Makoto SAKAI


Acoustic Feature Transformation Combining Average and Maximum Classification Error Minimization Criteria
Makoto SAKAI Norihide KITAOKA Kazuya TAKEDA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/07/01
Vol. E93-D  No. 7  pp. 2005-2008
Type of Manuscript:  LETTER
Category: Speech and Hearing
Keyword: 
speech recognitiondimensionality reductionBayes error
 Summary | Full Text:PDF(131.9KB)

Acoustic Feature Transformation Based on Discriminant Analysis Preserving Local Structure for Speech Recognition
Makoto SAKAI Norihide KITAOKA Kazuya TAKEDA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/05/01
Vol. E93-D  No. 5  pp. 1244-1252
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
speech recognitionfeature extractionmultidimensional signal processing
 Summary | Full Text:PDF(214.2KB)

Evaluation of Combinational Use of Discriminant Analysis-Based Acoustic Feature Transformation and Discriminative Training
Makoto SAKAI Norihide KITAOKA Yuya HATTORI Seiichi NAKAGAWA Kazuya TAKEDA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/02/01
Vol. E93-D  No. 2  pp. 395-398
Type of Manuscript:  LETTER
Category: Speech and Hearing
Keyword: 
speech recognitionfeature extractiondiscriminative training
 Summary | Full Text:PDF(78.2KB)

Linear Discriminant Analysis Using a Generalized Mean of Class Covariances and Its Application to Speech Recognition
Makoto SAKAI Norihide KITAOKA Seiichi NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2008/03/01
Vol. E91-D  No. 3  pp. 478-487
Type of Manuscript:  Special Section PAPER (Special Section on Robust Speech Processing in Realistic Environments)
Category: Feature Extraction
Keyword: 
speech recognitionfeature extractionmultidimensional signal processing
 Summary | Full Text:PDF(421.5KB)