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IEICE Trans

Takeshi YAMADA

Puzzles are Hard Enough Just by Rotations
Takeshi YAMADA Tom van der ZANDEN Ryuhei UEHARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2026/09/01
Vol. E109-A  No. 9  pp. 1564-1570
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
combinatorial reconfiguration, NP-completeness, PSPACE-completeness, and rotation based puzzles, 
 Summary | Full Text:PDF
The Effect of Gamification on Workers with Intellectual Disability: A Longitudinal Study in a Company
Masateru TSUNODA Shohei SINTO Hidetsugu SUTO Takeshi YAMADA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2026/07/01
Vol. E109-D  No. 7  pp. 1041-1045
Type of Manuscript:  Special Section LETTER (Special Section on Advancements in Information and Communication Technologies for a Hyperconnected Society)
Category: 
Keyword: 
inclusive, workplace, long-term, industrial, impaired, efficiency, 
 Summary | Full Text:PDF
An Extension of MUSIC Exploiting Higher-Order Moments via Nonlinear Mapping
Yuya SUGIMOTO Shigeki MIYABE Takeshi YAMADA Shoji MAKINO Biing-Hwang JUANG 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/06/01
Vol. E99-A  No. 6  pp. 1152-1162
Type of Manuscript:  PAPER
Category: Engineering Acoustics
Keyword: 
underdetermined DOA estimation, microphone array, MUSIC, 2q-MUSIC, higher-order statistics, 
 Summary | Full Text:PDF
Non-reference Objective Quality Evaluation for Noise-Reduced Speech Using Overall Quality Estimation Model
Takeshi YAMADA Yuki KASUYA Yuki SHINOHARA Nobuhiko KITAWAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/06/01
Vol. E93-B  No. 6  pp. 1367-1372
Type of Manuscript:  Special Section PAPER (Special Section on Quality of Communication Networks and Services)
Category: 
Keyword: 
non-reference objective quality evaluation, noise-reduced speech, overall quality estimation model, ITU-T Rec. P.835, ITU-T Rec. P.563, 
 Summary | Full Text:PDF
Objective Estimation of Word Intelligibility for Noise-Reduced Speech
Takeshi YAMADA Masakazu KUMAKURA Nobuhiko KITAWAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/12/01
Vol. E91-B  No. 12  pp. 4075-4077
Type of Manuscript:  LETTER
Category: Multimedia Systems for Communications
Keyword: 
objective estimation, word intelligibility, noise reduction, PESQ, 
 Summary | Full Text:PDF
Extracting Communities from Complex Networks by the k-Dense Method
Kazumi SAITO Takeshi YAMADA Kazuhiro KAZAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/11/01
Vol. E91-A  No. 11  pp. 3304-3311
Type of Manuscript:  PAPER
Category: Graphs and Networks
Keyword: 
complex network, community extraction, k-core, k-clique, k-dense, 
 Summary | Full Text:PDF
Detection of Overlapping Speech in Meetings Using Support Vector Machines and Support Vector Regression
Kiyoshi YAMAMOTO Futoshi ASANO Takeshi YAMADA Nobuhiko KITAWAKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/08/01
Vol. E89-A  No. 8  pp. 2158-2165
Type of Manuscript:  PAPER
Category: Engineering Acoustics
Keyword: 
Support Vector Machines, Support Vector Regression, detection of overlapping speech, 
 Summary | Full Text:PDF
Electromagnetic Shielding Evaluation Setup for Conductive O-Rings
Shinnichiro YAMAMOTO Kennichi HATAKEYAMA Kenji YAMAUCHI Takeshi YAMADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/01/01
Vol. E89-C  No. 1  pp. 72-76
Type of Manuscript:  Special Section LETTER (Special Section on Near-Field and Far-Field Electromagnetic Absorption and Shielding and Related Technologies)
Category: 
Keyword: 
conductive O-rings, electromagnetic shielding, FDTD, 
 Summary | Full Text:PDF
AURORA-2J: An Evaluation Framework for Japanese Noisy Speech Recognition
Satoshi NAKAMURA Kazuya TAKEDA Kazumasa YAMAMOTO Takeshi YAMADA Shingo KUROIWA Norihide KITAOKA Takanobu NISHIURA Akira SASOU Mitsunori MIZUMACHI Chiyomi MIYAJIMA Masakiyo FUJIMOTO Toshiki ENDO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/03/01
Vol. E88-D  No. 3  pp. 535-544
Type of Manuscript:  Special Section PAPER (Special Section on Corpus-Based Speech Technologies)
Category: Speech Corpora and Related Topics
Keyword: 
noisy speech recognition, evaluation platform, performance differences over speakers, evaluation categories, 
 Summary | Full Text:PDF
Objective Quality Assessment of Wideband Speech Coding
Nobuhiko KITAWAKI Kou NAGAI Takeshi YAMADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/03/01
Vol. E88-B  No. 3  pp. 1111-1118
Type of Manuscript:  PAPER
Category: Network
Keyword: 
objective quality assessment, wideband speech, W-PESQ, artificial voice, 
 Summary | Full Text:PDF
Comparative Assessment of Test Signals Used for Measuring Residual Echo Characteristics
Nobuhiko KITAWAKI Takeshi YAMADA Futoshi ASANO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/03/01
Vol. E86-B  No. 3  pp. 1102-1108
Type of Manuscript:  PAPER
Category: Network
Keyword: 
quality assessment, perceptual QoS, artificial voice, echo characteristics, 
 Summary | Full Text:PDF
A Microphone Array-Based 3-D N-Best Search Method for Recognizing Multiple Sound Sources
Panikos HERACLEOUS Satoshi NAKAMURA Takeshi YAMADA Kiyohiro SHIKANO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2002/06/01
Vol. E85-D  No. 6  pp. 994-1002
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
3-D N-best search, multiple sound sources, microphone array, 
 Summary | Full Text:PDF
3D Reconstruction of Skin Surface from Image Sequence
Takeshi YAMADA Hideo SAITO Shinji OZAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2000/07/25
Vol. E83-D  No. 7  pp. 1415-1421
Type of Manuscript:  Special Section PAPER (Special Issue on Machine Vision Applications)
Category: 
Keyword: 
3D reconstruction, photometric stereo, skin surface, specular reflection, 
 Summary | Full Text:PDF