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IEICE Trans

Masakiyo FUJIMOTO

Integration of Spatial Cue-Based Noise Reduction and Speech Model-Based Source Restoration for Real Time Speech Enhancement
Tomoko KAWASE Kenta NIWA Masakiyo FUJIMOTO Kazunori KOBAYASHI Shoko ARAKI Tomohiro NAKATANI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2017/05/01
Vol. E100-A  No. 5  pp. 1127-1136
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
microphone array, beamforming (BF), power spectral density (PSD) estimation, Gaussian mixture model, Wiener filtering, 
 Summary | Full Text:PDF
Acoustic Event Detection in Speech Overlapping Scenarios Based on High-Resolution Spectral Input and Deep Learning
Miquel ESPI Masakiyo FUJIMOTO Tomohiro NAKATANI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/10/01
Vol. E98-D  No. 10  pp. 1799-1807
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
acoustic event detection/recognition, high-resolution feature, spectrogram patch, communication scene understanding, 
 Summary | Full Text:PDF
Noise Robust Voice Activity Detection Based on Switching Kalman Filter
Masakiyo FUJIMOTO Kentaro ISHIZUKA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2008/03/01
Vol. E91-D  No. 3  pp. 467-477
Type of Manuscript:  Special Section PAPER (Special Section on Robust Speech Processing in Realistic Environments)
Category: Voice Activity Detection
Keyword: 
voice activity detection, statistical model, switching Kalman filter, noisy environment, CENSREC-1-C, 
 Summary | Full Text:PDF
CENSREC-3: An Evaluation Framework for Japanese Speech Recognition in Real Car-Driving Environments
Masakiyo FUJIMOTO Kazuya TAKEDA Satoshi NAKAMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/11/01
Vol. E89-D  No. 11  pp. 2783-2793
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
noisy speech recognition, common evaluation framework, in-car speech database, CENSREC-3, 
 Summary | Full Text:PDF
A Non-stationary Noise Suppression Method Based on Particle Filtering and Polyak Averaging
Masakiyo FUJIMOTO Satoshi NAKAMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/03/01
Vol. E89-D  No. 3  pp. 922-930
Type of Manuscript:  Special Section PAPER (Special Section on Statistical Modeling for Speech Processing)
Category: Speech Recognition
Keyword: 
noisy speech recognition, non-stationary noise, sequential estimation, particle filter, Polyak averaging and feedback, 
 Summary | Full Text:PDF
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 recognition, evaluation platform, performance differences over speakers, evaluation categories, 
 Summary | Full Text:PDF