• 220 Citations
  • 7 h-Index
20022019

Research output per year

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Research Output

  • 220 Citations
  • 7 h-Index
  • 33 Conference contribution
  • 13 Article
  • 12 Conference article
  • 4 Paper
2002

Generalization of state-observation-dependency in Partly Hidden Markov Models

Ogawa, T. & Kobayashi, T., 2002 Jan 1, p. 2673-2676. 4 p.

Research output: Contribution to conferencePaper

3 Citations (Scopus)
2003
2 Citations (Scopus)

Speech recognition of double talk using SAFIA-based audio segregation

Sekiya, T., Ogawa, T. & Kobayashi, T., 2003, EUROSPEECH 2003 - 8th European Conference on Speech Communication and Technology. International Speech Communication Association, p. 1285-1288 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2004

Recognition of three simultaneous utterance of speech by four-line directivity microphone mounted on head of robot

Mochiki, N., Sekiya, T., Ogawa, T. & Kobayashi, T., 2004, 8th International Conference on Spoken Language Processing, ICSLP 2004. International Speech Communication Association, p. 821-824 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)
2005
1 Citation (Scopus)
1 Citation (Scopus)

Optimizing the structure of partly-hidden Markov models using weighted likelihood-ratio maximization criterion

Ogawa, T. & Kobayashi, T., 2005 Dec 1, p. 3353-3356. 4 p.

Research output: Contribution to conferencePaper

2006

A method for solving the permutation problem of frequency-domain BSS using reference signal

Isa, T., Sekiya, T., Ogawa, T. & Kobayashi, T., 2006 Dec 1, In : European Signal Processing Conference.

Research output: Contribution to journalConference article

1 Citation (Scopus)
2 Citations (Scopus)

Manifold HLDA and its application to robust speech recognition

Kubo, T., Ogawa, T. & Kobayashi, T., 2006 Jan 1, INTERSPEECH 2006 and 9th International Conference on Spoken Language Processing, INTERSPEECH 2006 - ICSLP. International Speech Communication Association, p. 1551-1554 4 p. (INTERSPEECH 2006 and 9th International Conference on Spoken Language Processing, INTERSPEECH 2006 - ICSLP; vol. 3).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Source separation using multiple directivity patterns produced by ICA-based BSS

Isa, T., Sekiya, T., Ogawa, T. & Kobayashi, T., 2006 Dec 1, In : European Signal Processing Conference.

Research output: Contribution to journalConference article

2007

Adequacy analysis of simulation-based assessment of speech recognition system

Ogawa, T., Kanba, S. & Kobayashi, T., 2007 Aug 6, 2007 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP '07. p. IV1153-IV1156 4218310. (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings; vol. 4).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)
3 Citations (Scopus)

Sound source separation using null-beamforming and spectral subtraction for mobile devices

Takada, S., Kanba, S., Ogawa, T., Akagiri, K. & Kobayashi, T., 2007 Dec 1, 2007 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA. p. 30-33 4 p. 4393006. (IEEE Workshop on Applications of Signal Processing to Audio and Acoustics).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)
2008

CENSREC-4: Development of evaluation framework for distant-talking speech recognition under reverberant environments

Nakayama, M., Nishiura, T., Denda, Y., Kitaoka, N., Yamamoto, K., Yamada, T., Tsuge, S., Miyajima, C., Fujimoto, M., Takiguchi, T., Tamura, S., Ogawa, T., Matsuda, S., Kuroiwa, S., Takeda, K. & Nakamura, S., 2008 Dec 1, In : Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH. p. 968-971 4 p.

Research output: Contribution to journalConference article

24 Citations (Scopus)

Class distance weighted locality preserving projection for automatic age estimation

Ueki, K., Miya, M., Ogawa, T. & Kobayashi, T., 2008 Dec 1, BTAS 2008 - IEEE 2nd International Conference on Biometrics: Theory, Applications and Systems. 4699380. (BTAS 2008 - IEEE 2nd International Conference on Biometrics: Theory, Applications and Systems).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)
3 Citations (Scopus)

Ears of the robot: Noise reduction using four-line ultra-micro omni-directional microphones mounted on a robot head

Ogawa, T., Takeuchi, H., Takada, S., Akagiri, K. & Kobayashi, T., 2008 Dec 1, In : European Signal Processing Conference.

Research output: Contribution to journalConference article

1 Citation (Scopus)

Speech enhancement using square microphone array for mobile devices

Takada, S., Ogawa, T., Akagiri, K. & Kobayashi, T., 2008 Sep 16, 2008 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP. p. 313-316 4 p. 4517609. (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)
2009

CENSREC-1-C: An evaluation framework for voice activity detection under noisy environments

Kitaoka, N., Yamada, T., Tsuge, S., Miyajima, C., Yamamoto, K., Nishiura, T., Nakayama, M., Denda, Y., Fujimoto, M., Takiguchi, T., Tamura, S., Matsuda, S., Ogawa, T., Kuroiwa, S., Takeda, K. & Nakamura, S., 2009 Sep 21, In : Acoustical Science and Technology. 30, 5, p. 363-371 9 p.

Research output: Contribution to journalArticle

25 Citations (Scopus)

Direction-of-arrival estimation under noisy condition using four-line omni-directional microphones mounted on a robot head

Ogawa, T., Hosoya, K., Akagiri, K. & Kobayashi, T., 2009 Dec 1, In : European Signal Processing Conference. p. 879-883 5 p.

Research output: Contribution to journalConference article

4 Citations (Scopus)

Robot auditory system using head-mounted square microphone array

Hosoya, K., Ogawa, T. & Kobayashi, T., 2009 Dec 11, 2009 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS 2009. p. 2736-2741 6 p. 5354090. (2009 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS 2009).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)
2010

Development of zonal beam former and its application to robot audition

Tanaka, N., Ogawa, T., Akagiri, K. & Kobayashi, T., 2010 Dec 1, In : European Signal Processing Conference. p. 1529-1533 5 p.

Research output: Contribution to journalConference article

2 Citations (Scopus)
3 Citations (Scopus)
2011

CENSREC-4: An evaluation framework for distant-talking speech recognition in reverberant environments

Fukumori, T., Nishiura, T., Nakayama, M., Denda, Y., Kitaoka, N., Yamada, T., Yamamoto, K., Tsuge, S., Fujimoto, M., Takiguchi, T., Miyajima, C., Tamura, S., Ogawa, T., Matsuda, S., Kuroiwa, S., Takeda, K. & Nakamura, S., 2011 Sep 12, In : Acoustical Science and Technology. 32, 5, p. 201-210 10 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Development and evaluation of Japanese Lombard speech corpus

Ogawa, T., Nishiura, T., Yamada, T., Kitaoka, N. & Kobayashi, T., 2011 Dec 1, 40th International Congress and Exposition on Noise Control Engineering 2011, INTER-NOISE 2011. p. 1366-1373 8 p. (40th International Congress and Exposition on Noise Control Engineering 2011, INTER-NOISE 2011; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)
6 Citations (Scopus)

Speaker recognition using multiple kernel learning based on conditional entropy minimization

Ogawa, T., Hino, H., Reyhani, N., Murata, N. & Kobayashi, T., 2011 Aug 18, 2011 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2011 - Proceedings. p. 2204-2207 4 p. 5946918. (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)
1 Citation (Scopus)
2012

An improved entropy-based multiple kernel learning

Hino, H. & Ogawa, T., 2012 Dec 1, ICPR 2012 - 21st International Conference on Pattern Recognition. p. 1189-1192 4 p. 6460350. (Proceedings - International Conference on Pattern Recognition).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fully Bayesian inference of multi-mixture Gaussian model and its evaluation using speaker clustering

Tawara, N., Ogawa, T., Watanabe, S. & Kobayashi, T., 2012 Oct 23, 2012 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2012 - Proceedings. p. 5253-5256 4 p. 6289105. (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

Fully Bayesian speaker clustering based on hierarchically structured utterance-oriented Dirichlet process mixture model

Tawara, N., Ogawa, T., Watanabe, S., Nakamura, A. & Kobayashi, T., 2012 Dec 1, 13th Annual Conference of the International Speech Communication Association 2012, INTERSPEECH 2012. p. 2163-2166 4 p. (13th Annual Conference of the International Speech Communication Association 2012, INTERSPEECH 2012; vol. 3).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)
2013

Blocked Gibbs sampling based multi-scale mixture model for speaker clustering on noisy data

Tawara, N., Ogawa, T., Watanabe, S., Nakamura, A. & Kobayashi, T., 2013 Dec 1, 2013 IEEE International Workshop on Machine Learning for Signal Processing - Proceedings of MLSP 2013. 6661902. (IEEE International Workshop on Machine Learning for Signal Processing, MLSP).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Integration of MKL-based and I-vector-based speaker verification by short utterances

Hino, H. & Ogawa, T., 2013 Jan 1, p. 562-566. 5 p.

Research output: Contribution to conferencePaper

1 Citation (Scopus)
5 Citations (Scopus)

Vision based SLAM for humanoid robots: A survey

Gouda, W., Gomaa, W. & Ogawa, T., 2013 Jan 1, p. 170-175. 6 p.

Research output: Contribution to conferencePaper

8 Citations (Scopus)
2014

Effect of frequency weighting on MLP-based speaker canonicalization

Kubota, Y., Omachi, M., Ogawa, T., Kobayashi, T. & Nitta, T., 2014 Jan 1, In : Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH. p. 2987-2991 5 p.

Research output: Contribution to journalConference article

2015

A comparative study of spectral clustering for i-vector-based speaker clustering under noisy conditions

Tawara, N., Ogawa, T. & Kobayashi, T., 2015 Aug 4, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 2015-August. p. 2041-2045 5 p. 7178329

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Autoencoder based multi-stream combination for noise robust speech recognition

Mallidi, S. H., Ogawa, T., Vesely, K., Nidadavolu, P. S. & Hermansky, H., 2015, Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH. International Speech and Communication Association, Vol. 2015-January. p. 3551-3555 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

14 Citations (Scopus)

Bilinear map of filter-bank outputs for DNN-based speech recognition

Ogawa, T., Ueda, K., Katsurada, K., Kobayashi, T. & Nitta, T., 2015, Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH. International Speech and Communication Association, Vol. 2015-January. p. 16-20 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Feature extraction for rotary machine acoustic diagnostics focused on periodic period

Minemura, K., Ogawa, T. & Kobayashi, T., 2015, INTER-NOISE 2015 - 44th International Congress and Exposition on Noise Control Engineering. The Institute of Noise Control Engineering of the USA, Inc.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Separation matrix optimization using associative memory model for blind source separation

Omachi, M., Ogawa, T., Kobayashi, T., Fujieda, M. & Katagiri, K., 2015 Dec 22, 2015 23rd European Signal Processing Conference, EUSIPCO 2015. Institute of Electrical and Electronics Engineers Inc., p. 1098-1102 5 p. 7362553

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Towards machines that know when they do not know: Summary of work done at 2014 Frederick Jelinek Memorial Workshop

Hermansky, H., Burget, L., Cohen, J., Dupoux, E., Feldman, N., Godfrey, J., Khudanpur, S., Maciejewski, M., Mallidi, S. H., Menon, A., Ogawa, T., Peddinti, V., Rose, R., Stern, R., Wiesner, M. & Veselý, K., 2015 Aug 4, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 2015-August. p. 5009-5013 5 p. 7178924

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)
2016

A new efficient measure for accuracy prediction and its application to multistream-based unsupervised adaptation

Ogawa, T., Mallidi, S. H., Dupoux, E., Cohen, J., Feldman, N. H. & Hermansky, H., 2016 Jan 1, 2016 23rd International Conference on Pattern Recognition, ICPR 2016. Institute of Electrical and Electronics Engineers Inc., p. 2222-2227 6 p. 7899966. (Proceedings - International Conference on Pattern Recognition; vol. 0).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Uncertainty estimation of DNN classifiers

Mallidi, S. H., Ogawa, T. & Hermansky, H., 2016 Feb 10, 2015 IEEE Workshop on Automatic Speech Recognition and Understanding, ASRU 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 283-288 6 p. 7404806

Research output: Chapter in Book/Report/Conference proceedingConference contribution

19 Citations (Scopus)

Video semantic indexing using object detection-derived features

Kikuchi, K., Ueki, K., Ogawa, T. & Kobayashi, T., 2016 Nov 28, 2016 24th European Signal Processing Conference, EUSIPCO 2016. European Signal Processing Conference, EUSIPCO, p. 1288-1292 5 p. 7760456. (European Signal Processing Conference; vol. 2016-November).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)