Takeshi YAMADA


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 estimationmicrophone arrayMUSIC2q-MUSIChigher-order statistics
 Summary | Full Text:PDF(2MB)

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 evaluationnoise-reduced speechoverall quality estimation modelITU-T Rec. P.835ITU-T Rec. P.563
 Summary | Full Text:PDF(887.8KB)

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 estimationword intelligibilitynoise reductionPESQ
 Summary | Full Text:PDF(250.5KB)

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 networkcommunity extractionk-corek-cliquek-dense
 Summary | Full Text:PDF(300.4KB)

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 MachinesSupport Vector Regressiondetection of overlapping speech
 Summary | Full Text:PDF(807.1KB)

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-ringselectromagnetic shieldingFDTD
 Summary | Full Text:PDF(1.6MB)

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 recognitionevaluation platformperformance differences over speakersevaluation categories
 Summary | Full Text:PDF(1.7MB)

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 assessmentwideband speechW-PESQartificial voice
 Summary | Full Text:PDF(803.7KB)

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 assessmentperceptual QoSartificial voiceecho characteristics
 Summary | Full Text:PDF(945.5KB)

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 searchmultiple sound sourcesmicrophone array
 Summary | Full Text:PDF(572.6KB)

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 reconstructionphotometric stereoskin surfacespecular reflection
 Summary | Full Text:PDF(2.9MB)