(1.5MB)

Individuality-Preserving Silhouette Extraction for Gait Recognition and Its Speedup
Masakazu IWAMURA Shunsuke MORI Koichiro NAKAMURA Takuya TANOUE Yuzuko UTSUMI Yasushi MAKIHARA Daigo MURAMATSU Koichi KISE Yasushi YAGI 
Publication:   
Publication Date: 2021/07/01
Vol. E104-D  No. 7  pp. 992-1001
Type of Manuscript:  PAPER
Category: Pattern Recognition
Keyword: 
silhouette extractiongait recognitionshape priorgraph-cut segmentationnearest neighbor search
 Summary | Full Text:PDF(1.4MB)

Exposure Fusion Using a Relative Generative Adversarial Network
Jinhua WANG Xuewei LI Hongzhe LIU 
Publication:   
Publication Date: 2021/07/01
Vol. E104-D  No. 7  pp. 1017-1027
Type of Manuscript:  PAPER
Category: Image Processing and Video Processing
Keyword: 
exposure fusionrelative generative adversarial networkhigh dynamic range image
 Summary | Full Text:PDF(5.3MB)

Real-Time Full-Band Voice Conversion with Sub-Band Modeling and Data-Driven Phase Estimation of Spectral Differentials
Takaaki SAEKI Yuki SAITO Shinnosuke TAKAMICHI Hiroshi SARUWATARI 
Publication:   
Publication Date: 2021/07/01
Vol. E104-D  No. 7  pp. 1002-1016
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
voice conversionspectral differentialsdeep neural networksdata-driven phasesub-band modeling
 Summary | Full Text:PDF(2.3MB)

Multi-View Texture Learning for Face Super-Resolution
Yu WANG Tao LU Feng YAO Yuntao WU Yanduo ZHANG 
Publication:   
Publication Date: 2021/07/01
Vol. E104-D  No. 7  pp. 1028-1038
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
multi-view face imagetexture compensationface super-resolutiondeep learning
 Summary | Full Text:PDF(2.6MB)

Correlation of Centralities: A Study through Distinct Graph Robustness
Xin-Ling GUO Zhe-Ming LU Yi-Jia ZHANG 
Publication:   
Publication Date: 2021/07/01
Vol. E104-D  No. 7  pp. 1054-1057
Type of Manuscript:  LETTER
Category: Artificial Intelligence, Data Mining
Keyword: 
scale-free networkrandom networkrobustnesscorrelation analysisattack strategies
 Summary | Full Text:PDF(1MB)

An Improved Method for Two-UAV Trajectory Planning for Cooperative Target Locating Based on Airborne Visual Tracking Platform
Dongzhen WANG Daqing HUANG Cheng XU 
Publication:   
Publication Date: 2021/07/01
Vol. E104-D  No. 7  pp. 1049-1053
Type of Manuscript:  LETTER
Category: Information Network
Keyword: 
unmanned aerial vehicletarget localizationtrajectory optimization
 Summary | Full Text:PDF(530.6KB)

4K 120fps HEVC Encoder with Multi-Chip Configuration
Yuya OMORI Ken NAKAMURA Takayuki ONISHI Daisuke KOBAYASHI Tatsuya OSAWA Hiroe IWASAKI 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 749-759
Type of Manuscript:  Special Section PAPER (Special Section on Future Directions of Research and Development on Communication Quality)
Category: 
Keyword: 
HEVCencoderhigh frame ratelow delaytemporal scalability
 Summary | Full Text:PDF(3.3MB)

Attention Voting Network with Prior Distance Augmented Loss for 6DoF Pose Estimation
Yong HE Ji LI Xuanhong ZHOU Zewei CHEN Xin LIU 
Publication:   
Publication Date: 2021/07/01
Vol. E104-D  No. 7  pp. 1039-1048
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
6DoF pose estimationsemantic segmentationkeypoint localizationdeep learningattention mechanism
 Summary | Full Text:PDF(1.4MB)

Complete l-Diversity Grouping Algorithm for Multiple Sensitive Attributes and Its Applications
Yuelei XIAO Shuang HUANG 
Publication:   
Publication Date: 2021/07/01
Vol. E104-A  No. 7  pp. 984-990
Type of Manuscript:  LETTER
Category: Cryptography and Information Security
Keyword: 
l-diversity groupingmulti-sensitive bucketization (MSB)multiple sensitive attributes
 Summary | Full Text:PDF(829.6KB)

Secret Key Generation Scheme Based on Deep Learning in FDD MIMO Systems
Zheng WAN Kaizhi HUANG Lu CHEN 
Publication:   
Publication Date: 2021/07/01
Vol. E104-D  No. 7  pp. 1058-1062
Type of Manuscript:  LETTER
Category: Artificial Intelligence, Data Mining
Keyword: 
physical layer securitysecret key generationdeep learningFDD MIMO systems
 Summary | Full Text:PDF(282.5KB)

An Intent-Based System Configuration Design for IT/NW Services with Functional and Quantitative Constraints
Takuya KUWAHARA Takayuki KURODA Takao OSAKI Kozo SATODA 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 791-804
Type of Manuscript:  Special Section PAPER (Special Section on Future Directions of Research and Development on Communication Quality)
Category: 
Keyword: 
intent-based system configurationautomated system designdesign space explorationquantitative requirement
 Summary | Full Text:PDF(2.2MB)

Network Tomography Using Routing Probability for Undeterministic Routing
Rie TAGYO Daisuke IKEGAMI Ryoichi KAWAHARA 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 837-848
Type of Manuscript:  PAPER
Category: Network
Keyword: 
network tomographyrouting probabilitymobile crowd sensing (MCS)
 Summary | Full Text:PDF(996.1KB)

Analyzing the Effects of Social Network Structure on the Growth and Survival of Online Communities in Reddit
Sho TSUGAWA Sumaru NIIDA 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 760-769
Type of Manuscript:  Special Section PAPER (Special Section on Future Directions of Research and Development on Communication Quality)
Category: 
Keyword: 
online communitysocial networkRedditgrowthsurvival
 Summary | Full Text:PDF(984.8KB)

A Harvested Power-Oriented SWIPT Scheme in MIMO Communication Systems with Non-Linear Harvesters
Yan CHEN Chen LIU Mujun QIAN Yu HUANG Wenfeng SUN 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 893-902
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
non-linear and linear energy harvesting modelsimultaneous wireless information and power transferharvested power maximizationiterative optimization solutionsum-of-ratios programming
 Summary | Full Text:PDF(1.3MB)

Heuristic Service Chain Construction Algorithm Based on VNF Performances for Optimal Data Transmission Services
Yasuhito SUMI Takuji TACHIBANA 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 817-828
Type of Manuscript:  Special Section PAPER (Special Section on Future Directions of Research and Development on Communication Quality)
Category: 
Keyword: 
service chainingvirtual network functionnetwork function virtualizationoptimization problemheuristic algorithm
 Summary | Full Text:PDF(1.3MB)

Multi-Input Functional Encryption with Controlled Decryption
Nuttapong ATTRAPADUNG Goichiro HANAOKA Takato HIRANO Yutaka KAWAI Yoshihiro KOSEKI Jacob C. N. SCHULDT 
Publication:   
Publication Date: 2021/07/01
Vol. E104-A  No. 7  pp. 968-978
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
multi-input functional encryptiondecryption controltoken-based encryption
 Summary | Full Text:PDF(1.6MB)

Coherent Signal DOA Estimation Using Eigenvector Associated with Max Eigenvalue
Rui LI Ruqi XIAO Hong GU Weimin SU 
Publication:   
Publication Date: 2021/07/01
Vol. E104-A  No. 7  pp. 962-967
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
coherent signalDOA estimationToeplitz matrixeigenvector
 Summary | Full Text:PDF(4MB)

Feedback Path-Tracking Pre-Inverse Type Active Noise Control
Keisuke OKANO Naoto SASAOKA Yoshio ITOH 
Publication:   
Publication Date: 2021/07/01
Vol. E104-A  No. 7  pp. 954-961
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
active noise control (ANC)auxiliary-noise power-schedulingdigital signal processing (DSP)
 Summary | Full Text:PDF(2MB)

Effect of Failures on Stock Price of Telecommunication Service Providers
Masahiro HAYASHI 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 829-836
Type of Manuscript:  Special Section PAPER (Special Section on Future Directions of Research and Development on Communication Quality)
Category: 
Keyword: 
reliabilitystock pricetelecommunications networksuser satisfaction
 Summary | Full Text:PDF(1.2MB)

Extension of ITU-R Site-General Path Loss Model in Urban Areas Based on Measurements from 2 to 66GHz Bands
Motoharu SASAKI Mitsuki NAKAMURA Nobuaki KUNO Wataru YAMADA Naoki KITA Takeshi ONIZAWA Yasushi TAKATORI Hiroyuki NAKAMURA Minoru INOMATA Koshiro KITAO Tetsuro IMAI 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 849-857
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
5Gpropagationpath loss modelUMaIMT-2020Rep. ITU-R M.2412
 Summary | Full Text:PDF(3.8MB)

Simple Weight Calculation Methods for Millimeter Wave Band Massive Antenna Array in Direct Wave Dominant Environment
Mizuki SUGA Yushi SHIRATO Naoki KITA Takeshi ONIZAWA 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 865-872
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
millimeter wavemassive antenna arraybeamforming
 Summary | Full Text:PDF(2.4MB)

Radiation Properties of Wideband Multi-Ring Microstrip Antennas Fed by an L-Probe for Single- and Dual-Band Operations
Yuki KIMURA Sakuyoshi SAITO Yuichi KIMURA Tatsuya FUKUNAGA 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 858-864
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
multi-ring microstrip antennaplanar antennawidebandmultibandL-probe
 Summary | Full Text:PDF(1.8MB)

Time-Series Measurement of Parked Domain Names and Their Malicious Uses
Takayuki TOMATSURI Daiki CHIBA Mitsuaki AKIYAMA Masato UCHIDA 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 770-780
Type of Manuscript:  Special Section PAPER (Special Section on Future Directions of Research and Development on Communication Quality)
Category: 
Keyword: 
domain parkingmalicious domain namestime-series measurement
 Summary | Full Text:PDF(2.3MB)

Achieving Hidden-Terminal-Free Channel Assignment in IEEE802.11-Based Multi-Radio Multi-Channel Wireless Mesh Networks
Yi TIAN Takahiro NOI Takuya YOSHIHIRO 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 873-883
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
WMNsmulti-radio multi-channelchannel assignmenthidden-terminal-freedom
 Summary | Full Text:PDF(2.8MB)

Distributed Detection of MIMO Spatial Multiplexed Signals in Terminal Collaborated Reception
Fengning DU Hidekazu MURATA Mampei KASAI Toshiro NAKAHIRA Koichi ISHIHARA Motoharu SASAKI Takatsune MORIYAMA 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 884-892
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
multi-user MIMOtransmission experimentinterference cancellationterminal collaborationcollaborative receptionmeasurement campaign
 Summary | Full Text:PDF(3.7MB)

A Novel Multi-AP Diversity for Highly Reliable Transmissions in Wireless LANs
Toshihisa NABETANI Masahiro SEKIYA 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 913-921
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
wireless LANmulti-AP diversityreliabilitylatencyfactory
 Summary | Full Text:PDF(2.2MB)

Cyclic LRCs with Availability from Linearized Polynomials
Pan TAN Zhengchun ZHOU  Haode YAN Yong WANG 
Publication:   
Publication Date: 2021/07/01
Vol. E104-A  No. 7  pp. 991-995
Type of Manuscript:  LETTER
Category: Coding Theory
Keyword: 
locally repairable codesdistributed storage systemsavailabilityrepair localitymultiple failures
 Summary | Full Text:PDF(297.7KB)

A CMOS SPDT RF Switch with 68dB Isolation and 1.0dB Loss Feathering Switched Resonance Network for MIMO Applications
Xi FU Yun WANG Zheng LI Atsushi SHIRANE Kenichi OKADA 
Publication:   
Publication Date: 2021/07/01
Vol. E104-C  No. 7  pp. 280-288
Type of Manuscript:  Special Section PAPER (Special Section on Solid-State Circuit Design — Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
Ku-bandhigh-isolationswitched resonance networkSPDTRF switchesmillimeter-waveCMOSMIMO
 Summary | Full Text:PDF(1.4MB)

Secure Cryptographic Unit as Root-of-Trust for IoT Era
Tsutomu MATSUMOTO Makoto IKEDA Makoto NAGATA Yasuyoshi UEMURA 
Publication:   
Publication Date: 2021/07/01
Vol. E104-C  No. 7  pp. 262-271
Type of Manuscript:  INVITED PAPER (Special Section on Solid-State Circuit Design — Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
IoTsecurity IPpublic-key cryptographyroot of trust
 Summary | Full Text:PDF(2.3MB)

Novel Threshold Circuit Technique and Its Performance Analysis on Nanowatt Vibration Sensing Circuits for Millimeter-Sized Wireless Sensor Nodes
Toshishige SHIMAMURA Hiroki MORIMURA 
Publication:   
Publication Date: 2021/07/01
Vol. E104-C  No. 7  pp. 272-279
Type of Manuscript:  Special Section PAPER (Special Section on Solid-State Circuit Design — Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
threshold circuitvibration sensingnanowatt power levelsignal transition timechattering
 Summary | Full Text:PDF(1.5MB)

A Low-Jitter Injection-Locked Clock Multiplier Using 97-µW Transformer-Based VCO with 18-kHz Flicker Noise Corner
Zheng SUN Hanli LIU Dingxin XU Hongye HUANG Bangan LIU Zheng LI Jian PANG Teruki SOMEYA Atsushi SHIRANE Kenichi OKADA 
Publication:   
Publication Date: 2021/07/01
Vol. E104-C  No. 7  pp. 289-299
Type of Manuscript:  Special Section PAPER (Special Section on Solid-State Circuit Design — Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
injection lockfrequency multiplierIoTultra-low powerVCOtransformerFoMflicker noiseCMOS
 Summary | Full Text:PDF(2MB)

Energy Efficient Approximate Storing of Image Data for MTJ Based Non-Volatile Flip-Flops and MRAM
Yoshinori ONO Kimiyoshi USAMI 
Publication:   
Publication Date: 2021/07/01
Vol. E104-C  No. 7  pp. 338-349
Type of Manuscript:  Special Section PAPER (Special Section on Solid-State Circuit Design — Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
non-volatile memorymagnetic tunnel junctionwrite energyapproximate computingimage dataimage quality
 Summary | Full Text:PDF(3.3MB)

Exploring the Outer Boundary of a Simple Polygon
Qi WEI Xiaolin YAO Luan LIU Yan ZHANG 
Publication:   
Publication Date: 2021/07/01
Vol. E104-D  No. 7  pp. 923-930
Type of Manuscript:  PAPER
Category: Fundamentals of Information Systems
Keyword: 
computational geometryonline algorithmpath planningexplorationcompetitive analysis
 Summary | Full Text:PDF(700.3KB)

Low-Power Implementation Techniques for Convolutional Neural Networks Using Precise and Active Skipping Methods
Akira KITAYAMA Goichi ONO Tadashi KISHIMOTO Hiroaki ITO Naohiro KOHMU 
Publication:   
Publication Date: 2021/07/01
Vol. E104-C  No. 7  pp. 330-337
Type of Manuscript:  Special Section PAPER (Special Section on Solid-State Circuit Design — Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
convolutional neural network (CNN)SSD500 networkdeep neural network (DNN) implementationlow power consumptionembedded AI technique
 Summary | Full Text:PDF(3.3MB)

Energy-Efficient Post-Processing Technique Having High Extraction Efficiency for True Random Number Generators
Ruilin ZHANG Xingyu WANG Hirofumi SHINOHARA 
Publication:   
Publication Date: 2021/07/01
Vol. E104-C  No. 7  pp. 300-308
Type of Manuscript:  Special Section PAPER (Special Section on Solid-State Circuit Design — Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
post-processing techniquesvon Neumann entropy extractortrue random number generatorlow-power
 Summary | Full Text:PDF(3.2MB)

Design Method of Variable-Latency Circuit with Tunable Approximate Completion-Detection Mechanism
Yuta UKON Shimpei SATO Atsushi TAKAHASHI 
Publication:   
Publication Date: 2021/07/01
Vol. E104-C  No. 7  pp. 309-318
Type of Manuscript:  Special Section PAPER (Special Section on Solid-State Circuit Design — Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
digital circuit designvariable-latency circuitsignal monitoringapproximate completion-detection mechanism
 Summary | Full Text:PDF(2MB)

SLIT: An Energy-Efficient Reconfigurable Hardware Architecture for Deep Convolutional Neural Networks
Thi Diem TRAN Yasuhiko NAKASHIMA 
Publication:   
Publication Date: 2021/07/01
Vol. E104-C  No. 7  pp. 319-329
Type of Manuscript:  Special Section PAPER (Special Section on Solid-State Circuit Design — Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
primary visual corteximage classificationconvolutional neural networkhardware architectureFPGAfeature extraction
 Summary | Full Text:PDF(2MB)

Design Method for Differential Rectifier Circuit Capable of Rapidly Charging Storage Capacitor
Daiki FUJII Masaya TAMURA 
Publication:   
Publication Date: 2021/07/01
Vol. E104-C  No. 7  pp. 355-362
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
rectifiersimpedance matchingwireless sensor networkswireless power transmissionpower supplies
 Summary | Full Text:PDF(829.7KB)

A High-Speed PWM-Modulated Transceiver Network for Closed-Loop Channel Topology
Kyongsu LEE Jae-Yoon SIM 
Publication:   
Publication Date: 2021/07/01
Vol. E104-C  No. 7  pp. 350-354
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
automotive communicationpulse-width modulationhigh-speed transceiverinterface circuitsclock and data recovery
 Summary | Full Text:PDF(2.6MB)

Room Temperature Atomic Layer Deposition of Nano Crystalline ZnO and Its Application for Flexible Electronics
Kazuki YOSHIDA Kentaro SAITO Keito SOGAI Masanori MIURA Kensaku KANOMATA Bashir AHMMAD Shigeru KUBOTA Fumihiko HIROSE 
Publication:   
Publication Date: 2021/07/01
Vol. E104-C  No. 7  pp. 363-369
Type of Manuscript:  PAPER
Category: Electronic Materials
Keyword: 
room temperature processatomic layer depositioncrystallizationZnO
 Summary | Full Text:PDF(2.3MB)

Fabrication of Silicon Nanowires by Metal-Catalyzed Electroless Etching Method and Their Application in Solar Cell
Naraphorn TUNGHATHAITHIP Chutiparn LERTVACHIRAPAIBOON Kazunari SHINBO Keizo KATO Sukkaneste TUNGASMITA Akira BABA 
Publication:   
Publication Date: 2021/06/01
Vol. E104-C  No. 6  pp. 180-183
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
SiNWsMCEE methodhybrid solar cellPEDOT:PSSAuNPs
 Summary | Full Text:PDF(1.4MB)

Occlusion Avoidance Behavior During Gazing at a Rim Drawn by Blue-Yellow Opposite Colors
Miho SHINOHARA Yukina TAMURA Shinya MOCHIDUKI Hiroaki KUDO Mitsuho YAMADA 
Publication:   
Publication Date: 2021/06/01
Vol. E104-A  No. 6  pp. 897-901
Type of Manuscript:  Special Section LETTER (Special Section on Image Media Quality)
Category: 
Keyword: 
occlusionlateral geniculate nucleusvergence eye movementavoidance behavior
 Summary | Full Text:PDF(627.7KB)

Polarization Dependences in Terahertz Wave Detection by Stark Effect of Nonlinear Optical Polymers
Toshiki YAMADA Takahiro KAJI Chiyumi YAMADA Akira OTOMO 
Publication:   
Publication Date: 2021/06/01
Vol. E104-C  No. 6  pp. 188-191
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
terahertz wave detectionStark effectnonlinear optical polymerspolarization dependenceStark spectroscopy
 Summary | Full Text:PDF(347.2KB)

FOREWORD
Gosuke OHASHI 
Publication:   
Publication Date: 2021/06/01
Vol. E104-A  No. 6  pp. 845-845
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(236.2KB)

Two-Sided LPC-Based Speckle Noise Removal for Laser Speech Detection Systems
Yahui WANG Wenxi ZHANG Xinxin KONG Yongbiao WANG Hongxin ZHANG 
Publication:   
Publication Date: 2021/06/01
Vol. E104-D  No. 6  pp. 850-862
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
speckle noise removallinear prediction codingspeech enhancementlaser speech detection
 Summary | Full Text:PDF(5.2MB)

Suppression in Quality Variation for 360-Degree Tile-Based Video Streaming
Arisa SEKINE Masaki BANDAI 
Publication:   
Publication Date: 2021/06/01
Vol. E104-B  No. 6  pp. 616-623
Type of Manuscript:  PAPER
Category: Network
Keyword: 
360-degree video streamingadaptive streamingquality variation within viewport
 Summary | Full Text:PDF(1.4MB)

Effect of Temperature on Electrical Resistance-Length Characteristic of Electroactive Supercoiled Polymer Artificial Muscle
Kazuya TADA Takashi YOSHIDA 
Publication:   
Publication Date: 2021/06/01
Vol. E104-C  No. 6  pp. 192-193
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
actuatorsupercoiled polymer artificial muscletwisted and coiled polymer actuatorelectrical resistancemathematical model
 Summary | Full Text:PDF(396.4KB)

Biofuel Cell Using Cellulose Nanofiber as Fuel Supply
Ryutaro TANAKA Mitsuhiro OGAWA Satomitsu IMAI 
Publication:   
Publication Date: 2021/06/01
Vol. E104-C  No. 6  pp. 194-197
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
biofuel cellcellulose nanofibergraphene coated carbon fiber woven fabricair exposure type
 Summary | Full Text:PDF(332.1KB)

Evaluation of the Dynamic Characteristics of Microdroplets by Vibration
Kosuke FUJISHIRO Satomitsu IMAI 
Publication:   
Publication Date: 2021/06/01
Vol. E104-C  No. 6  pp. 210-212
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
microdropletsnatural frequencyvibrationexcitation
 Summary | Full Text:PDF(716.8KB)

A Partial Matching Convolution Neural Network for Source Retrieval of Plagiarism Detection
Leilei KONG Yong HAN Haoliang QI Zhongyuan HAN 
Publication:   
Publication Date: 2021/06/01
Vol. E104-D  No. 6  pp. 915-918
Type of Manuscript:  LETTER
Category: Natural Language Processing
Keyword: 
plagiarism detectionsource retrievalpartial matchingconvolution neural network
 Summary | Full Text:PDF(1MB)

Vision-Text Time Series Correlation for Visual-to-Language Story Generation
Rizal Setya PERDANA Yoshiteru ISHIDA 
Publication:   
Publication Date: 2021/06/01
Vol. E104-D  No. 6  pp. 828-839
Type of Manuscript:  PAPER
Category: Artificial Intelligence, Data Mining
Keyword: 
visual storytellingcorrelation analysisattention mechanism
 Summary | Full Text:PDF(3.6MB)

Efficient and Precise Profiling, Modeling and Management on Power and Performance for Power Constrained HPC Systems
Yuan HE Yasutaka WADA Wenchao LUO Ryuichi SAKAMOTO Guanqin PAN Thang CAO Masaaki KONDO 
Publication:   
Publication Date: 2021/06/01
Vol. E104-C  No. 6  pp. 237-246
Type of Manuscript:  Special Section PAPER (Special Section on Low-Power and High-Speed Chips)
Category: 
Keyword: 
HPCperformancepowerprofilingmodelingcapping
 Summary | Full Text:PDF(1MB)

Low-Power Fast Partial Firmware Update Technique of On-Chip Flash Memory for Reliable Embedded IoT Microcontroller
Jisu KWON Moon Gi SEOK Daejin PARK 
Publication:   
Publication Date: 2021/06/01
Vol. E104-C  No. 6  pp. 226-236
Type of Manuscript:  Special Section PAPER (Special Section on Low-Power and High-Speed Chips)
Category: 
Keyword: 
bootloaderflash memoryfirmware updatefunction blockfunction map
 Summary | Full Text:PDF(889.4KB)

Preliminary Performance Analysis of Distributed DNN Training with Relaxed Synchronization
Koichi SHIRAHATA Amir HADERBACHE Naoto FUKUMOTO Kohta NAKASHIMA 
Publication:   
Publication Date: 2021/06/01
Vol. E104-C  No. 6  pp. 257-260
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
relaxed synchronizationdynamic performance optimizationdistributed deep learningapproximate computing
 Summary | Full Text:PDF(373.2KB)

An Area-Efficient Recurrent Neural Network Core for Unsupervised Time-Series Anomaly Detection
Takuya SAKUMA Hiroki MATSUTANI 
Publication:   
Publication Date: 2021/06/01
Vol. E104-C  No. 6  pp. 247-256
Type of Manuscript:  Special Section PAPER (Special Section on Low-Power and High-Speed Chips)
Category: 
Keyword: 
on-device learningmachine learninganomaly detection
 Summary | Full Text:PDF(744.5KB)

FOREWORD
Fumio ARAKAWA Makoto IKEDA 
Publication:   
Publication Date: 2021/06/01
Vol. E104-C  No. 6  pp. 213-214
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(161.4KB)

An FPGA Acceleration and Optimization Techniques for 2D LiDAR SLAM Algorithm
Keisuke SUGIURA Hiroki MATSUTANI 
Publication:   
Publication Date: 2021/06/01
Vol. E104-D  No. 6  pp. 789-800
Type of Manuscript:  PAPER
Category: Computer System
Keyword: 
SLAMGMappingSoCFPGA
 Summary | Full Text:PDF(1.4MB)

On the Efficacy of Scan Chain Grouping for Mitigating IR-Drop-Induced Test Data Corruption
Yucong ZHANG Stefan HOLST Xiaoqing WEN Kohei MIYASE Seiji KAJIHARA Jun QIAN 
Publication:   
Publication Date: 2021/06/01
Vol. E104-D  No. 6  pp. 816-827
Type of Manuscript:  PAPER
Category: Dependable Computing
Keyword: 
scan testingshift switching activityIR-dropshift failurepartial-shiftscan chain groupinglocal shift switching activity
 Summary | Full Text:PDF(1.4MB)

On CSS Unsatisfiability Problem in the Presense of DTDs
Nobutaka SUZUKI Takuya OKADA Yeondae KWON 
Publication:   
Publication Date: 2021/06/01
Vol. E104-D  No. 6  pp. 801-815
Type of Manuscript:  PAPER
Category: Data Engineering, Web Information Systems
Keyword: 
CSSDTDsatisfiability
 Summary | Full Text:PDF(873.2KB)

An Improved Online Multiclass Classification Algorithm Based on Confidence-Weighted
Ji HU Chenggang YAN Jiyong ZHANG Dongliang PENG Chengwei REN Shengying YANG 
Publication:   
Publication Date: 2021/06/01
Vol. E104-D  No. 6  pp. 840-849
Type of Manuscript:  PAPER
Category: Artificial Intelligence, Data Mining
Keyword: 
cognitive systemonline learningmulticlass classificationstreaming dataconfidence-weighted
 Summary | Full Text:PDF(2.4MB)

Biofuel Cell Using Glucose Fuel Gel Wrapping Anode Electrode and Exposing One Side of Cathode to Air
Tatsuki OGINO Satomitsu IMAI 
Publication:   
Publication Date: 2021/06/01
Vol. E104-C  No. 6  pp. 206-209
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
GCFCGODBODglucoseBFC
 Summary | Full Text:PDF(705.8KB)

Estimation of Semantic Impressions from Portraits
Mari MIYATA Kiyoharu AIZAWA 
Publication:   
Publication Date: 2021/06/01
Vol. E104-D  No. 6  pp. 863-872
Type of Manuscript:  PAPER
Category: Image Processing and Video Processing
Keyword: 
portraitsemantic impressiondeformationlearning to rankrelative attribute
 Summary | Full Text:PDF(4.9MB)

FOREWORD
Hirokazu TANAKA 
Publication:   
Publication Date: 2021/06/01
Vol. E104-B  No. 6  pp. 570-570
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(546.1KB)

FOREWORD
Tatsuo MORI 
Publication:   
Publication Date: 2021/06/01
Vol. E104-C  No. 6  pp. 168-169
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(131.1KB)

The Analysis of Accommodation Response and Convergence Eye Movement When Viewing 8K Images
Miho SHINOHARA Reiko KOYAMA Shinya MOCHIDUKI Mitsuho YAMADA 
Publication:   
Publication Date: 2021/06/01
Vol. E104-A  No. 6  pp. 902-906
Type of Manuscript:  Special Section LETTER (Special Section on Image Media Quality)
Category: 
Keyword: 
vergence eye movementaccommodationgaze position8K
 Summary | Full Text:PDF(1.3MB)

New Parameter Sets for SPHINCS+
Jinwoo LEE Tae Gu KANG Kookrae CHO Dae Hyun YUM 
Publication:   
Publication Date: 2021/06/01
Vol. E104-D  No. 6  pp. 890-892
Type of Manuscript:  LETTER
Category: Information Network
Keyword: 
post-quantum cryptographyhash based signaturesSPHINCSSPHINCS+parameters
 Summary | Full Text:PDF(79.3KB)

Scene Adaptive Exposure Time Control for Imaging and Apparent Motion Sensor
Misaki SHIKAKURA Yusuke KAMEDA Takayuki HAMAMOTO 
Publication:   
Publication Date: 2021/06/01
Vol. E104-A  No. 6  pp. 907-911
Type of Manuscript:  Special Section LETTER (Special Section on Image Media Quality)
Category: 
Keyword: 
image sensorexposure time controlapparent motion sensormoving object
 Summary | Full Text:PDF(985.4KB)

Hyperspectral Image Denoising Using Tensor Decomposition under Multiple Constraints
Zhen LI Baojun ZHAO Wenzheng WANG Baoxian WANG 
Publication:   
Publication Date: 2021/06/01
Vol. E104-A  No. 6  pp. 949-953
Type of Manuscript:  LETTER
Category: Image
Keyword: 
hyperspectral imagesdenoisingstripe noisemultiple constraints
 Summary | Full Text:PDF(2.1MB)

Recovering Faulty Non-Volatile Flip Flops for Coarse-Grained Reconfigurable Architectures
Takeharu IKEZOE Takuya KOJIMA Hideharu AMANO 
Publication:   
Publication Date: 2021/06/01
Vol. E104-C  No. 6  pp. 215-225
Type of Manuscript:  Special Section PAPER (Special Section on Low-Power and High-Speed Chips)
Category: 
Keyword: 
CGRAconfiguration reductionnon-volatile memoryfault-tolerance
 Summary | Full Text:PDF(1.2MB)

Rapid Recovery by Maximizing Page-Mapping Logs Deactivation
Jung-Hoon KIM 
Publication:   
Publication Date: 2021/06/01
Vol. E104-D  No. 6  pp. 885-889
Type of Manuscript:  LETTER
Category: Software System
Keyword: 
NAND flash-based storageflash translation layerpage-mapping logging policyconsistencyrecovery
 Summary | Full Text:PDF(417.3KB)

Kernel Weights for Equalizing Kernel-Wise Convergence Rates of Multikernel Adaptive Filtering
Kwangjin JEONG Masahiro YUKAWA 
Publication:   
Publication Date: 2021/06/01
Vol. E104-A  No. 6  pp. 927-939
Type of Manuscript:  PAPER
Category: Algorithms and Data Structures
Keyword: 
online nonlinear estimationadaptive filteringkernel method
 Summary | Full Text:PDF(2MB)

A Circuit Analysis of Pre-Emphasis Pulses for RC Delay Lines
Kazuki MATSUYAMA Toru TANZAWA 
Publication:   
Publication Date: 2021/06/01
Vol. E104-A  No. 6  pp. 912-926
Type of Manuscript:  PAPER
Category: Circuit Theory
Keyword: 
pre-emphasisRC delaydelay timeNAND flashflat panel displayword-linecolumn-line
 Summary | Full Text:PDF(2.3MB)

Analysis and Design of Aggregate Demand Response Systems Based on Controllability
Kazuhiro SATO Shun-ichi AZUMA 
Publication:   
Publication Date: 2021/06/01
Vol. E104-A  No. 6  pp. 940-948
Type of Manuscript:  PAPER
Category: Mathematical Systems Science
Keyword: 
aggregate demand responsecontrollabilityreal-time pricing
 Summary | Full Text:PDF(1.3MB)

Recent Advances in Video Action Recognition with 3D Convolutions
Kensho HARA 
Publication:   
Publication Date: 2021/06/01
Vol. E104-A  No. 6  pp. 846-856
Type of Manuscript:  INVITED PAPER (Special Section on Image Media Quality)
Category: 
Keyword: 
video recognitionaction recognition3D convolutionssurvey
 Summary | Full Text:PDF(663.4KB)

Cuffless Blood Pressure Monitors: Principles, Standards and Approval for Medical Use
Toshiyo TAMURA 
Publication:   
Publication Date: 2021/06/01
Vol. E104-B  No. 6  pp. 580-586
Type of Manuscript:  INVITED PAPER (Special Section on Information and Communication Technology for Medical, Healthcare and Welfare Applications in Conjunction with Main Topics of ISMICT 2020)
Category: Sensing
Keyword: 
cuffless blood pressure monitornon-invasive blood pressure monitorregulationstandardmedical approval
 Summary | Full Text:PDF(2MB)

Video Smoke Removal from a Single Image Sequence
Shiori YAMAGUCHI Keita HIRAI Takahiko HORIUCHI 
Publication:   
Publication Date: 2021/06/01
Vol. E104-A  No. 6  pp. 876-886
Type of Manuscript:  Special Section PAPER (Special Section on Image Media Quality)
Category: 
Keyword: 
moving camerasmoke imaging modelsmoke removalspatio-temporal pixel compensationvideo processing
 Summary | Full Text:PDF(37.4MB)

Towards mmWave V2X in 5G and Beyond to Support Automated Driving
Kei SAKAGUCHI Ryuichi FUKATSU Tao YU Eisuke FUKUDA Kim MAHLER Robert HEATH Takeo FUJII Kazuaki TAKAHASHI Alexey KHORYAEV Satoshi NAGATA Takayuki SHIMIZU 
Publication:   
Publication Date: 2021/06/01
Vol. E104-B  No. 6  pp. 587-603
Type of Manuscript:  INVITED SURVEY PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
automated drivingcooperative perceptionV2XV2VIEEE802.11pLTE-V2Xmillimeter-wave5GIEEE802.11ad/bdNR-V2X
 Summary | Full Text:PDF(6.4MB)

Automatically Generated Data Mining Tools for Complex System Operator's Condition Detection Using Non-Contact Vital Sensing
Shakhnaz AKHMEDOVA Vladimir STANOVOV Sophia VISHNEVSKAYA Chiori MIYAJIMA Yukihiro KAMIYA 
Publication:   
Publication Date: 2021/06/01
Vol. E104-B  No. 6  pp. 571-579
Type of Manuscript:  INVITED PAPER (Special Section on Information and Communication Technology for Medical, Healthcare and Welfare Applications in Conjunction with Main Topics of ISMICT 2020)
Category: Navigation, Guidance and Control Systems
Keyword: 
classificationfuzzy logicneural networksnon-contact vital sensing
 Summary | Full Text:PDF(1.1MB)

Occurrence Prediction of Dislocation Regions in Photoluminescence Image of Multicrystalline Silicon Wafers Using Transfer Learning of Convolutional Neural Network
Hiroaki KUDO Tetsuya MATSUMOTO Kentaro KUTSUKAKE Noritaka USAMI 
Publication:   
Publication Date: 2021/06/01
Vol. E104-A  No. 6  pp. 857-865
Type of Manuscript:  Special Section PAPER (Special Section on Image Media Quality)
Category: 
Keyword: 
predictiontransfer learningconvolutional neural network
 Summary | Full Text:PDF(3.2MB)

Domain Adaptive Cross-Modal Image Retrieval via Modality and Domain Translations
Rintaro YANAGI Ren TOGO Takahiro OGAWA Miki HASEYAMA 
Publication:   
Publication Date: 2021/06/01
Vol. E104-A  No. 6  pp. 866-875
Type of Manuscript:  Special Section PAPER (Special Section on Image Media Quality)
Category: 
Keyword: 
cross-modal retrievaltext-to-image generative adversarial networkstyle transferdomain adaptation
 Summary | Full Text:PDF(7.1MB)

Graph Degree Heterogeneity Facilitates Random Walker Meetings
Yusuke SAKUMOTO Hiroyuki OHSAKI 
Publication:   
Publication Date: 2021/06/01
Vol. E104-B  No. 6  pp. 604-615
Type of Manuscript:  PAPER
Category: Fundamental Theories for Communications
Keyword: 
first meeting timerandom walkspectral graph theory
 Summary | Full Text:PDF(1.2MB)

An Automatic Detection Approach of Traumatic Bleeding Based on 3D CNN Networks
Lei YANG Tingxiao YANG Hiroki KIMURA Yuichiro YOSHIMURA Kumiko ARAI Taka-aki NAKADA Huiqin JIANG Toshiya NAKAGUCHI 
Publication:   
Publication Date: 2021/06/01
Vol. E104-A  No. 6  pp. 887-896
Type of Manuscript:  Special Section PAPER (Special Section on Image Media Quality)
Category: 
Keyword: 
CTCNNtraumatic bleedingsegmentationclassification
 Summary | Full Text:PDF(3.3MB)

Development and Evaluation of Fructose Biofuel Cell Using Gel Fuel and Liquid Fuel as Hybrid Structure
Atsuya YAMAKAWA Keisuke TODAKA Satomitsu IMAI 
Publication:   
Publication Date: 2021/06/01
Vol. E104-C  No. 6  pp. 198-201
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
biofuel cellfuel gelfuel liquidhybrid fuel structureoxygen supplylife timeoptimization of enzyme
 Summary | Full Text:PDF(1.7MB)

Building Change Detection by Using Past Map Information and Optical Aerial Images
Motohiro TAKAGI Kazuya HAYASE Masaki KITAHARA Jun SHIMAMURA 
Publication:   
Publication Date: 2021/06/01
Vol. E104-D  No. 6  pp. 897-900
Type of Manuscript:  LETTER
Category: Artificial Intelligence, Data Mining
Keyword: 
neural networkschange detectionmap information
 Summary | Full Text:PDF(364.9KB)

A Cyber Deception Method Based on Container Identity Information Anonymity
Lingshu LI Jiangxing WU Wei ZENG Xiaotao CHENG 
Publication:   
Publication Date: 2021/06/01
Vol. E104-D  No. 6  pp. 893-896
Type of Manuscript:  LETTER
Category: Information Network
Keyword: 
active defensenetwork deceptiondynamic fingerprintsdata flow anonymity
 Summary | Full Text:PDF(765KB)

Design of the Traveling-Wave Series-Fed Microstrip Antenna Array with Power Control Slits of Unequal Inter-Element Spacing
Jun GOTO Makoto MATSUKI Takashi MARUYAMA Toru FUKASAWA Naofumi YONEDA Jiro HIROKAWA 
Publication:   
Publication Date: 2021/06/01
Vol. E104-B  No. 6  pp. 624-629
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
array antennamicrostripseries-fedtraveling-wave
 Summary | Full Text:PDF(2.2MB)

Sensor Gain-Phase Error and Position Perturbation Estimation Using an Auxiliary Source in an Unknown Direction
Zheng DAI Weimin SU Hong GU 
Publication:   
Publication Date: 2021/06/01
Vol. E104-B  No. 6  pp. 639-646
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
DOA estimationsensor gain-phase errorssensor position perturbationscalibration source
 Summary | Full Text:PDF(6.9MB)

Characterization of Nonlinear Optical Chromophores Having Tricyanopyrroline Acceptor Unit and Amino Benzene Donor Unit with or without a Benzyloxy Group
Toshiki YAMADA Yoshihiro TAKAGI Chiyumi YAMADA Akira OTOMO 
Publication:   
Publication Date: 2021/06/01
Vol. E104-C  No. 6  pp. 184-187
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
nonlinear optical chromophoretricyanopyrroline acceptorhyper-Rayleigh scatteringintra-molecular hydrogen bond
 Summary | Full Text:PDF(397.2KB)

Video Magnification under the Presence of Complex Background Motions
Long ZHANG Xuezhi YANG 
Publication:   
Publication Date: 2021/06/01
Vol. E104-D  No. 6  pp. 909-914
Type of Manuscript:  LETTER
Category: Computer Graphics
Keyword: 
video magnificationcomplex background motionsfrequency variability (FV)Poincaré plot analysis (PPA)frequency variability filter
 Summary | Full Text:PDF(2MB)

Differentially Private Neural Networks with Bounded Activation Function
Kijung JUNG Hyukki LEE Yon Dohn CHUNG 
Publication:   
Publication Date: 2021/06/01
Vol. E104-D  No. 6  pp. 905-908
Type of Manuscript:  LETTER
Category: Artificial Intelligence, Data Mining
Keyword: 
deep learningactivation functiondifferential privacy
 Summary | Full Text:PDF(745.8KB)

Multi-Objective Ant Lion Optimizer Based on Time Weight
Yi LIU Wei QIN Jinhui ZHANG Mengmeng LI Qibin ZHENG Jichuan WANG 
Publication:   
Publication Date: 2021/06/01
Vol. E104-D  No. 6  pp. 901-904
Type of Manuscript:  LETTER
Category: Artificial Intelligence, Data Mining
Keyword: 
multi-objective ant lion optimizermulti-objective optimizationtime weightmutation
 Summary | Full Text:PDF(1.2MB)

A Study on Decoupling Method for Two PIFAs Using Parasitic Elements and Bridge Line
Quang Quan PHUNG Tuan Hung NGUYEN Naobumi MICHISHITA Hiroshi SATO Yoshio KOYANAGI Hisashi MORISHITA 
Publication:   
Publication Date: 2021/06/01
Vol. E104-B  No. 6  pp. 630-638
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
PIFAsparasitic elementsbridge linedecoupling
 Summary | Full Text:PDF(4.1MB)

An Energy-Efficient Hybrid Precoding Design in mmWave Massive MIMO Systems
Xiaolei QI Gang XIE Yuanan LIU 
Publication:   
Publication Date: 2021/06/01
Vol. E104-B  No. 6  pp. 647-653
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
massive MIMOadaptive analog networkhybrid precodingmillimeter waveinverter and switch
 Summary | Full Text:PDF(3MB)

Uplink Frame Transmission with Functions of Adaptive Triggering and Resource Allocation of OFDMA in Interfering IEEE 802.11ax Wireless LANs
Ryoichi TAKAHASHI Yosuke TANIGAWA Hideki TODE 
Publication:   
Publication Date: 2021/06/01
Vol. E104-B  No. 6  pp. 664-674
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
IEEE 802.11axOFDMAwireless LAN
 Summary | Full Text:PDF(1.5MB)

Distributed UAVs Placement Optimization for Cooperative Communication
Zhaoyang HOU Zheng XIANG Peng REN Qiang HE Ling ZHENG 
Publication:   
Publication Date: 2021/06/01
Vol. E104-B  No. 6  pp. 675-685
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
unmanned aerial vehicles (UAVs)UAVs position constraint equation (UAVs-PCE)condition number (CN)gradient descent (GD)particle swarm optimization (PSO)PSO-GD
 Summary | Full Text:PDF(1.6MB)

Low-Complexity Training for Binary Convolutional Neural Networks Based on Clipping-Aware Weight Update
Changho RYU Tae-Hwan KIM 
Publication:   
Publication Date: 2021/06/01
Vol. E104-D  No. 6  pp. 919-922
Type of Manuscript:  LETTER
Category: Biocybernetics, Neurocomputing
Keyword: 
binarized neural networkslow complexityquantization-aware trainingconvolutional neural networks
 Summary | Full Text:PDF(751.6KB)

Security-Reliability Tradeoff for Joint Relay-User Pair and Friendly Jammer Selection with Channel Estimation Error in Internet-of-Things
Guangna ZHANG Yuanyuan GAO Huadong LUO Xiaochen LIU Nan SHA Kui XU 
Publication:   
Publication Date: 2021/06/01
Vol. E104-B  No. 6  pp. 686-695
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
physical layer securityrelay-user pair selectionjammer selectionchannel estimation errorsecurity-reliability tradeoff (SRT)
 Summary | Full Text:PDF(1.4MB)

Ascorbic-Acid Biofuel Cell with Graphene-Coated Carbon Fiber Woven Fabric and ABTS as an Electron Transfer Mediator
Tatsuki OGINO Kenta KUROISHI Satomitsu IMAI 
Publication:   
Publication Date: 2021/06/01
Vol. E104-C  No. 6  pp. 202-205
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
GCFCABTSBODascorbic-acidAAEBFC
 Summary | Full Text:PDF(522.5KB)

A Weighted Forward-Backward Spatial Smoothing DOA Estimation Algorithm Based on TLS-ESPRIT
Manlin XIAO Zhibo DUAN Zhenglong YANG 
Publication:   
Publication Date: 2021/06/01
Vol. E104-D  No. 6  pp. 881-884
Type of Manuscript:  LETTER
Category: Fundamentals of Information Systems
Keyword: 
coherent signalsweighted spatial smoothingDOA estimationTLS-ESPRIT
 Summary | Full Text:PDF(339.3KB)

Enhanced Orientation of 1,3,5-Tris(1-Phenyl-1H-Benzimidazole-2-yl)Benzene by Light Irradiation during Its Deposition Evaluated by Displacement Current Measurement
Yuya TANAKA Yuki TAZO Hisao ISHII 
Publication:   
Publication Date: 2021/06/01
Vol. E104-C  No. 6  pp. 176-179
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
organic electronicsenergy harvestingelectretpolar moleculeorientation polarization
 Summary | Full Text:PDF(397.9KB)

Highly Reliable Radio Access Scheme by Duplicate Transmissions via Multiple Frequency Channels and Suppressed Useless Transmission under Interference from Other Systems
Hideya SO Takafumi FUJITA Kento YOSHIZAWA Maiko NAYA Takashi SHIMIZU 
Publication:   
Publication Date: 2021/06/01
Vol. E104-B  No. 6  pp. 696-704
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
Internet of things (IoT)highly reliable wireless communicationduplicated transmissionmultiple frequency channelsinterference from the other systemsoccupation time ratio
 Summary | Full Text:PDF(2.1MB)

Deep Metric Learning for Multi-Label and Multi-Object Image Retrieval
Jonathan MOJOO Takio KURITA 
Publication:   
Publication Date: 2021/06/01
Vol. E104-D  No. 6  pp. 873-880
Type of Manuscript:  PAPER
Category: Image Processing and Video Processing
Keyword: 
multi-label retrievaldeep metric learningsoft similaritydeep hashing
 Summary | Full Text:PDF(2.7MB)

Visualizing Positive and Negative Charges of Triboelectricity Generated on Polyimide Film
Dai TAGUCHI Takaaki MANAKA Mitsumasa IWAMOTO 
Publication:   
Publication Date: 2021/06/01
Vol. E104-C  No. 6  pp. 170-175
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Organic Molecular Electronics)
Category: 
Keyword: 
electric-field-induced optical second-harmonic generationorientational order parameterdipolar rotationcharge displacementMaxwell's displacement current
 Summary | Full Text:PDF(533.7KB)

Image Enhancement in 26GHz-Band 1-Bit Direct Digital RF Transmitter Using Manchester Coding
Junhao ZHANG Masafumi KAZUNO Mizuki MOTOYOSHI Suguru KAMEDA Noriharu SUEMATSU 
Publication:   
Publication Date: 2021/06/01
Vol. E104-B  No. 6  pp. 654-663
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
direct digital RF transmitterdelta-sigma modulatorimageManchester codingmicrowaves
 Summary | Full Text:PDF(2.1MB)

Simultaneous Attack on CNN-Based Monocular Depth Estimation and Optical Flow Estimation
Koichiro YAMANAKA Keita TAKAHASHI Toshiaki FUJII Ryuraroh MATSUMOTO 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 785-788
Type of Manuscript:  LETTER
Category: Image Recognition, Computer Vision
Keyword: 
adversarial attackmonocular depth estimationoptical flow estimationCNN
 Summary | Full Text:PDF(3.7MB)

Phase Stabilization by Open Stubs for Via-Less Waveguide to Microstrip Line Transition
Takashi MARUYAMA Shigeo UDAGAWA 
Publication:   
Publication Date: 2021/05/01
Vol. E104-B  No. 5  pp. 530-538
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
waveguide to microstrip line transitionopen stubphase stabilizationpatch array antenna
 Summary | Full Text:PDF(1.9MB)

A Low-Complexity QR Decomposition with Novel Modified RVD for MIMO Systems
Lu SUN Bin WU Tianchun YE 
Publication:   
Publication Date: 2021/05/01
Vol. E104-A  No. 5  pp. 814-817
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
QR decompositionRVDGivens rotationMIMO detection
 Summary | Full Text:PDF(994.2KB)

Single-Letter Characterizations for Information Erasure under Restriction on the Output Distribution
Naruaki AMADA Hideki YAGI 
Publication:   
Publication Date: 2021/05/01
Vol. E104-A  No. 5  pp. 805-813
Type of Manuscript:  PAPER
Category: Information Theory
Keyword: 
information erasuresingle-letter characterizationdata sanitizationconditional resolvabilitylossy source coding
 Summary | Full Text:PDF(1.4MB)

Light-YOLOv3: License Plate Detection in Multi-Vehicle Scenario
Yuchao SUN Qiao PENG Dengyin ZHANG 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 723-728
Type of Manuscript:  PAPER
Category: Artificial Intelligence, Data Mining
Keyword: 
plate detectionYOLOv3multi-vehicle scenario
 Summary | Full Text:PDF(1.4MB)

DORR: A DOR-Based Non-Blocking Optical Router for 3D Photonic Network-on-Chips
Meaad FADHEL Huaxi GU Wenting WEI 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 688-696
Type of Manuscript:  PAPER
Category: Computer System
Keyword: 
network-on-chipsoptical routersnon-blocking routersinterconnectionsphotonic routersONoCs
 Summary | Full Text:PDF(1.9MB)

L1 Norm Minimal Mode-Based Methods for Listing Reaction Network Designs for Metabolite Production
Takeyuki TAMURA 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 679-687
Type of Manuscript:  PAPER
Category: Fundamentals of Information Systems
Keyword: 
metabolic networkconstraint-based modelelementary flux modelinear programmingpolynomial time algorithm
 Summary | Full Text:PDF(663KB)

MTGAN: Extending Test Case set for Deep Learning Image Classifier
Erhu LIU Song HUANG Cheng ZONG Changyou ZHENG Yongming YAO Jing ZHU Shiqi TANG Yanqiu WANG 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 709-722
Type of Manuscript:  PAPER
Category: Software Engineering
Keyword: 
test casedeep learningadversarial exampleGAN
 Summary | Full Text:PDF(1.8MB)

Non-Volatile Main Memory Emulator for Embedded Systems Employing Three NVMM Behaviour Models
Yu OMORI Keiji KIMURA 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 697-708
Type of Manuscript:  PAPER
Category: Computer System
Keyword: 
NVMMemulatorembedded systembehaviour modelIntel Optane DC persistent memory
 Summary | Full Text:PDF(1.6MB)

Extending the Measurement Angle of a Gaze Estimation Method Using an Eye Model Expressed by a Revolution about the Optical Axis of the Eye
Takashi NAGAMATSU Mamoru HIROE Hisashi ARAI 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 729-740
Type of Manuscript:  PAPER
Category: Human-computer Interaction
Keyword: 
aspherical eye modeleye trackinggaze tracking
 Summary | Full Text:PDF(3.5MB)

Acquisition of the Width of a Virtual Body through Collision Avoidance Trials
Yoshiaki SAITO Kazumasa KAWASHIMA Masahito HIRAKAWA 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 741-751
Type of Manuscript:  PAPER
Category: Human-computer Interaction
Keyword: 
body ownershipembodimentbody widthvirtual realityavoidance behavior
 Summary | Full Text:PDF(1.3MB)

Deep Clustering for Improved Inter-Cluster Separability and Intra-Cluster Homogeneity with Cohesive Loss
Byeonghak KIM Murray LOEW David K. HAN Hanseok KO 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 776-780
Type of Manuscript:  LETTER
Category: Artificial Intelligence, Data Mining
Keyword: 
separate clusteringconvolutional autoencoderintra-cluster homogeneityinter-cluster separability
 Summary | Full Text:PDF(896.6KB)

Non-Invasive Monitoring of Respiratory Rate and Respiratory Status during Sleep Using a Passive Radio-Frequency Identification System
Kagome NAYA Toshiaki MIYAZAKI Peng LI 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 762-771
Type of Manuscript:  PAPER
Category: Biological Engineering
Keyword: 
passive radio-frequency identification (RFID)received signal strength indicator (RSSI)respiratory rate (RR)sleep monitoring
 Summary | Full Text:PDF(2MB)

Curiosity Guided Fine-Tuning for Encoder-Decoder-Based Visual Forecasting
Yuta KAMIKAWA Atsushi HASHIMOTO Motoharu SONOGASHIRA Masaaki IIYAMA 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 752-761
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
imbalance datapixel-wise predictionvisual forecasting
 Summary | Full Text:PDF(2.5MB)

A Modified Whale Optimization Algorithm for Pattern Synthesis of Linear Antenna Array
Wentao FENG Dexiu HU 
Publication:   
Publication Date: 2021/05/01
Vol. E104-A  No. 5  pp. 818-822
Type of Manuscript:  LETTER
Category: Numerical Analysis and Optimization
Keyword: 
whale optimization algorithmdynamic leader selectionnull steeringsidelobe suppressionhybrid crossover
 Summary | Full Text:PDF(616.5KB)

Efficient Hardware Accelerator for Compressed Sparse Deep Neural Network
Hao XIAO Kaikai ZHAO Guangzhu LIU 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 772-775
Type of Manuscript:  LETTER
Category: Computer System
Keyword: 
deep neural networksfiled programmable gate arrayrun-length compressionsparse data
 Summary | Full Text:PDF(322.8KB)

A Fast Chroma Intra-Prediction Mode Decision Algorithm Based on Texture Characteristics for VVC
Zhi LIU Yifan SU Shuzhong YANG Mengmeng ZHANG 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 781-784
Type of Manuscript:  LETTER
Category: Image Processing and Video Processing
Keyword: 
VVCchroma prediction modeCCLMtexture complexity
 Summary | Full Text:PDF(753.3KB)

Exact Range of the Parameter of an n-Variate FGM Copula under Homogeneous Dependence Structure
Shuhei OTA Mitsuhiro KIMURA 
Publication:   
Publication Date: 2021/05/01
Vol. E104-A  No. 5  pp. 823-826
Type of Manuscript:  LETTER
Category: Reliability, Maintainability and Safety Analysis
Keyword: 
Farlie-Gumbel-Morgenstern copulaexact rangedependence structureasymptotic property
 Summary | Full Text:PDF(377.8KB)

Straight-Line Dual-Polarization PSK Transmitter with Polarization Differential Modulation
Shota ISHIMURA Kosuke NISHIMURA Yoshiaki NAKANO Takuo TANEMURA 
Publication:   
Publication Date: 2021/05/01
Vol. E104-B  No. 5  pp. 490-496
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission for Communications
Keyword: 
coherent optical communicationsdigital signal processingdual-polarization modulator
 Summary | Full Text:PDF(1.3MB)

Upper Bounds and Constructions of Locating Arrays
Ce SHI Jianfeng FU Chengmin WANG Jie YAN 
Publication:   
Publication Date: 2021/05/01
Vol. E104-A  No. 5  pp. 827-833
Type of Manuscript:  LETTER
Category: Reliability, Maintainability and Safety Analysis
Keyword: 
locating arraysupper boundextendiblecovering arraysconstruction
 Summary | Full Text:PDF(205.6KB)

Topological Optimization Problem for a Network System with Separate Subsystems
Yoshihiro MURASHIMA Taishin NAKAMURA Hisashi YAMAMOTO Xiao XIAO 
Publication:   
Publication Date: 2021/05/01
Vol. E104-A  No. 5  pp. 797-804
Type of Manuscript:  PAPER
Category: Reliability, Maintainability and Safety Analysis
Keyword: 
network reliabilityall-terminal reliabilitynetwork designoptimization
 Summary | Full Text:PDF(2MB)

Angle Adjustment for Sampling Frequency Offset Estimation of OFDM-Based WLANs
Xiaoping ZHOU Bin WU Kan ZHENG Hui ZHAO 
Publication:   
Publication Date: 2021/05/01
Vol. E104-A  No. 5  pp. 834-837
Type of Manuscript:  LETTER
Category: Communication Theory and Signals
Keyword: 
WLANphase estimationWLSLS
 Summary | Full Text:PDF(326.2KB)

A Power Reduction Scheme with Partial Sleep Control of ONU Frame Buffer in Operation
Hiroyuki UZAWA Kazuhiko TERADA Koyo NITTA 
Publication:   
Publication Date: 2021/05/01
Vol. E104-B  No. 5  pp. 481-489
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission for Communications
Keyword: 
power reductionframe bufferPONONU
 Summary | Full Text:PDF(2.1MB)

Instruction Prefetch for Improving GPGPU Performance
Jianli CAO Zhikui CHEN Yuxin WANG He GUO Pengcheng WANG 
Publication:   
Publication Date: 2021/05/01
Vol. E104-A  No. 5  pp. 773-785
Type of Manuscript:  PAPER
Category: VLSI Design Technology and CAD
Keyword: 
GPGPUI-Cachewarp schedulerinstruction prefetch
 Summary | Full Text:PDF(2.6MB)

Multi-Cell Interference Mitigation for MIMO Non-Orthogonal Multiple Access Systems
Changyong SHIN Jiho HAN 
Publication:   
Publication Date: 2021/05/01
Vol. E104-A  No. 5  pp. 838-843
Type of Manuscript:  LETTER
Category: Communication Theory and Signals
Keyword: 
non-orthogonal multiple access (NOMA)cellular systemmulti-cell interferenceMIMOspectral efficiency
 Summary | Full Text:PDF(530.8KB)

Optimization of Hybrid Energy System Configuration for Marine Diesel Engine
Guangmiao ZENG Rongjie WANG Ran HAN 
Publication:   
Publication Date: 2021/05/01
Vol. E104-A  No. 5  pp. 786-796
Type of Manuscript:  PAPER
Category: Algorithms and Data Structures
Keyword: 
artificial bee colony algorithmhybrid energy systemdiesel engineoptimal configurationphotovoltaic power generation
 Summary | Full Text:PDF(2.2MB)

Multicast Routing Model to Minimize Number of Flow Entries in Software-Defined Network
Seiki KOTACHI Takehiro SATO Ryoichi SHINKUMA Eiji OKI 
Publication:   
Publication Date: 2021/05/01
Vol. E104-B  No. 5  pp. 507-518
Type of Manuscript:  PAPER
Category: Network
Keyword: 
SDNmulticastflow entryinteger linear programming
 Summary | Full Text:PDF(2.7MB)

Study on Scalability in Scientific Research Data Transfer Networks: Energy Consumption Perspectives
Chankyun LEE 
Publication:   
Publication Date: 2021/05/01
Vol. E104-B  No. 5  pp. 519-529
Type of Manuscript:  PAPER
Category: Network Management/Operation
Keyword: 
energy consumptionscalabilityrouting and wavelength assignment algorithmscientific research data transfer networks
 Summary | Full Text:PDF(2.2MB)

HAIF: A Hierarchical Attention-Based Model of Filtering Invalid Webpage
Chaoran ZHOU Jianping ZHAO Tai MA Xin ZHOU 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 659-668
Type of Manuscript:  Special Section PAPER (Special Section on the Architectures, Protocols, and Applications for the Future Internet)
Category: 
Keyword: 
invalid webpage filteringattention mechanismhierarchical-level attention caculationwebpage featuresdeep learning
 Summary | Full Text:PDF(2MB)

Improved LEACH-M Protocol for Processing Outlier Nodes in Aerial Sensor Networks
Li TAN Haoyu WANG Xiaofeng LIAN Jiaqi SHI Minji WANG 
Publication:   
Publication Date: 2021/05/01
Vol. E104-B  No. 5  pp. 497-506
Type of Manuscript:  PAPER
Category: Network
Keyword: 
AWSNLEACH-MMCR protocolnetwork lifetimeinfor-mation transmission
 Summary | Full Text:PDF(2MB)

Efficient Polling Communications for Multi-Hop Networks Based on Receiver-Initiated MAC Protocol
Ryota OKUMURA Keiichi MIZUTANI Hiroshi HARADA 
Publication:   
Publication Date: 2021/05/01
Vol. E104-B  No. 5  pp. 550-562
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
Wi-SUNF-RITmulti-hoppollingrouting
 Summary | Full Text:PDF(1.7MB)

Parallel Peak Cancellation Signal-Based PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Transmission
Taku SUZUKI Mikihito SUZUKI Kenichi HIGUCHI 
Publication:   
Publication Date: 2021/05/01
Vol. E104-B  No. 5  pp. 539-549
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
OFDMPAPRMIMObeamformingclipping and filteringpeak cancellationcomputational complexity reductionparallel process
 Summary | Full Text:PDF(2.3MB)

Quinary Offset Carrier Modulations for Global Navigation Satellite System
Wei LIU Yuan HU Tsung-Hsuan HSIEH Jiansen ZHAO Shengzheng WANG 
Publication:   
Publication Date: 2021/05/01
Vol. E104-B  No. 5  pp. 563-569
Type of Manuscript:  PAPER
Category: Navigation, Guidance and Control Systems
Keyword: 
GNSSsignal structureoffset carrier modulationnavigation signal design
 Summary | Full Text:PDF(4MB)

A Feasibility Study of Multi-Domain Stochastic Computing Circuit
Tati ERLINA Renyuan ZHANG Yasuhiko NAKASHIMA 
Publication:   
Publication Date: 2021/05/01
Vol. E104-C  No. 5  pp. 153-163
Type of Manuscript:  PAPER
Category: Integrated Electronics
Keyword: 
stochastic computingmulti-domainapproximate computingMAC
 Summary | Full Text:PDF(3MB)

An Experimental Study across GPU DBMSes toward Cost-Effective Analytical Processing
Young-Kyoon SUH Seounghyeon KIM Joo-Young LEE Hawon CHU Junyoung AN Kyong-Ha LEE 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 551-555
Type of Manuscript:  Special Section LETTER (Special Section on Data Engineering and Information Management)
Category: 
Keyword: 
GPUdatabase management systems (DBMS)analytical processingcost-effectivenesseconomic perspectives
 Summary | Full Text:PDF(459.4KB)

A New Structure of 2-State Number-Conserving Cellular Automata
Gil-Tak KONG Katsunobu IMAI Toru NAKANISHI 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 673-678
Type of Manuscript:  PAPER
Category: Fundamentals of Information Systems
Keyword: 
cellular automatanumber-conservation
 Summary | Full Text:PDF(647.7KB)

Action Recognition Using Pose Data in a Distributed Environment over the Edge and Cloud
Chikako TAKASAKI Atsuko TAKEFUSA Hidemoto NAKADA Masato OGUCHI 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 539-550
Type of Manuscript:  Special Section PAPER (Special Section on Data Engineering and Information Management)
Category: 
Keyword: 
deep learningmachine learningdistributed processingcloud computingaction recognition
 Summary | Full Text:PDF(2.4MB)

Spatial Single Dimensional Mode Based De-Multiplexer Using Slab Waveguide
Haisong JIANG Mahmoud NASEF Kiichi HAMAMOTO 
Publication:   
Publication Date: 2021/05/01
Vol. E104-C  No. 5  pp. 164-167
Type of Manuscript:  BRIEF PAPER
Category: Optoelectronics
Keyword: 
spatial multiplexing transmissionspatial single dimensional modeslab waveguide
 Summary | Full Text:PDF(2.6MB)

Collaborative Ontology Development and its Use for Video Annotation in Elderly Care Domain
Satoshi NISHIMURA Julio VIZCARRA Yuichi OOTA Ken FUKUDA 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 528-538
Type of Manuscript:  Special Section PAPER (Special Section on Data Engineering and Information Management)
Category: 
Keyword: 
Ontology constructionCollaborative work with domain expertsVideo annotation
 Summary | Full Text:PDF(1.7MB)

Partition-then-Overlap Method for Labeling Cyber Threat Intelligence Reports by Topics over Time
Ryusei NAGASAWA Keisuke FURUMOTO Makoto TAKITA Yoshiaki SHIRAISHI Takeshi TAKAHASHI Masami MOHRI Yasuhiro TAKANO Masakatu MORII 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 556-561
Type of Manuscript:  Special Section LETTER (Special Section on Data Engineering and Information Management)
Category: 
Keyword: 
topic modelcyber threat intelligencetext miningmulti-labelingsecurity blog posts
 Summary | Full Text:PDF(2.8MB)

FOREWORD
Kazuo GODA 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 526-527
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(110.9KB)

FOREWORD
Shinji SUGAWARA 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 562-562
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(74.5KB)

Autonomous Relay Device Placement Algorithm for Avoiding Cascading Failure in D2D-Based Social Networking Service
Hanami YOKOI Takuji TACHIBANA 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 597-605
Type of Manuscript:  Special Section PAPER (Special Section on the Architectures, Protocols, and Applications for the Future Internet)
Category: 
Keyword: 
SNSD2DD2D-based SNSrelay deviceoptimization problemrobustnessheuristic algorithm
 Summary | Full Text:PDF(2.2MB)

Design and Implementation of LoRa-Based Wireless Sensor Network with Embedded System for Smart Agricultural Recycling Rapid Processing Factory
Chia-Yu WANG Chia-Hsin TSAI Sheng-Chung WANG Chih-Yu WEN Robert Chen-Hao CHANG Chih-Peng FAN 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 563-574
Type of Manuscript:  INVITED PAPER (Special Section on the Architectures, Protocols, and Applications for the Future Internet)
Category: 
Keyword: 
IoTLoRawireless sensor networksmart manufacture for smart agricultureembedded system
 Summary | Full Text:PDF(2.6MB)

A Throughput Drop Estimation Model for Concurrent Communications under Partially Overlapping Channels without Channel Bonding and Its Application to Channel Assignment in IEEE 802.11n WLAN
Kwenga ISMAEL MUNENE Nobuo FUNABIKI Hendy BRIANTORO Md. MAHBUBUR RAHMAN Fatema AKHTER Minoru KURIBAYASHI Wen-Chung KAO 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 585-596
Type of Manuscript:  Special Section PAPER (Special Section on the Architectures, Protocols, and Applications for the Future Internet)
Category: 
Keyword: 
throughput drop estimationconcurrent communicationpartially overlapping channelaccess-pointnon-bonded channelWLAN
 Summary | Full Text:PDF(1.7MB)

Joint Channel Allocation and Routing for ZigBee/Wi-Fi Coexistent Networks
Yosuke TANIGAWA Shu NISHIKORI Kazuhiko KINOSHITA Hideki TODE Takashi WATANABE 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 575-584
Type of Manuscript:  Special Section PAPER (Special Section on the Architectures, Protocols, and Applications for the Future Internet)
Category: 
Keyword: 
ZigBeeWi-Fichannel allocationrouting
 Summary | Full Text:PDF(2.4MB)

Privacy-Preserving System for Enriched-Integrated Service
Kaisei KAJITA Go OHTAKE Kazuto OGAWA 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 647-658
Type of Manuscript:  Special Section PAPER (Special Section on the Architectures, Protocols, and Applications for the Future Internet)
Category: 
Keyword: 
privacy preservingattribute-based keyword searchintegrated broadcast-broadband service
 Summary | Full Text:PDF(772KB)

An Evaluation of the Effectiveness of ECN with Fallback on the Internet
Linzhi ZOU Kenichi NAGAOKA Chun-Xiang CHEN 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 628-636
Type of Manuscript:  Special Section PAPER (Special Section on the Architectures, Protocols, and Applications for the Future Internet)
Category: 
Keyword: 
congestion controlexplicit congestion notificationfallbackeffectivenessconnectivity
 Summary | Full Text:PDF(860.4KB)

NetworkAPI: An In-Band Signalling Application-Aware Traffic Engineering Using SRv6 and IP Anycast
Takuya MIYASAKA Yuichiro HEI Takeshi KITAHARA 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 617-627
Type of Manuscript:  Special Section PAPER (Special Section on the Architectures, Protocols, and Applications for the Future Internet)
Category: 
Keyword: 
application-aware traffic engineeringSRv6IP anycast
 Summary | Full Text:PDF(1.9MB)

Sparse Regression Model-Based Relearning Architecture for Shortening Learning Time in Traffic Prediction
Takahiro HIRAYAMA Takaya MIYAZAWA Masahiro JIBIKI Ved P. KAFLE 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 606-616
Type of Manuscript:  Special Section PAPER (Special Section on the Architectures, Protocols, and Applications for the Future Internet)
Category: 
Keyword: 
network function virtualization (NFV)service function chaining (SFC)machine learningdynamic resource arbitration
 Summary | Full Text:PDF(1.8MB)

ICN Performance Enhancing Proxies Intended to Mitigate Performance Degradation in Global Content Delivery
Kazuaki UEDA Atsushi TAGAMI 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 637-646
Type of Manuscript:  Special Section PAPER (Special Section on the Architectures, Protocols, and Applications for the Future Internet)
Category: 
Keyword: 
Information-Centric Networkingperformance enhancing proxymiddlebox
 Summary | Full Text:PDF(2MB)

An Approach for Identifying Malicious Domain Names Generated by Dictionary-Based DGA Bots
Akihiro SATOH Yutaka NAKAMURA Yutaka FUKUDA Daiki NOBAYASHI Takeshi IKENAGA 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 669-672
Type of Manuscript:  Special Section LETTER (Special Section on the Architectures, Protocols, and Applications for the Future Internet)
Category: 
Keyword: 
dga botdictionary-based domain generation algorithmdomain namenetwork security
 Summary | Full Text:PDF(153.1KB)

Analysis of BER Degradation Owing to Multiple Crosstalk Channels in Optical QPSK/QAM Signals
Kyo INOUE 
Publication:   
Publication Date: 2021/04/01
Vol. E104-B  No. 4  pp. 370-377
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission for Communications
Keyword: 
inter-channel crosstalkbit error ratequadrature phase shift keyingquadrature amplitude modulation
 Summary | Full Text:PDF(1.6MB)

RPCA-Based Radio Interference Cancellation Algorithm for Compact HF Surface Wave Radar
Di YAO Aijun LIU Hongzhi LI Changjun YU 
Publication:   
Publication Date: 2021/04/01
Vol. E104-A  No. 4  pp. 757-761
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
compact HFSWRradio interferenceRPCA
 Summary | Full Text:PDF(2.4MB)

A Hardware Implementation on Customizable Embedded DSP Core for Colorectal Tumor Classification with Endoscopic Video toward Real-Time Computer-Aided Diagnosais System
Masayuki ODAGAWA Takumi OKAMOTO Tetsushi KOIDE Toru TAMAKI Bisser RAYTCHEV Kazufumi KANEDA Shigeto YOSHIDA Hiroshi MIENO Shinji TANAKA Takayuki SUGAWARA Hiroshi TOISHI Masayuki TSUJI Nobuo TAMBA 
Publication:   
Publication Date: 2021/04/01
Vol. E104-A  No. 4  pp. 691-701
Type of Manuscript:  PAPER
Category: VLSI Design Technology and CAD
Keyword: 
computer-aided diagnosis systemconvolutional neural networksupport vector machinecustomizable embedded DSPhardware prototyping
 Summary | Full Text:PDF(12.3MB)

Deep Network for Parametric Bilinear Generalized Approximate Message Passing and Its Application in Compressive Sensing under Matrix Uncertainty
Jingjing SI Wenwen SUN Chuang LI Yinbo CHENG 
Publication:   
Publication Date: 2021/04/01
Vol. E104-A  No. 4  pp. 751-756
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
deep learningcompressive sensingparametric bilinear generalized approximate message passingmatrix uncertainty
 Summary | Full Text:PDF(496.6KB)

Approximate Simultaneous Diagonalization of Matrices via Structured Low-Rank Approximation
Riku AKEMA Masao YAMAGISHI Isao YAMADA 
Publication:   
Publication Date: 2021/04/01
Vol. E104-A  No. 4  pp. 680-690
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
approximate simultaneous diagonalization (ASD)joint eigenvalue decomposition (JEVD)structured low-rank approximation (SLRA)alternating projection algorithm
 Summary | Full Text:PDF(1.2MB)

Statistical Analysis of Phase-Only Correlation Functions under the Phase Fluctuation of Signals due to Additive Gaussian Noise
Shunsuke YAMAKI Kazuhiro FUKUI Masahide ABE Masayuki KAWAMATA 
Publication:   
Publication Date: 2021/04/01
Vol. E104-A  No. 4  pp. 671-679
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
phase-only correlation functionsphase fluctuationadditive Gaussian noiseprobability density functions
 Summary | Full Text:PDF(4.3MB)

Evaluation of Temporal Characteristics of Olfactory Displays with Different Structures
Masaaki ISEKI Takamichi NAKAMOTO 
Publication:   
Publication Date: 2021/04/01
Vol. E104-A  No. 4  pp. 744-750
Type of Manuscript:  PAPER
Category: Human Communications
Keyword: 
olfactory displayVR contentstemporal characteristicssensory evaluationPID monitor
 Summary | Full Text:PDF(2.4MB)

Pilot Decontamination in Spatially Correlated Massive MIMO Uplink via Expectation Propagation
Wataru TATSUNO Keigo TAKEUCHI 
Publication:   
Publication Date: 2021/04/01
Vol. E104-A  No. 4  pp. 723-733
Type of Manuscript:  PAPER
Category: Communication Theory and Signals
Keyword: 
massive MIMOspatial correlationpilot contaminationtime-shifted pilotsexpectation propagation (EP)
 Summary | Full Text:PDF(1.1MB)

Multiclass Dictionary-Based Statistical Iterative Reconstruction for Low-Dose CT
Hiryu KAMOSHITA Daichi KITAHARA Ken'ichi FUJIMOTO Laurent CONDAT Akira HIRABAYASHI 
Publication:   
Publication Date: 2021/04/01
Vol. E104-A  No. 4  pp. 702-713
Type of Manuscript:  PAPER
Category: Numerical Analysis and Optimization
Keyword: 
low-dose CTimage reconstructionsparse representationfast dictionary learningclustering
 Summary | Full Text:PDF(3.5MB)

Using SubSieve Technique to Accelerate TupleSieve Algorithm
Zedong SUN Chunxiang GU Yonghui ZHENG 
Publication:   
Publication Date: 2021/04/01
Vol. E104-A  No. 4  pp. 714-722
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
cryptanalysislatticeshortest vector problemsieve algorithm
 Summary | Full Text:PDF(1.3MB)

Backbone Alignment and Cascade Tiny Object Detecting Techniques for Dolphin Detection and Classification
Yih-Cherng LEE Hung-Wei HSU Jian-Jiun DING Wen HOU Lien-Shiang CHOU Ronald Y. CHANG 
Publication:   
Publication Date: 2021/04/01
Vol. E104-A  No. 4  pp. 734-743
Type of Manuscript:  PAPER
Category: Image
Keyword: 
object detectiondeep learningobject segmentationrotation measurementimage classification
 Summary | Full Text:PDF(4.1MB)

Optimization Model for Backup Network Design with Primary and Backup Routing against Multiple Link Failures under Uncertain Traffic Demands
Soudalin KHOUANGVICHIT Eiji OKI 
Publication:   
Publication Date: 2021/04/01
Vol. E104-B  No. 4  pp. 378-390
Type of Manuscript:  PAPER
Category: Network
Keyword: 
link failureoptimization problembackup capacityuncertain traffic demands
 Summary | Full Text:PDF(1.4MB)

Design and VLSI Implementation of a Sorted MMSE QR Decomposition for 4×4 MIMO Detectors
Lu SUN Bin WU Tianchun YE 
Publication:   
Publication Date: 2021/04/01
Vol. E104-A  No. 4  pp. 762-767
Type of Manuscript:  LETTER
Category: VLSI Design Technology and CAD
Keyword: 
sorted MMSE QR decompositionCORDICGivens rotationMIMO
 Summary | Full Text:PDF(1.7MB)

Real-Time Experiment and Numerical Analysis of Highly-Survivable Adaptive Restoration for High-Capacity Optical Signal Transmission
Hiroki KAWAHARA Kohei SAITO Masahiro NAKAGAWA Takashi KUBO Takeshi SEKI Takeshi KAWASAKI Hideki MAEDA 
Publication:   
Publication Date: 2021/04/01
Vol. E104-B  No. 4  pp. 360-369
Type of Manuscript:  PAPER
Category: Transmission Systems and Transmission Equipment for Communications
Keyword: 
high-order QAM modulationrate-adaptive transponderCD-/CDC-ROADMadaptive restoration
 Summary | Full Text:PDF(3MB)

An Energy-Efficient Defense against Message Flooding Attacks in Delay Tolerant Networks
Hiromu ASAHINA Keisuke ARAI Shuichiro HARUTA P. Takis MATHIOPOULOS Iwao SASASE 
Publication:   
Publication Date: 2021/04/01
Vol. E104-B  No. 4  pp. 348-359
Type of Manuscript:  PAPER
Category: Fundamental Theories for Communications
Keyword: 
delay tolerant networksecuritymessage flooding attackenergy efficiency
 Summary | Full Text:PDF(2.3MB)

Two Constructions of Binary Z-Complementary Pairs
Shucong TIAN Meng YANG Jianpeng WANG 
Publication:   
Publication Date: 2021/04/01
Vol. E104-A  No. 4  pp. 768-772
Type of Manuscript:  LETTER
Category: Communication Theory and Signals
Keyword: 
sequence designbinary sequenceGolay complementary pairZ-complementary pairperfect correlation
 Summary | Full Text:PDF(286.6KB)

FOREWORD
Koichi HIRAYAMA Hiroyuki DEGUCHI 
Publication:   
Publication Date: 2021/04/01
Vol. E104-C  No. 4  pp. 132-133
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(149.2KB)

Optimization and Hole Interpolation of 2-D Sparse Arr