Hiroshi G. Okuno

教授(任期付)

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

2012

Infinite sparse factor analysis for blind source separation in reverberant environments

Nagira, K., Otsuka, T. & Okuno, H. G., 2012, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Vol. 7626 LNCS. p. 638-647 10 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 7626 LNCS).

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

Blind source separation
Blind Source Separation
Factor analysis
Factor Analysis
Permutation
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
2013
22 Citations (Scopus)

A real-time super-resolution robot audition system that improves the robustness of simultaneous speech recognition

Nakamura, K., Nakadai, K. & Okuno, H. G., 2013 Aug 1, In : Advanced Robotics. 27, 12, p. 933-945 13 p.

Research output: Contribution to journalArticle

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

A speaker diarization system with robust speaker localization and voice activity detection

Huang, Y., Otsuka, T. & Okuno, H. G., 2013, Studies in Computational Intelligence. Vol. 489. p. 77-82 6 p. (Studies in Computational Intelligence; vol. 489).

Research output: Chapter in Book/Report/Conference proceedingChapter

Direction of arrival
Human robot interaction
8 Citations (Scopus)

Audio-based guitar tablature transcription using multipitch analysis and playability constraints

Yazawa, K., Sakaue, D., Nagira, K., Itoyama, K. & Okuno, H. G., 2013 Oct 18, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. p. 196-200 5 p. 6637636

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

Transcription
Dynamic programming
Acoustic waves
Experiments
1 Citation (Scopus)

Automatic estimation of dialect mixing ratio for dialect speech recognition

Hirayama, N., Yoshino, K., Itoyama, K., Mori, S. & Okuno, H. G., 2013, Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH. International Speech and Communication Association, p. 1492-1496 5 p.

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

Speech Recognition
Speech recognition
Automatic Speech Recognition
Language Model
Updating
21 Citations (Scopus)

Developmental human-robot imitation learning of drawing with a neuro dynamical system

Mochizuki, K., Nishide, S., Okuno, H. G. & Ogata, T., 2013, Proceedings - 2013 IEEE International Conference on Systems, Man, and Cybernetics, SMC 2013. p. 2336-2341 6 p. 6722152

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

Robot learning
Dynamical systems
Robots
Recurrent neural networks
Experiments
6 Citations (Scopus)

Hands-free human-robot communication robust to speaker's radial position

Gomez, R., Nakamura, K., Nakadai, K., Kim, U. H., Okuno, H. G. & Kawahara, T., 2013, Proceedings - IEEE International Conference on Robotics and Automation. p. 4329-4334 6 p. 6631190

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

End effectors
Transfer functions
Speech recognition
Robots
Communication
7 Citations (Scopus)

Improved binaural sound localization and tracking for unknown time-varying number of speakers

Kim, U. H. & Okuno, H. G., 2013 Jul, In : Advanced Robotics. 27, 15, p. 1161-1173 13 p.

Research output: Contribution to journalArticle

Acoustic waves
Robots
Correlation methods
Audition
Microphones
6 Citations (Scopus)

Improved sound source localization and front-back disambiguation for humanoid robots with two ears

Kim, U. H., Nakadai, K. & Okuno, H. G., 2013, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Vol. 7906 LNAI. p. 282-291 10 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 7906 LNAI).

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

Source Localization
Humanoid Robot
Acoustic waves
Robots
Cross-correlation

Initialization-robust Bayesian multipitch analyzer based on psychoacoustical and musical criteria

Sakaue, D., Otsuka, T., Itoyama, K. & Okuno, H. G., 2013 Oct 18, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. p. 226-230 5 p. 6637642

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

Factorization
Sampling
9 Citations (Scopus)

Integration of behaviors and languages with a hierarchal structure self-organized in a neuro-dynamical model

Ogata, T. & Okuno, H. G., 2013, Proceedings of the 2013 IEEE Workshop on Robotic Intelligence in Informationally Structured Space, RiiSS 2013 - 2013 IEEE Symposium Series on Computational Intelligence, SSCI 2013. p. 89-95 7 p. 6607934

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

Semantics
Robots
Electric grounding
Brain

Learning and association of synaesthesia phenomenon using deep neural networks

Yamaguchi, Y., Noda, K., Nishide, S., Okuno, H. G. & Ogata, T., 2013, 2013 IEEE/SICE International Symposium on System Integration, SII 2013. IEEE Computer Society, p. 659-664 6 p. 6776750

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

Robots
Image compression
Experiments
Deep neural networks
Acoustic waves
1 Citation (Scopus)

Multiple index combination for Japanese spoken term detection with optimum index selection based on OOV-region classifier

Kanda, N., Itoyama, K. & Okuno, H. G., 2013 Oct 18, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. p. 8540-8544 5 p. 6639332

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

Classifiers
36 Citations (Scopus)

Noise correlation matrix estimation for improving sound source localization by multirotor UAV

Furukawa, K., Okutani, K., Nagira, K., Otsuka, T., Itoyama, K., Nakadai, K. & Okuno, H. G., 2013, IEEE International Conference on Intelligent Robots and Systems. p. 3943-3948 6 p. 6696920

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

Unmanned aerial vehicles (UAV)
Acoustic noise
Acoustic waves
Rotors
Decomposition
1 Citation (Scopus)
factor analysis
Blind source separation
permutations
Factor analysis
ambiguity
11 Citations (Scopus)

Posture estimation of hose-shaped robot using microphone array localization

Bando, Y., Mizumoto, T., Itoyama, K., Nakadai, K. & Okuno, H. G., 2013, IEEE International Conference on Intelligent Robots and Systems. p. 3446-3451 6 p. 6696847

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

Hose
Microphones
Robots
Loudspeakers
Anechoic chambers

Robust localization and tracking of multiple speakers in real environments for binaural robot audition

Kim, U. H. & Okuno, H. G., 2013, International Workshop on Image Analysis for Multimedia Interactive Services. 6616137

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

Audition
Robots
Clustering algorithms
Correlation methods
Acoustic waves

Robust multipitch analyzer against initialization based on latent harmonic allocation using overtone corpus

Sakaue, D., Itoyama, K., Ogata, T. & Okuno, H. G., 2013 Apr, In : Journal of Information Processing. 21, 2, p. 246-255 10 p.

Research output: Contribution to journalArticle

Musical instruments
Frequency estimation
9 Citations (Scopus)

Solving Google's continuous audio CAPTCHA with HMM-based automatic speech recognition

Sano, S., Otsuka, T. & Okuno, H. G., 2013, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Vol. 8231 LNCS. p. 36-52 17 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 8231 LNCS).

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

Automatic Speech Recognition
Hidden Markov models
Speech recognition
Web services
Markov Model
2014

Applying intrinsic motivation for visuomotor learning of robot arm motion

Nishide, S., Nobuta, H., Okuno, H. G. & Ogata, T., 2014, 2014 11th International Conference on Ubiquitous Robots and Ambient Intelligence, URAI 2014. Institute of Electrical and Electronics Engineers Inc., p. 364-367 4 p. 7057370

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

Robots
Recurrent neural networks
Backpropagation
Experiments
Cameras
2 Citations (Scopus)

A sound-based online method for estimating the time-varying posture of a hose-shaped robot

Bando, Y., Itoyama, K., Konyo, M., Tadokoro, S., Nakadai, K., Yoshii, K. & Okuno, H. G., 2014 Jan 21, 12th IEEE International Symposium on Safety, Security and Rescue Robotics, SSRR 2014 - Symposium Proceedings. Institute of Electrical and Electronics Engineers Inc., 7017665

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

Hose
Acoustic waves
Robots
Microphones
Loudspeakers
2 Citations (Scopus)

Audio part mixture alignment based on hierarchical nonparametric Bayesian model of musical audio sequence collection

Maezawa, A. & Okuno, H. G., 2014, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 5212-5216 5 p. 6854597

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

Decomposition
Hidden Markov models
12 Citations (Scopus)

Automatic transcription of guitar tablature from audio signals in accordance with player's proficiency

Yazawa, K., Itoyama, K. & Okuno, H. G., 2014, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 3122-3126 5 p. 6854175

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

Transcription
Dynamic programming
Tuning
Experiments
4 Citations (Scopus)

Bayesian audio alignment based on a unified generative model of music composition and performance

Maezawa, A., Itoyama, K., Yoshii, K. & Okuno, H. G., 2014 Jan 1, p. 233-238. 6 p.

Research output: Contribution to conferencePaper

Hidden Markov models
Chemical analysis
Acoustics
Music Composition
Music Performance
31 Citations (Scopus)

Bayesian nonparametrics for microphone array processing

Otsuka, T., Ishiguro, K., Sawada, H. & Okuno, H. G., 2014, In : IEEE Transactions on Audio, Speech and Language Processing. 22, 2, p. 493-504 12 p.

Research output: Contribution to journalArticle

Array processing
Microphones
microphones
Acoustic waves
acoustics
2 Citations (Scopus)

Developing robot emotions through interaction with caregivers

Lim, A. & Okuno, H. G., 2014 Nov 30, Handbook of Research on Synthesizing Human Emotion in Intelligent Systems and Robotics. IGI Global, p. 316-337 22 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Robots
Mirrors
Robotics
Hot Temperature
4 Citations (Scopus)

Development of a robot quizmaster with auditory functions for speech-based multiparty interaction

Nishimuta, I., Yoshii, K., Itoyama, K. & Okuno, H. G., 2014 Jan 30, 2014 IEEE/SICE International Symposium on System Integration, SII 2014. Institute of Electrical and Electronics Engineers Inc., p. 328-333 6 p. 7028059

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

Robots
Microphones
Audition
Wear of materials
Audition
Robustness (control systems)
Speech recognition
Robotics
Robots
15 Citations (Scopus)

Improved sound source localization in horizontal plane for binaural robot audition

Kim, U. H., Nakadai, K. & Okuno, H. G., 2014, In : Applied Intelligence. 42, 1, p. 63-74 12 p.

Research output: Contribution to journalArticle

Audition
Acoustic waves
Robots
Amplification
Time delay
13 Citations (Scopus)

Insertion of pause in drawing from babbling for robot's developmental imitation learning

Nishide, S., Mochizuki, K., Okuno, H. G. & Ogata, T., 2014 Sep 22, Proceedings - IEEE International Conference on Robotics and Automation. Institute of Electrical and Electronics Engineers Inc., p. 4785-4791 7 p. 6907559

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

Robots
Robot learning
Teaching
33 Citations (Scopus)

Lipreading using convolutional neural network

Noda, K., Yamaguchi, Y., Nakadai, K., Okuno, H. G. & Ogata, T., 2014, Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH. International Speech and Communication Association, p. 1149-1153 5 p.

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

Speech recognition
Neural Networks
Neural networks
Feature extraction
Labels
1 Citation (Scopus)

Making a robot dance to diverse musical genre in noisy environments

Oliveira, J. L., Nakamura, K., Langlois, T., Gouyon, F., Nakadai, K., Lim, A., Reis, L. P. & Okuno, H. G., 2014 Oct 31, IEEE International Conference on Intelligent Robots and Systems. Institute of Electrical and Electronics Engineers Inc., p. 1896-1901 6 p. 6942812

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

Robots
Acoustics
Intelligent robots
Source separation
Audition
9 Citations (Scopus)

Multichannel sound source dereverberation and separation for arbitrary number of sources based on Bayesian nonparametrics

Otsuka, T., Ishiguro, K., Yoshioka, T., Sawada, H. & Okuno, H. G., 2014 Dec 1, In : IEEE/ACM Transactions on Speech and Language Processing. 22, 12, p. 2218-2232 15 p., 6926796.

Research output: Contribution to journalArticle

Bayesian Nonparametrics
Uncertainty
Acoustic waves
uncertainty
Microphones
5 Citations (Scopus)

Nonparametric bayesian dereverberation of power spectrograms based on infinite-order autoregressive processes

Maezawa, A., Itoyama, K., Yoshii, K. & Okuno, H. G., 2014 Dec 1, In : IEEE/ACM Transactions on Speech and Language Processing. 22, 12, p. 1918-1930 13 p., 6894190.

Research output: Contribution to journalArticle

autoregressive processes
Spectrogram
Bayesian Nonparametrics
spectrograms
Autoregressive Process
2 Citations (Scopus)

Parameter estimation of virtual musical instrument synthesizers

Itoyama, K. & Okuno, H. G., 2014, Proceedings - 40th International Computer Music Conference, ICMC 2014 and 11th Sound and Music Computing Conference, SMC 2014 - Music Technology Meets Philosophy: From Digital Echos to Virtual Ethos. National and Kapodistrian University of Athens, p. 1426-1431 6 p.

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

Musical instruments
Parameter estimation
Acoustics
Acoustic waves
Acoustic noise
1 Citation (Scopus)

Sound annotation tool for multidirectional sounds based on spatial information extracted by HARK robot audition software

Sugiyama, O., Itoyama, K., Nakada, K. & Okuno, H. G., 2014, Conference Proceedings - IEEE International Conference on Systems, Man and Cybernetics. January ed. Institute of Electrical and Electronics Engineers Inc., Vol. 2014-January. p. 2335-2340 6 p. 6974275

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

Audition
Acoustic waves
Robots
Microphones
Labeling
26 Citations (Scopus)

Spatio-temporal dynamics in collective frog choruses examined by mathematical modeling and field observations

Aihara, I., Mizumoto, T., Otsuka, T., Awano, H., Nagira, K., Okuno, H. G. & Aihara, K., 2014 Jan 27, In : Scientific Reports. 4, 3891.

Research output: Contribution to journalArticle

frog
breeding site
modeling
simulation
imaging method
4 Citations (Scopus)
Robots
Sensors
Factor analysis
18 Citations (Scopus)

The MEI robot: Towards using motherese to develop multimodal emotional intelligence

Lim, A. & Okuno, H. G., 2014, In : IEEE Transactions on Autonomous Mental Development. 6, 2, p. 126-138 13 p., 6798757.

Research output: Contribution to journalArticle

Robots
Display devices
Controllers
Experiments
3 Citations (Scopus)

Transcribing vocal expression from polyphonic music

Ikemiya, Y., Itoyama, K. & Okuno, H. G., 2014, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 3127-3131 5 p. 6854176

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

Viterbi algorithm
Speech synthesis
Experiments