Tetsuya TAKIGUCHI


LLC Revisit: Scene Classification with k-Farthest Neighbours
Katsuyuki TANAKA Tetsuya TAKIGUCHI Yasuo ARIKI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2016/05/01
Vol. E99-D  No. 5  pp. 1375-1383
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
scene classificationbag-of-words
 Summary | Full Text:PDF(1013.3KB)

Noise-Robust Voice Conversion Based on Sparse Spectral Mapping Using Non-negative Matrix Factorization
Ryo AIHARA Ryoichi TAKASHIMA Tetsuya TAKIGUCHI Yasuo ARIKI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2014/06/01
Vol. E97-D  No. 6  pp. 1411-1418
Type of Manuscript:  Special Section PAPER (Special Section on Advances in Modeling for Real-world Speech Information Processing and its Application)
Category: Voice Conversion and Speech Enhancement
Keyword: 
voice conversionsparse representationnon-negative matrix factorizationnoise robustness
 Summary | Full Text:PDF(996.3KB)

Voice Conversion Based on Speaker-Dependent Restricted Boltzmann Machines
Toru NAKASHIKA Tetsuya TAKIGUCHI Yasuo ARIKI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2014/06/01
Vol. E97-D  No. 6  pp. 1403-1410
Type of Manuscript:  Special Section PAPER (Special Section on Advances in Modeling for Real-world Speech Information Processing and its Application)
Category: Voice Conversion and Speech Enhancement
Keyword: 
voice conversionrestricted Boltzmann machinedeep learningspeaker individuality
 Summary | Full Text:PDF(642.2KB)

Exemplar-Based Voice Conversion Using Sparse Representation in Noisy Environments
Ryoichi TAKASHIMA Tetsuya TAKIGUCHI Yasuo ARIKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/10/01
Vol. E96-A  No. 10  pp. 1946-1953
Type of Manuscript:  Special Section PAPER (Special Section on Sparsity-aware Signal Processing)
Category: 
Keyword: 
voice conversionexemplar-basedsparse codingnon-negative matrix factorizationnoise robustness
 Summary | Full Text:PDF(2.2MB)

Graph Cuts Segmentation by Using Local Texture Features of Multiresolution Analysis
Keita FUKUDA Tetsuya TAKIGUCHI Yasuo ARIKI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2009/07/01
Vol. E92-D  No. 7  pp. 1453-1461
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
image segmentationgraph cutsmultiresolution analysislocal texture feature
 Summary | Full Text:PDF(1.4MB)

Language Modeling Using PLSA-Based Topic HMM
Atsushi SAKO Tetsuya TAKIGUCHI Yasuo ARIKI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2008/03/01
Vol. E91-D  No. 3  pp. 522-528
Type of Manuscript:  Special Section PAPER (Special Section on Robust Speech Processing in Realistic Environments)
Category: Language Modeling
Keyword: 
language modeladaptationPLSAHMMautomatic speech recognition
 Summary | Full Text:PDF(460.7KB)

Acoustic Model Adaptation Using First-Order Linear Prediction for Reverberant Speech
Tetsuya TAKIGUCHI Masafumi NISHIMURA Yasuo ARIKI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/03/01
Vol. E89-D  No. 3  pp. 908-914
Type of Manuscript:  Special Section PAPER (Special Section on Statistical Modeling for Speech Processing)
Category: Speech Recognition
Keyword: 
acoustic modelreverberant speechadaptationhands-free speech recognition
 Summary | Full Text:PDF(551.8KB)

Improved HMM Separation for Distant-Talking Speech Recognition
Tetsuya TAKIGUCHI Masafumi NISHIMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/05/01
Vol. E87-D  No. 5  pp. 1127-1137
Type of Manuscript:  Special Section PAPER (Special Section on Speech Dynamics by Ear, Eye, Mouth and Machine)
Category: 
Keyword: 
distant-talking speech recognitionHMM separationreverberationnoise
 Summary | Full Text:PDF(1017.7KB)

Sound Source Localization Using a Profile Fitting Method with Sound Reflectors
Osamu ICHIKAWA Tetsuya TAKIGUCHI Masafumi NISHIMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/05/01
Vol. E87-D  No. 5  pp. 1138-1145
Type of Manuscript:  Special Section PAPER (Special Section on Speech Dynamics by Ear, Eye, Mouth and Machine)
Category: 
Keyword: 
sound source localizationmicrophone arraysound reflectorICTDICLD
 Summary | Full Text:PDF(1.2MB)

Speech Enhancement by Profile Fitting Method
Osamu ICHIKAWA Tetsuya TAKIGUCHI Masafumi NISHIMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/03/01
Vol. E86-D  No. 3  pp. 514-521
Type of Manuscript:  Special Section PAPER (Special Issue on Speech Information Processing)
Category: Robust Speech Recognition and Enhancement
Keyword: 
speech enhancementmicrophone arraybeamformernoise reductionspectral subtractionspeech recognition
 Summary | Full Text:PDF(840.5KB)