Fumitada ITAKURA


Multichannel Speech Enhancement Based on Generalized Gamma Prior Distribution with Its Online Adaptive Estimation
Tran HUY DAT Kazuya TAKEDA Fumitada ITAKURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2008/03/01
Vol. E91-D  No. 3  pp. 439-447
Type of Manuscript:  Special Section PAPER (Special Section on Robust Speech Processing in Realistic Environments)
Category: Speech Enhancement
Keyword: 
multi-channel speech enhancementspeech recognitiongeneralized gamma distributionmoment matching
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Single-Channel Multiple Regression for In-Car Speech Enhancement
Weifeng LI Katsunobu ITOU Kazuya TAKEDA Fumitada ITAKURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/03/01
Vol. E89-D  No. 3  pp. 1032-1039
Type of Manuscript:  Special Section PAPER (Special Section on Statistical Modeling for Speech Processing)
Category: Speech Enhancement
Keyword: 
speech enhancementspeech recognitionmulti-layer perceptronmean opinion scorepairwise preference testenvironmental adaptationK-means clustering
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Gamma Modeling of Speech Power and Its On-Line Estimation for Statistical Speech Enhancement
Tran Huy DAT Kazuya TAKEDA Fumitada ITAKURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/03/01
Vol. E89-D  No. 3  pp. 1040-1049
Type of Manuscript:  Special Section PAPER (Special Section on Statistical Modeling for Speech Processing)
Category: Speech Enhancement
Keyword: 
speech enhancementspeech recognitiongamma modelingfourth-order momentMMSEMAPspectral magnitudepowerlog-spectral magnitude
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Driver Identification Using Driving Behavior Signals
Toshihiro WAKITA Koji OZAWA Chiyomi MIYAJIMA Kei IGARASHI Katunobu ITOU Kazuya TAKEDA Fumitada ITAKURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/03/01
Vol. E89-D  No. 3  pp. 1188-1194
Type of Manuscript:  PAPER
Category: Human-computer Interaction
Keyword: 
driving behaviorsignal processingpattern recognitionbiometrics
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Adaptive Nonlinear Regression Using Multiple Distributed Microphones for In-Car Speech Recognition
Weifeng LI Chiyomi MIYAJIMA Takanori NISHINO Katsunobu ITOU Kazuya TAKEDA Fumitada ITAKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/07/01
Vol. E88-A  No. 7  pp. 1716-1723
Type of Manuscript:  Special Section PAPER (Special Section on Multi-channel Acoustic Signal Processing)
Category: Speech Enhancement
Keyword: 
speech recognitionsupport vector machinemulti-layer perceptronsignal-to-deviation ratioK-means clusteringadaptive beamforming
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Speech Recognition Using Finger Tapping Timings
Hiromitsu BAN Chiyomi MIYAJIMA Katsunobu ITOU Kazuya TAKEDA Fumitada ITAKURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/03/01
Vol. E88-D  No. 3  pp. 667-670
Type of Manuscript:  LETTER
Category: Speech and Hearing
Keyword: 
multi-modal speech recognitionhuman behavioral synchronization
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CIAIR In-Car Speech Corpus--Influence of Driving Status--
Nobuo KAWAGUCHI Shigeki MATSUBARA Kazuya TAKEDA Fumitada ITAKURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/03/01
Vol. E88-D  No. 3  pp. 578-582
Type of Manuscript:  Special Section LETTER (Special Section on Corpus-Based Speech Technologies)
Category: 
Keyword: 
speech corpusin-car speechITS
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Multiple Regression of Log Spectra for In-Car Speech Recognition Using Multiple Distributed Microphones
Weifeng LI Tetsuya SHINDE Hiroshi FUJIMURA Chiyomi MIYAJIMA Takanori NISHINO Katunobu ITOU Kazuya TAKEDA Fumitada ITAKURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/03/01
Vol. E88-D  No. 3  pp. 384-390
Type of Manuscript:  Special Section PAPER (Special Section on Corpus-Based Speech Technologies)
Category: Feature Extraction and Acoustic Medelings
Keyword: 
speech recognitionmicrophone arraysadaptive beamformingsignal-to-deviation ratiomultiple regression
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Construction and Evaluation of a Large In-Car Speech Corpus
Kazuya TAKEDA Hiroshi FUJIMURA Katsunobu ITOU Nobuo KAWAGUCHI Shigeki MATSUBARA Fumitada ITAKURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/03/01
Vol. E88-D  No. 3  pp. 553-561
Type of Manuscript:  Special Section PAPER (Special Section on Corpus-Based Speech Technologies)
Category: Speech Corpora and Related Topics
Keyword: 
speech corpusin-car speech recognitionperplexitySNR
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Direction of Arrival Estimation Using Nonlinear Microphone Array
Hidekazu KAMIYANAGIDA Hiroshi SARUWATARI Kazuya TAKEDA Fumitada ITAKURA Kiyohiro SHIKANO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/04/01
Vol. E84-A  No. 4  pp. 999-1010
Type of Manuscript:  Special Section PAPER (Special Section on Acoustic Signal Processing)
Category: 
Keyword: 
nonlinear array signal processingmicrophone arrayDOA estimationcomplementary beamforming
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Speech Enhancement Using Nonlinear Microphone Array Based on Noise Adaptive Complementary Beamforming
Hiroshi SARUWATARI Shoji KAJITA Kazuya TAKEDA Fumitada ITAKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/05/25
Vol. E83-A  No. 5  pp. 866-876
Type of Manuscript:  PAPER
Category: Engineering Acoustics
Keyword: 
speech enhancementmicrophone arraycomplementary beamformingnoise adaptationspectral subtraction
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Speech Enhancement Using Nonlinear Microphone Array Based on Complementary Beamforming
Hiroshi SARUWATARI Shoji KAJITA Kazuya TAKEDA Fumitada ITAKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/08/25
Vol. E82-A  No. 8  pp. 1501-1510
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
speech enhancementmicrophone arraycomplementary beamformingspectral subtractionspeech recognition
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Noise Robust Speech Recognition Using Subband-Crosscorrelation Analysis
Shoji KAJITA Kazuya TAKEDA Fumitada ITAKURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1998/10/25
Vol. E81-D  No. 10  pp. 1079-1086
Type of Manuscript:  PAPER
Category: Speech Processing and Acoustics
Keyword: 
subband processingautocorrelationcrosscorrelationnoise robustnessDTW word recognition
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An Acoustically Oriented Vocal-Tract Model
Hani C. YEHIA Kazuya TAKEDA Fumitada ITAKURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1996/08/25
Vol. E79-D  No. 8  pp. 1198-1208
Type of Manuscript:  PAPER
Category: Speech Processing and Acoustics
Keyword: 
vocal-tract log-area functionformant frequenciesfactor analysisindependent component analysissingular value decompositionarticulatory-to-acoustic inverse problem
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Realization of Acoustic Inverse Filtering through Multi-Microphone Sub-Band Processing
Hong WANG Fumitada ITAKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1992/11/25
Vol. E75-A  No. 11  pp. 1474-1483
Type of Manuscript:  Special Section PAPER (Special Section on Acoustic System Modeling and Signal Processing)
Category: 
Keyword: 
acoustic inverse filtermulti-microphonesub-band processing
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Dereverberation of Speech Signals Based on Sub-Band Envelope Estimation
Hong WANG Fumitada ITAKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1991/11/25
Vol. E74-A  No. 11  pp. 3576-3583
Type of Manuscript:  PAPER
Category: Acoustics
Keyword: 
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