Hiroshi G. Okuno

教授(任期付)

  • 4121 Citations
  • 31 h-Index
1974 …2019
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Research Output 1974 2019

2012
4 Citations (Scopus)

Initialization-robust multipitch estimation based on latent harmonic allocation using overtone corpus

Sakaue, D., Itoyama, K., Ogata, T. & Okuno, H. G., 2012, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. p. 425-428 4 p. 6287907

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

Musical instruments
8 Citations (Scopus)

Live assessment of beat tracking for robot audition

Oliveira, J. L., Ince, G., Nakamura, K., Nakadai, K., Okuno, H. G., Reis, L. P. & Gouyon, F., 2012, IEEE International Conference on Intelligent Robots and Systems. p. 992-997 6 p. 6386100

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

Audition
Acoustics
Robots
Beamforming
Speech recognition
2 Citations (Scopus)

Self-organization of object features representing motion using Multiple Timescales Recurrent Neural Network

Nishide, S., Tani, J., Okuno, H. G. & Ogata, T., 2012, Proceedings of the International Joint Conference on Neural Networks. 6252714

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

Recurrent neural networks
Feature extraction
Cameras
Robots
Neural networks
1 Citation (Scopus)

Sound sources selection system by using onomatopoeic querries from multiple sound sources

Yamamura, Y., Takahashi, T., Ogata, T. & Okuno, H. G., 2012, IEEE International Conference on Intelligent Robots and Systems. p. 2364-2369 6 p. 6385765

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

Acoustic waves
Robots
Acoustics
Specifications
Communication
3 Citations (Scopus)

Statistical method of building dialect language models for ASR systems

Hirayama, N., Mori, S. & Okuno, H. G., 2012, 24th International Conference on Computational Linguistics - Proceedings of COLING 2012: Technical Papers. p. 1179-1194 16 p.

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

statistical method
Speech recognition
dialect
Transducers
Statistical methods
21 Citations (Scopus)

Tool-body assimilation of humanoid robot using a neurodynamical system

Nishide, S., Tani, J., Takahashi, T., Okuno, H. G. & Ogata, T., 2012, In : IEEE Transactions on Autonomous Mental Development. 4, 2, p. 139-149 11 p., 6095595.

Research output: Contribution to journalArticle

Robots
Recurrent neural networks
Feature extraction
Self organizing maps
Brain
12 Citations (Scopus)
emotions
music
robots
Robots
Robotics
4 Citations (Scopus)

Unified auditory functions based on Bayesian topic model

Otsuka, T., Ishiguro, K., Sawada, H. & Okuno, H. G., 2012, IEEE International Conference on Intelligent Robots and Systems. p. 2370-2376 7 p. 6385787

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

Acoustic waves
Robots
Source separation
Reverberation
Audition
7 Citations (Scopus)

Using speech data to recognize emotion in human gait

Lim, A. & Okuno, H. G., 2012, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Vol. 7559 LNCS. p. 52-64 13 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 7559 LNCS).

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

Gait
Modality
Emotion Recognition
Robots
Gait analysis
1 Citation (Scopus)

Who is the leader in a multiperson ensemble? - Multiperson human-robot ensemble model with leaderness - Multiperson h

Mizumoto, T., Ogata, T. & Okuno, H. G., 2012, IEEE International Conference on Intelligent Robots and Systems. p. 1413-1419 7 p. 6385782

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

Robots
Kalman filters
Synchronization
2011
18 Citations (Scopus)

A multi-expert model for dialogue and behavior control of conversational robots and agents

Nakano, M., Hasegawa, Y., Funakoshi, K., Takeuchi, J., Torii, T., Nakadai, K., Kanda, N., Komatani, K., Okuno, H. G. & Tsujino, H., 2011 Mar, In : Knowledge-Based Systems. 24, 2, p. 248-256 9 p.

Research output: Contribution to journalArticle

Robots
Robot
Switching models
Module
Charge
3 Citations (Scopus)

A musical mood trajectory estimation method using lyrics and acoustic features

Nishikawa, N., Itoyama, K., Fujihara, H., Goto, M., Ogata, T. & Okuno, H. G., 2011, MM'11 - Proceedings of the 2011 ACM Multimedia Conference and Co-Located Workshops - MIRUM 2011 Workshop, MIRUM'11. p. 51-56 6 p.

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

Acoustics
Trajectories
Linear regression
Regression analysis
Semantics
22 Citations (Scopus)

A two-stage domain selection framework for extensible multi-domain spoken dialogue systems

Nakano, M., Sato, S., Komatani, K., Matsuyama, K., Funakoshi, K. & Okuno, H. G., 2011, Proceedings of the SIGDIAL 2011 Conference: 12th Annual Meeting of the Special Interest Group on Discourse and Dialogue. p. 18-29 12 p.

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

Spoken Dialogue Systems
Speech recognition
Chemical activation
Continue
Experiments
8 Citations (Scopus)

Bayesian extension of MUSIC for sound source localization and tracking

Otsuka, T., Nakadai, K., Ogata, T. & Okuno, H. G., 2011, Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH. p. 3109-3112 4 p.

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

Source Localization
Acoustic waves
Scene Analysis
Speech Enhancement
Speech enhancement
85 Citations (Scopus)

Blind separation and dereverberation of speech mixtures by joint optimization

Yoshioka, T., Nakatani, T., Miyoshi, M. & Okuno, H. G., 2011, In : IEEE Transactions on Audio, Speech and Language Processing. 19, 1, p. 69-84 16 p., 5428853.

Research output: Contribution to journalArticle

Blind source separation
Reverberation
optimization
reverberation
matrices
2 Citations (Scopus)

Classification of known and unknown environmental sounds based on self-organized space using a recurrent neural network

Zhang, Y., Ogata, T., Nishide, S., Takahashi, T. & Okuno, H. G., 2011, In : Advanced Robotics. 25, 17, p. 2127-2141 15 p.

Research output: Contribution to journalArticle

Recurrent neural networks
Acoustic waves
Robots
Hardware
1 Citation (Scopus)

Cluster self-organization of known and unknown environmental sounds using recurrent neural network

Zhang, Y., Nishide, S., Takahashi, T., Okuno, H. G. & Ogata, T., 2011, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). PART 1 ed. Vol. 6791 LNCS. p. 167-175 9 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 6791 LNCS, no. PART 1).

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

Recurrent neural networks
Recurrent Neural Networks
Self-organization
Acoustic waves
Unknown
14 Citations (Scopus)

Complex and transitive synchronization in a frustrated system of calling frogs

Aihara, I., Takeda, R., Mizumoto, T., Otsuka, T., Takahashi, T., Okuno, H. G. & Aihara, K., 2011 Mar 21, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 83, 3, 031913.

Research output: Contribution to journalArticle

frogs
synchronism
Synchronization
Time Series Analysis
Coupled Oscillators
10 Citations (Scopus)

Converting emotional voice to motion for robot telepresence

Lim, A., Ogata, T. & Okuno, H. G., 2011, IEEE-RAS International Conference on Humanoid Robots. p. 472-479 8 p. 6100891

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

Robots
26 Citations (Scopus)

Design and implementation of selectable sound separation on the texai telepresence system using HARK

Mizumoto, T., Nakadai, K., Yoshida, T., Takeda, R., Otsuka, T., Takahashi, T. & Okuno, H. G., 2011, Proceedings - IEEE International Conference on Robotics and Automation. p. 2130-2137 8 p. 5979849

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

Acoustic waves
Microphones
Direction of arrival
Audition
Mathematical operators
23 Citations (Scopus)

Emergence of hierarchical structure mirroring linguistic composition in a recurrent neural network

Hinoshita, W., Arie, H., Tani, J., Okuno, H. G. & Ogata, T., 2011 May, In : Neural Networks. 24, 4, p. 311-320 10 p.

Research output: Contribution to journalArticle

Recurrent neural networks
Linguistics
Activation Analysis
Neurons
Chemical analysis
9 Citations (Scopus)

Environmental sound recognition for robot audition using matching-pursuit

Yamakawa, N., Takahashi, T., Kitahara, T., Ogata, T. & Okuno, H. G., 2011, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). PART 2 ed. Vol. 6704 LNAI. p. 1-10 10 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 6704 LNAI, no. PART 2).

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

Matching Pursuit
Audition
Robot
Acoustic waves
Robots

Fast and simple iterative algorithm of Lp-norm minimization for under-determined speech separation

Hirasawa, Y., Yasuraoka, N., Takahashi, T., Ogata, T. & Okuno, H. G., 2011, Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH. p. 1745-1748 4 p.

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

Lp-norm
Minimization Problem
Iterative Algorithm
Acoustic waves
Auxiliary Function
6 Citations (Scopus)

Handwriting prediction based character recognition using recurrent neural network

Nishide, S., Okuno, H. G., Ogata, T. & Tani, J., 2011, Conference Proceedings - IEEE International Conference on Systems, Man and Cybernetics. p. 2549-2554 6 p. 6084060

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

Character recognition
Recurrent neural networks
Brain
Experiments

Identification of self-body based on dynamic predictability using neuro-dynamical system

Nobuta, H., Nishide, S., Okuno, H. G. & Ogata, T., 2011, 2011 IEEE/SICE International Symposium on System Integration, SII 2011. p. 256-261 6 p. 6147456

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

Dynamical systems
Robots
End effectors
Recurrent neural networks
Experiments
8 Citations (Scopus)

I-divergence-based dereverberation method with auxiliary function approach

Yasuraoka, N., Kameoka, H., Yoshioka, T. & Okuno, H. G., 2011, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. p. 369-372 4 p. 5946417

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

Acoustic waves
Parameter estimation
8 Citations (Scopus)

Improvement of speaker localization by considering multipath interference of sound wave for binaural robot audition

Kim, U. H., Mizumoto, T., Ogata, T. & Okuno, H. G., 2011, IEEE International Conference on Intelligent Robots and Systems. p. 2910-2915 6 p. 6048364

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

Audition
Acoustic waves
Robots
Direction of arrival
Correlation methods
8 Citations (Scopus)

Incremental bayesian audio-to-score alignment with flexible harmonic structure models

Otsuka, T., Nakadai, K., Ogata, T. & Okuno, H. G., 2011, Proceedings of the 12th International Society for Music Information Retrieval Conference, ISMIR 2011. p. 525-530 6 p.

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

Model structures
Information retrieval
Harmonics
Alignment
Uncertainty
44 Citations (Scopus)

Lyric synchronizer: Automatic synchronization system between musical audio signals and lyrics

Fujihara, H., Goto, M., Ogata, J. & Okuno, H. G., 2011 Oct, In : IEEE Journal on Selected Topics in Signal Processing. 5, 6, p. 1252-1261 10 p., 5876296.

Research output: Contribution to journalArticle

Synchronization
Acoustic waves
Transcription
1 Citation (Scopus)

Machine audition technology that listens to multiple voiced speech at once

Okuno, H. G. & Nakadai, K., 2011, In : Journal of the Institute of Electrical Engineers of Japan. 131, 3, p. 159-163 5 p.

Research output: Contribution to journalArticle

Audition
10 Citations (Scopus)

Particle-filter based audio-visual beat-tracking for music robot ensemble with human guitarist

Itohara, T., Otsuka, T., Mizumoto, T., Ogata, T. & Okuno, H. G., 2011, IEEE International Conference on Intelligent Robots and Systems. p. 118-124 7 p. 6048380

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

Robots
Hough transforms
Optical flows
Pattern matching
Acoustics
11 Citations (Scopus)

Polyphonic audio-to-score alignment based on Bayesian latent harmonic allocation hidden Markov model

Maezawa, A., Okuno, H. G., Ogata, T. & Goto, M., 2011, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. p. 185-188 4 p. 5946371

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

Hidden Markov models
Reverberation
Maximum likelihood
1 Citation (Scopus)

Predicting listener back-channels for human-agent interaction using neuro-dynamical model

Sano, S., Nishide, S., Okuno, H. G. & Ogata, T., 2011, 2011 IEEE/SICE International Symposium on System Integration, SII 2011. p. 18-23 6 p. 6147412

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

Recurrent neural networks
Dynamical systems
Experiments
8 Citations (Scopus)

Publisher's Note: Complex and transitive synchronization in a frustrated system of calling frogs

Aihara, I., Takeda, R., Mizumoto, T., Otsuka, T., Takahashi, T., Okuno, H. G. & Aihara, K., 2011 Apr 25, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 83, 4, 049903.

Research output: Contribution to journalArticle

frogs
synchronism
Synchronization
22 Citations (Scopus)

Real-time audio-to-score alignment using particle filter for coplayer music robots

Otsuka, T., Nakadai, K., Takahashi, T., Ogata, T. & Okuno, H. G., 2011, In : Eurasip Journal on Advances in Signal Processing. 2011, 384651.

Research output: Contribution to journalArticle

Synchronization
Robots
Probability distributions
11 Citations (Scopus)

Robot audition: Missing feature theory approach and active audition

Okuno, H. G., Nakadai, K. & Kim, H. D., 2011, Springer Tracts in Advanced Robotics. STAR ed. Vol. 70. p. 227-244 18 p. (Springer Tracts in Advanced Robotics; vol. 70, no. STAR).

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

Audition
Robots
Microphones
Acoustic waves
Pitting

Robot with two ears listens to more than two simultaneous utterances by exploiting harmonic structures

Hirasawa, Y., Takahashi, T., Ogata, T. & Okuno, H. G., 2011, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). PART 1 ed. Vol. 6703 LNAI. p. 348-358 11 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 6703 LNAI, no. PART 1).

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

Harmonic
Robot
Acoustic waves
Robots
Speech recognition
10 Citations (Scopus)

Simultaneous processing of sound source separation and musical instrument identification using Bayesian spectral modeling

Itoyama, K., Goto, M., Komatani, K., Ogata, T. & Okuno, H. G., 2011, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. p. 3816-3819 4 p. 5947183

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

Musical instruments
Source separation
Acoustic waves
Processing
Identification (control systems)
13 Citations (Scopus)

Sound imaging of nocturnal animal calls in their natural habitat

Mizumoto, T., Aihara, I., Otsuka, T., Takeda, R., Aihara, K. & Okuno, H. G., 2011 Sep, In : Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology. 197, 9, p. 915-921 7 p.

Research output: Contribution to journalArticle

calling behavior
Lampyridae
frog
Anura
Fireflies
1 Citation (Scopus)

Towards written text recognition based on handwriting experiences using a recurrent neural network

Nishidea, S., Tanib, J., Okuno, H. G. & Ogataa, T., 2011, In : Advanced Robotics. 25, 17, p. 2173-2187 15 p.

Research output: Contribution to journalArticle

Recurrent neural networks
Brain
Self organizing maps
Neural networks
3 Citations (Scopus)

Use of a sparse structure to improve learning performance of recurrent neural networks

Awano, H., Nishide, S., Arie, H., Tani, J., Takahashi, T., Okuno, H. G. & Ogata, T., 2011, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). PART 3 ed. Vol. 7064 LNCS. p. 323-331 9 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 7064 LNCS, no. PART 3).

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

Recurrent neural networks
Recurrent Neural Networks
Backpropagation
Multiple Time Scales
Back Propagation
2010

A corpus-based analysis of coreferential recency effect in Japanese discourse for tracking dynamic topic

Shiramatsu, S., Ozono, T., Shintani, T. & Okuno, H. G., 2010, Proceedings - 9th IEEE/ACIS International Conference on Computer and Information Science, ICIS 2010. p. 645-650 6 p. 5590983

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

Linguistics
Statistical methods
54 Citations (Scopus)
information retrieval
music
Information retrieval
Acoustic waves
acoustics
3 Citations (Scopus)

Analyzing user utterances in barge-in-able spoken dialogue system for improving identification accuracy

Matsuyama, K., Komatani, K., Takeda, R., Takahashi, T., Ogata, T. & Okuno, H. G., 2010, Proceedings of the 11th Annual Conference of the International Speech Communication Association, INTERSPEECH 2010. p. 3050-3053 4 p.

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

Utterance
Spoken Dialogue Systems
Referential
Length
News
6 Citations (Scopus)

An improvement in audio-visual voice activity detection for automatic speech recognition

Yoshida, T., Nakadai, K. & Okuno, H. G., 2010, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). PART 1 ed. Vol. 6096 LNAI. p. 51-61 11 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 6096 LNAI, no. PART 1).

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

Voice Activity Detection
Automatic Speech Recognition
Speech recognition
Robot
Acoustic noise
3 Citations (Scopus)

An improvement in automatic speech recognition using soft missing feature masks for robot audition

Takahashi, T., Nakadai, K., Komatani, K., Ogata, T. & Okuno, H. G., 2010, IEEE/RSJ 2010 International Conference on Intelligent Robots and Systems, IROS 2010 - Conference Proceedings. p. 964-969 6 p. 5650540

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

Audition
Speech recognition
Masks
Robots
Experiments
2 Citations (Scopus)

Automatic allocation of training data for rapid prototyping of speech understanding based on multiple model combination

Komatani, K., Katsumaru, M., Nakano, M., Funakoshi, K., Ogata, T. & Okuno, H. G., 2010, Coling 2010 - 23rd International Conference on Computational Linguistics, Proceedings of the Conference. Vol. 2. p. 579-587 9 p.

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

Rapid prototyping
Speech recognition
Statistical methods
Logistics
statistical method
137 Citations (Scopus)

Design and implementation of robot audition system 'HARK' - Open source software for listening to three simultaneous speakers

Nakadai, K., Takahashi, T., Okuno, H. G., Nakajima, H., Hasegawa, Y. & Tsujino, H., 2010 Apr 14, In : Advanced Robotics. 24, 5-6, p. 739-761 23 p.

Research output: Contribution to journalArticle

Audition
Acoustic waves
Robots
Source separation
Speech recognition
6 Citations (Scopus)

Design and implementation of two-level synchronization for an interactive music robot

Otsuka, T., Nakadai, K., Takahashi, T., Komatanj, K., Ogata, T. & Okuno, H. G., 2010, Proceedings of the National Conference on Artificial Intelligence. Vol. 2. p. 1238-1244 7 p.

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

Synchronization
Robots
Switches
Probability distributions
Experiments
10 Citations (Scopus)

Effects of modelling within- and between-frame temporal variations in power spectra on non-verbal sound recognition

Yamakawa, N., Kitahara, T., Takahashi, T., Komatani, K., Ogata, T. & Okuno, H. G., 2010, Proceedings of the 11th Annual Conference of the International Speech Communication Association, INTERSPEECH 2010. p. 2342-2345 4 p.

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

Wavelet Analysis
Modeling
Sound
Research
Hidden Markov Model