Lei CHEN


Receiver Differential Code Bias Estimation under Disturbed Ionosphere Status Using Linear Planar Model Based Minimum Standard Deviation Searching Method with Bias Detection
Yan ZHANG Lei CHEN Xiaomei TANG Gang OU 
Publication:   
Publication Date: 2020/03/01
Vol. E103-B  No. 3  pp. 272-282
Type of Manuscript:  PAPER
Category: Satellite Communications
Keyword: 
differential code biaslinear planar fitionospheric disturbed statusestimation bias detection
 Summary | Full Text:PDF

Energy-Efficient Hardware Implementation of Road-Lane Detection Based on Hough Transform with Parallelized Voting Procedure and Local Maximum Algorithm
Jungang GUAN Fengwei AN Xiangyu ZHANG Lei CHEN Hans Jürgen MATTAUSCH 
Publication:   
Publication Date: 2019/06/01
Vol. E102-D  No. 6  pp. 1171-1182
Type of Manuscript:  PAPER
Category: Image Processing and Video Processing
Keyword: 
Hough transformparalleled voting-procedurelocal maximumvideo-based road-lane detectionenergy efficient
 Summary | Full Text:PDF

Building Hierarchical Spatial Histograms for Exploratory Analysis in Array DBMS
Jing ZHAO Yoshiharu ISHIKAWA Lei CHEN Chuan XIAO Kento SUGIURA 
Publication:   
Publication Date: 2019/04/01
Vol. E102-D  No. 4  pp. 788-799
Type of Manuscript:  Special Section PAPER (Special Section on Data Engineering and Information Management)
Category: 
Keyword: 
spatial histogramsexploratory analysisarray DBMSs
 Summary | Full Text:PDF

Naive Bayes Classifier Based Partitioner for MapReduce
Lei CHEN Wei LU Ergude BAO Liqiang WANG Weiwei XING Yuanyuan CAI 
Publication:   
Publication Date: 2018/05/01
Vol. E101-A  No. 5  pp. 778-786
Type of Manuscript:  PAPER
Category: Graphs and Networks
Keyword: 
MapReducehadoopdata localitydata skewnaive Bayesbandwidthjob type
 Summary | Full Text:PDF

An Iteration Based Beamforming Method for Planar Phased Array in Millimeter-Wave Communication
Junlin TANG Guangrong YUE Lei CHEN Shaoqian LI 
Publication:   
Publication Date: 2017/04/01
Vol. E100-C  No. 4  pp. 399-406
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
millimeter-wavebeamformingiterationphased array
 Summary | Full Text:PDF

A Morpheme-Based Weighting for Chinese-Mongolian Statistical Machine Translation
Zhenxin YANG Miao LI Lei CHEN Kai SUN 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2016/11/01
Vol. E99-D  No. 11  pp. 2843-2846
Type of Manuscript:  LETTER
Category: Natural Language Processing
Keyword: 
machine translationmorpheme-based weightingmultiple decoding pathslow-resource language
 Summary | Full Text:PDF

Performance Analysis of Lunar Spacecraft Navigation Based on Inter-Satellite Link Annular Beam Antenna
Lei CHEN Ke ZHANG Yangbo HUANG Zhe LIU Gang OU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/04/01
Vol. E99-B  No. 4  pp. 951-959
Type of Manuscript:  PAPER
Category: Navigation, Guidance and Control Systems
Keyword: 
inter-satellite link (ISL)annular beam antennastarting elevationbeamwidthweighting distance root-mean-square (wdrms)
 Summary | Full Text:PDF

Actuator-Control Circuit Based on OTFTs and Flow-Rate Estimation for an All-Organic Fluid Pump
Lei CHEN Tapas Kumar MAITI Hidenori MIYAMOTO Mitiko MIURA-MATTAUSCH Hans Jürgen MATTAUSCH 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/04/01
Vol. E99-A  No. 4  pp. 798-805
Type of Manuscript:  PAPER
Category: Systems and Control
Keyword: 
organic actuatororganic thin-film transistororganic circuitHiSIM-organic modelcircuit simulationfluid volumeartificial lung
 Summary | Full Text:PDF

k Nearest Neighbor Classification Coprocessor with Weighted Clock-Mapping-Based Searching
Fengwei AN Lei CHEN Toshinobu AKAZAWA Shogo YAMASAKI Hans Jürgen MATTAUSCH 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/03/01
Vol. E99-C  No. 3  pp. 397-403
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
k nearest neighbor classifierminimal Euclidean distance searchclock-mapping conceptweighted frequency dividersmajority circuit
 Summary | Full Text:PDF

Accuracy of Gradient-Based Optical Flow Estimation in High-Frame-Rate Video Analysis
Lei CHEN Takeshi TAKAKI Idaku ISHII 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/04/01
Vol. E95-D  No. 4  pp. 1130-1141
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
gradient-based optical flowaccuracyhigh-frame-rate videos
 Summary | Full Text:PDF

Optimizing Controlling-Value-Based Power Gating with Gate Count and Switching Activity
Lei CHEN Shinji KIMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/12/01
Vol. E92-A  No. 12  pp. 3111-3118
Type of Manuscript:  Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category: Logic Synthesis, Test and Verfication
Keyword: 
power gatingmulti-threshold CMOS (MTCMOS)controlling valuedynamic power reductionmaximum depth constraintCV-based power gating
 Summary | Full Text:PDF

Fine-Grained Power Gating Based on the Controlling Value of Logic Elements
Lei CHEN Takashi HORIYAMA Yuichi NAKAMURA Shinji KIMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/12/01
Vol. E91-A  No. 12  pp. 3531-3538
Type of Manuscript:  Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category: Logic Synthesis, Test and Verification
Keyword: 
power gatingmulti-threshold CMOS (MTCMOS) technologyBDDcontrolling valueleakage power reduction
 Summary | Full Text:PDF