Hiroki MORI


Design and Analysis of Ultra-Low Power Glitch-Free Programmable Voltage Detector Based on Multiple Voltage Copier
Teruki SOMEYA Hiroshi FUKETA Kenichi MATSUNAGA Hiroki MORIMURA Takayasu SAKURAI Makoto TAKAMIYA 
Publication:   
Publication Date: 2017/04/01
Vol. E100-C  No. 4  pp. 349-358
Type of Manuscript:  Special Section PAPER (Special Section on Solid-State Circuit Design — Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
voltage detectorvoltage referencelow powerlow voltagemultiple voltage copier
 Summary | Full Text:PDF(1.6MB)

Band Splitting Permutations for Spatially Coupled LDPC Codes Achieving Asymptotically Optimal Burst Erasure Immunity
Hiroki MORI Tadashi WADAYAMA 
Publication:   
Publication Date: 2017/02/01
Vol. E100-A  No. 2  pp. 663-669
Type of Manuscript:  PAPER
Category: Coding Theory
Keyword: 
spatially coupled LDPC codesburst erasurestopping setsbelief propagation
 Summary | Full Text:PDF(538.7KB)

Performance Analysis Based on Density Evolution on Fault Erasure Belief Propagation Decoder
Hiroki MORI Tadashi WADAYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/12/01
Vol. E99-A  No. 12  pp. 2155-2161
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Coding Theory and Techniques
Keyword: 
LDPC codesBP decoderfaultdensity evolution
 Summary | Full Text:PDF(778.4KB)

High Resolution 2-D DOA Estimation by Low-Cost Antenna Array Based on Synthesized Covariance Matrix via Antenna Switching
Yuki DOI Hiroki MORIYA Koichi ICHIGE Hiroyuki ARAI Takahiro HAYASHI Hiromi MATSUNO Masayuki NAKANO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/10/01
Vol. E96-A  No. 10  pp. 1962-1971
Type of Manuscript:  Special Section PAPER (Special Section on Sparsity-aware Signal Processing)
Category: 
Keyword: 
direction of arrival estimationarray signal processingsensor arrayantenna array
 Summary | Full Text:PDF(2.9MB)

Improving Elevation Estimation Accuracy in DOA Estimation: How Planar Arrays Can Be Modified into 3-D Configuration
Hiroki MORIYA Koichi ICHIGE Hiroyuki ARAI Takahiro HAYASHI Hiromi MATSUNO Masayuki NAKANO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/10/01
Vol. E95-A  No. 10  pp. 1667-1675
Type of Manuscript:  Special Section PAPER (Special Section on Advances in Adaptive Signal Processing and Applications)
Category: DOA
Keyword: 
direction of arrival estimationarray signal processingsensor arraysantenna arrays
 Summary | Full Text:PDF(1.5MB)

Throughput Improvement Technique Using Adaptive Control of Perturbation Interval for Downlink Multi-User MIMO Based on Vector Perturbation
Hiroki MORI Yuji TOHZAKA Tsuguhide AOKI Yasuhiko TANABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/09/01
Vol. E95-B  No. 9  pp. 2861-2869
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
vector perturbationmulti-user MIMOmodulo operation
 Summary | Full Text:PDF(1MB)

Negation-Limited Inverters of Linear Size
Hiroki MORIZUMI Genki SUZUKI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/02/01
Vol. E93-D  No. 2  pp. 257-262
Type of Manuscript:  Special Section PAPER (Special Section on Foundations of Computer Science)
Category: 
Keyword: 
circuit complexitynegation-limited circuitinverterNOT gate
 Summary | Full Text:PDF(214.4KB)

Facial Expression Generation from Speaker's Emotional States in Daily Conversation
Hiroki MORI Koh OHSHIMA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2008/06/01
Vol. E91-D  No. 6  pp. 1628-1633
Type of Manuscript:  Special Section PAPER (Special Section on Human Communication III)
Category: Media Communication
Keyword: 
dialogueparalinguistic informationemotional statefacial action coding systemavatar
 Summary | Full Text:PDF(479.5KB)

Logic and Analog Test Schemes for a Single-Chip Pixel-Parallel Fingerprint Identification LSI
Satoshi SHIGEMATSU Hiroki MORIMURA Toshishige SHIMAMURA Takahiro HATANO Namiko IKEDA Yukio OKAZAKI Katsuyuki MACHIDA Mamoru NAKANISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/10/01
Vol. E90-C  No. 10  pp. 1892-1899
Type of Manuscript:  Special Section PAPER (Special Section on VLSI Technology toward Frontiers of New Market)
Category: Image Sensor/Vision Chip
Keyword: 
testpixel parallelsensorfingerprint identificationsingle chiphigh-functional deviceMEMS
 Summary | Full Text:PDF(1.2MB)

Fingerprint Image Enhancement and Rotation Schemes for a Single-Chip Fingerprint Sensor and Identifier
Satoshi SHIGEMATSU Koji FUJII Hiroki MORIMURA Takahiro HATANO Mamoru NAKANISHI Namiko IKEDA Toshishige SHIMAMURA Katsuyuki MACHIDA Yukio OKAZAKI Hakaru KYURAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/04/01
Vol. E89-C  No. 4  pp. 540-550
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
fingerprint identificationfingerprint sensorpixel arraypixel parallelimage processingimage rotation
 Summary | Full Text:PDF(2.3MB)

Pixel-Parallel Image-Matching Circuit Schemes for a Single-Chip Fingerprint Sensor and Identifier
Satoshi SHIGEMATSU Hiroki MORIMURA Katsuyuki MACHIDA Yukio OKAZAKI Hakaru KYURAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/05/01
Vol. E88-C  No. 5  pp. 1070-1078
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
pixel parallelimage processingpattern matchingfingerprintsensor
 Summary | Full Text:PDF(1.7MB)

F0 Dynamics in Singing: Evidence from the Data of a Baritone Singer
Hiroki MORI Wakana ODAGIRI Hideki KASUYA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/05/01
Vol. E87-D  No. 5  pp. 1086-1092
Type of Manuscript:  Special Section PAPER (Special Section on Speech Dynamics by Ear, Eye, Mouth and Machine)
Category: 
Keyword: 
singing voiceovershoottransition timeasymmetryvoice synthesizer
 Summary | Full Text:PDF(477.4KB)

An Adaptive Fingerprint-Sensing Scheme for a User Authentication System with a Fingerprint Sensor LSI
Hiroki MORIMURA Satoshi SHIGEMATSU Toshishige SHIMAMURA Koji FUJII Chikara YAMAGUCHI Hiroki SUTO Yukio OKAZAKI Katsuyuki MACHIDA Hakaru KYURAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/05/01
Vol. E87-C  No. 5  pp. 791-800
Type of Manuscript:  PAPER
Category: Integrated Electronics
Keyword: 
fingerprint sensoradaptive fingerprint-sensingadjustable A/D conversionfingerprint image quality evaluation
 Summary | Full Text:PDF(2.2MB)

Robust n-Gram Model of Japanese Character and Its Application to Document Recognition
Hiroki MORI Hirotomo ASO Shozo MAKINO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1996/05/25
Vol. E79-D  No. 5  pp. 471-476
Type of Manuscript:  Special Section PAPER (Special Issue on Character Recognition and Document Understanding)
Category: Postprocessing
Keyword: 
character recognitionn-gram modelpostprocessingdeleted interpolation method
 Summary | Full Text:PDF(519.1KB)