Akio KOBAYASHI


Risk-Based Semi-Supervised Discriminative Language Modeling for Broadcast Transcription
Akio KOBAYASHI Takahiro OKU Toru IMAI Seiichi NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/11/01
Vol. E95-D  No. 11  pp. 2674-2681
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
discriminative trainingsemi-supervised traininglanguage modelingBayes risk minimization
 Summary | Full Text:PDF(263.5KB)

Learning Speech Variability in Discriminative Acoustic Model Adaptation
Shoei SATO Takahiro OKU Shinichi HOMMA Akio KOBAYASHI Toru IMAI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/09/01
Vol. E93-D  No. 9  pp. 2370-2378
Type of Manuscript:  Special Section PAPER (Special Section on Processing Natural Speech Variability for Improved Verbal Human-Computer Interaction)
Category: Adaptation
Keyword: 
speech recognitionspeech variabilitydiscriminative trainingacoustic model
 Summary | Full Text:PDF(666.8KB)

Mutual Information Based Dynamic Integration of Multiple Feature Streams for Robust Real-Time LVCSR
Shoei SATO Akio KOBAYASHI Kazuo ONOE Shinichi HOMMA Toru IMAI Tohru TAKAGI Tetsunori KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2008/03/01
Vol. E91-D  No. 3  pp. 815-824
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
speech recognitionstream integrationentropymutual informationactive hypotheses
 Summary | Full Text:PDF(777.1KB)

Bi-Spectral Acoustic Features for Robust Speech Recognition
Kazuo ONOE Shoei SATO Shinichi HOMMA Akio KOBAYASHI Toru IMAI Tohru TAKAGI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2008/03/01
Vol. E91-D  No. 3  pp. 631-634
Type of Manuscript:  Special Section LETTER (Special Section on Robust Speech Processing in Realistic Environments)
Category: 
Keyword: 
bi-spectrum non-Gaussianityphase informationspeech recognition
 Summary | Full Text:PDF(394.2KB)

Online Speech Detection and Dual-Gender Speech Recognition for Captioning Broadcast News
Toru IMAI Shoei SATO Shinichi HOMMA Kazuo ONOE Akio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2007/08/01
Vol. E90-D  No. 8  pp. 1286-1291
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
speech recognitionspeech detectiongender identificationlow latencybroadcast captioning
 Summary | Full Text:PDF(454.4KB)

Word Error Rate Minimization Using an Integrated Confidence Measure
Akio KOBAYASHI Kazuo ONOE Shinichi HOMMA Shoei SATO Toru IMAI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2007/05/01
Vol. E90-D  No. 5  pp. 835-843
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
word error rate minimizationmaximum entropysupport vector machinesn-best rescoring
 Summary | Full Text:PDF(341.8KB)

Robust Speech Recognition by Using Compensated Acoustic Scores
Shoei SATO Kazuo ONOE Akio KOBAYASHI Toru IMAI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/03/01
Vol. E89-D  No. 3  pp. 915-921
Type of Manuscript:  Special Section PAPER (Special Section on Statistical Modeling for Speech Processing)
Category: Speech Recognition
Keyword: 
speech recognitionnoisy environmentacoustic score
 Summary | Full Text:PDF(307.5KB)

Simultaneous Subtitling System for Broadcast News Programs with a Speech Recognizer
Akio ANDO Toru IMAI Akio KOBAYASHI Shinich HOMMA Jun GOTO Nobumasa SEIYAMA Takeshi MISHIMA Takeshi KOBAYAKAWA Shoei SATO Kazuo ONOE Hiroyuki SEGI Atsushi IMAI Atsushi MATSUI Akira NAKAMURA Hideki TANAKA Tohru TAKAGI Eiichi MIYASAKA Haruo ISONO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/01/01
Vol. E86-D  No. 1  pp. 15-25
Type of Manuscript:  INVITED PAPER (Special Issue on the 2001 IEICE Excellent Paper Award)
Category: 
Keyword: 
closed-caption service for news programspeech recognitionrecognition error correctionreal-time processingsystem in the practical use
 Summary | Full Text:PDF(1.1MB)