Kentaro Ishizuka

According to our database, Kentaro Ishizuka authored at least 30 papers between 1998 and 2010.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2010

Speech Activity Detection for Multi-Party Conversation Analyses Based on Likelihood Ratio Test on Spatial Magnitude.

Kentaro Ishizuka, Shoko Araki, Tatsuya Kawahara

IEEE Trans. Speech Audio Process., 2010

Noise robust voice activity detection based on periodic to aperiodic component ratio.

Kentaro Ishizuka, Tomohiro Nakatani, Masakiyo Fujimoto, Noboru Miyazaki

Speech Commun., 2010

2009

A study of mutual front-end processing method based on statistical model for noise robust speech recognition.

Masakiyo Fujimoto, Kentaro Ishizuka, Tomohiro Nakatani

Proceedings of the 10th Annual Conference of the International Speech Communication Association, 2009

Realtime meeting analysis and 3D meeting viewer based on omnidirectional multimodal sensors.

Kazuhiro Otsuka, Shoko Araki, Dan Mikami, Kentaro Ishizuka, Masakiyo Fujimoto, Junji Yamato

Proceedings of the 11th International Conference on Multimodal Interfaces, 2009

A speaker diarization method based on the probabilistic fusion of audio-visual location information.

Kentaro Ishizuka, Shoko Araki, Kazuhiro Otsuka, Tomohiro Nakatani, Masakiyo Fujimoto

Proceedings of the 11th International Conference on Multimodal Interfaces, 2009

2008

Voice activity detection based on adjustable linear prediction and GARCH models.

Hiroko Kato Solvang, Kentaro Ishizuka, Masakiyo Fujimoto

Speech Commun., 2008

A method for fundamental frequency estimation and voicing decision: Application to infant utterances recorded in real acoustical environments.

Tomohiro Nakatani, Shigeaki Amano, Toshio Irino, Kentaro Ishizuka, Tadahisa Kondo

Speech Commun., 2008

Noise Robust Voice Activity Detection Based on Switching Kalman Filter.

Masakiyo Fujimoto, Kentaro Ishizuka

IEICE Trans. Inf. Syst., 2008

Multi-modal recording, analysis and indexing of poster sessions.

Tatsuya Kawahara, Hisao Setoguchi, Katsuya Takanashi, Kentaro Ishizuka, Shoko Araki

Proceedings of the 9th Annual Conference of the International Speech Communication Association, 2008

Statistical speech activity detection based on spatial power distribution for analyses of poster presentations.

Kentaro Ishizuka, Shoko Araki, Tatsuya Kawahara

Proceedings of the 9th Annual Conference of the International Speech Communication Association, 2008

Study of integration of statistical model-based voice activity detection and noise suppression.

Masakiyo Fujimoto, Kentaro Ishizuka, Tomohiro Nakatani

Proceedings of the 9th Annual Conference of the International Speech Communication Association, 2008

A realtime multimodal system for analyzing group meetings by combining face pose tracking and speaker diarization.

Kazuhiro Otsuka, Shoko Araki, Kentaro Ishizuka, Masakiyo Fujimoto, Martin Heinrich, Junji Yamato

Proceedings of the 10th International Conference on Multimodal Interfaces, 2008

A voice activity detection based on the adaptive integration of multiple speech features and a signal decision scheme.

Masakiyo Fujimoto, Kentaro Ishizuka, Tomohiro Nakatani

Proceedings of the IEEE International Conference on Acoustics, 2008

Speaker indexing and speech enhancement in real meetings / conversations.

Shoko Araki, Masakiyo Fujimoto, Kentaro Ishizuka, Hiroshi Sawada, Shoji Makino

Proceedings of the IEEE International Conference on Acoustics, 2008

2007

Noise robust front-end processing with voice activity detection based on periodic to aperiodic component ratio.

Kentaro Ishizuka, Tomohiro Nakatani, Masakiyo Fujimoto, Noboru Miyazaki

Proceedings of the 8th Annual Conference of the International Speech Communication Association, 2007

The world of mushrooms: human-computer interaction prototype systems for ambient intelligence.

Yasuhiro Minami, Minako Sawaki, Kohji Dohsaka, Ryuichiro Higashinaka, Kentaro Ishizuka, Hideki Isozaki, Tatsushi Matsubayashi, Masato Miyoshi, Atsushi Nakamura, Takanobu Oba, Hiroshi Sawada, Takeshi Yamada, Eisaku Maeda

Proceedings of the 9th International Conference on Multimodal Interfaces, 2007

Two-Microphone Voice Activity Detection Based on the Homogeneity of the Direction of Arrival Estimates.

Juan E. Rubio, Kentaro Ishizuka, Hiroshi Sawada, Shoko Araki, Tomohiro Nakatani, Masakiyo Fujimoto

Proceedings of the IEEE International Conference on Acoustics, 2007

Noise Robust Voice Activity Detection Based on Statistical Model and Parallel Non-Linear Kalman Filtering.

Masakiyo Fujimoto, Kentaro Ishizuka, Hiroko Kato Solvang

Proceedings of the IEEE International Conference on Acoustics, 2007

2006

A feature extraction method using subband based periodicity and aperiodicity decomposition with noise robust frontend processing for automatic speech recognition.

Kentaro Ishizuka, Tomohiro Nakatani

Speech Commun., 2006

Study of noise robust voice activity detection based on periodic component to aperiodic component ratio.

Kentaro Ishizuka, Tomohiro Nakatani

Proceedings of the ISCA Tutorial and Research Workshop on Statistical and Perceptual Audition, 2006

A Feature for Voice Activity Detection Derived from Speech Analysis with the Exponential Autoregressive Model.

Kentaro Ishizuka, Hiroko Kato Solvang

Proceedings of the 2006 IEEE International Conference on Acoustics Speech and Signal Processing, 2006

2005

A longitudinal analysis of the spectral peaks of vowels for a Japanese infant.

Kentaro Ishizuka, Ryoko Mugitani, Hiroko Kato Solvang, Shigeaki Amano

Proceedings of the 9th European Conference on Speech Communication and Technology, 2005

Speech Signal Analysis with Exponential Autoregressive Model.

Kentaro Ishizuka, Hiroko Kato Solvang, Tomohiro Nakatani

Proceedings of the 2005 IEEE International Conference on Acoustics, 2005

2004

Fundamental Frequency Estimation for Noisy Speech Using Entropy-Weighted Periodic and Harmonic Features.

Yuichi Ishimoto, Kentaro Ishizuka, Kiyoaki Aikawa, Masato Akagi

IEICE Trans. Inf. Syst., 2004

Improvement in robustness of speech feature extraction method using sub-band based periodicity and aperiodicity decomposition.

Kentaro Ishizuka, Noboru Miyazaki, Tomohiro Nakatani, Yasuhiro Minami

Proceedings of the 8th International Conference on Spoken Language Processing, 2004

Speech feature extraction method representing periodicity and aperiodicity in sub bands for robust speech recognition.

Kentaro Ishizuka, Noboru Miyazaki

Proceedings of the 2004 IEEE International Conference on Acoustics, 2004

2002

Effect of F0 fluctuation and amplitude modulation of natural vowels on vowel identification in noisy environments.

Kentaro Ishizuka, Kiyoaki Aikawa

Proceedings of the 7th International Conference on Spoken Language Processing, ICSLP2002, 2002

Noise-robust speech recognition using a new spectral estimation method "PHASOR".

Kiyoaki Aikawa, Kentaro Ishizuka

Proceedings of the IEEE International Conference on Acoustics, 2002

2000

A Live Video Imaging Method for Capturing Presentation Information in Distance Learning.

Yoshinari Kameda, Kentaro Ishizuka, Michihiko Minoh

Proceedings of the 2000 IEEE International Conference on Multimedia and Expo, 2000

1998

Speaking-style dependent lexicalized filler model for key-phrase detection and verification.

Tatsuya Kawahara, Kentaro Ishizuka, Shuji Doshita, Chin-Hui Lee

Proceedings of the 5th International Conference on Spoken Language Processing, Incorporating The 7th Australian International Speech Science and Technology Conference, Sydney Convention Centre, Sydney, Australia, 30th November, 1998