Hiroshi G. Okuno

教授(任期付)

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

2005
49 Citations (Scopus)

Enhanced robot speech recognition based on microphone array source separation and missing feature theory

Yamamoto, S., Valin, J. M., Nakadai, K., Rouat, J., Michaud, F., Ogata, T. & Okuno, H. G., 2005, Proceedings - IEEE International Conference on Robotics and Automation. Vol. 2005. p. 1477-1482 6 p. 1570323

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

Source separation
Microphones
Speech recognition
Acoustic waves
Robots
15 Citations (Scopus)

Extracting multi-modal dynamics of objects using RNNPB

Ogata, T., Ohba, H., Tani, J., Komatani, K. & Okuno, H. G., 2005, 2005 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS. p. 160-165 6 p. 1544975

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

Recurrent neural networks
Robots
Neurons
Trajectories
Acoustic waves
6 Citations (Scopus)

Implementation of active direction-pass filter on dynamically reconfigurable processor

Kurotaki, S., Suzuki, N., Nakadai, K., Okuno, H. G. & Amano, H., 2005, 2005 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS. p. 515-520 6 p. 1545033

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

Acoustic waves
Source separation
Robots
Microphones
Speech recognition
14 Citations (Scopus)

Instrument identification in polyphonic music: Feature weighting with mixed sounds, pitch-dependent timbre modeling, and use of musical context

Kitahara, T., Goto, M., Komatani, K., Ogata, T. & Okuno, H. G., 2005, ISMIR 2005 - 6th International Conference on Music Information Retrieval. p. 558-563 6 p.

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

Musical instruments
Acoustic waves
Discriminant analysis
Normal distribution
Information retrieval
16 Citations (Scopus)

INTER: D: A drum sound equalizer for controlling volume and timbre of drums

Yoshii, K., Goto, M. & Okuno, H. G., 2005, IET Seminar Digest. 11099 ed. Vol. 2005. p. 205-212 8 p.

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

Equalizers
Acoustic waves
Audio signal processing
Density (specific gravity)
Frequency bands
29 Citations (Scopus)

Making a robot recognize three simultaneous sentences in real-time

Yamamoto, SI., Nakadai, K., Valin, J. M., Rouat, J., Michaud, F., Komatani, K., Ogata, T. & Okuno, H. G., 2005, 2005 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS. p. 897-902 6 p. 1545094

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

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

Multiple moving speaker tracking by microphone array on mobile robot

Murase, M., Yamamoto, S., Valin, J. M., Nakadai, K., Yamada, K., Komatani, K., Ogata, T. & Okuno, H. G., 2005, 9th European Conference on Speech Communication and Technology. p. 249-252 4 p.

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

Microphones
Mobile robots
Acoustic waves
Kalman filters
Source separation
16 Citations (Scopus)

Pitch-dependent identification of musical instrument sounds

Kitahara, T., Goto, M. & Okuno, H. G., 2005 Dec, In : Applied Intelligence. 23, 3, p. 267-275 9 p.

Research output: Contribution to journalArticle

Musical instruments
Acoustic waves
Normal distribution
Acoustics
44 Citations (Scopus)

Singer identification based on accompaniment sound reduction and reliable frame selection

Fujihara, H., Kitahara, T., Goto, M., Komatani, K., Ogata, T. & Okuno, H. G., 2005, ISMIR 2005 - 6th International Conference on Music Information Retrieval. p. 329-336 8 p.

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

Acoustic waves
Computer music
Information retrieval systems
Sound
Accompaniment
2 Citations (Scopus)
Acoustic waves
14 Citations (Scopus)

Spatially mapping of friendliness for human-robot interaction

Tasaki, T., Komatani, K., Ogata, T. & Okuno, H. G., 2005, 2005 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS. p. 521-526 6 p. 1545034

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

Human robot interaction
Robots
Museums
28 Citations (Scopus)

User modeling in spoken dialogue systems to generate flexible guidance

Komatani, K., Ueno, S., Kawahara, T. & Okuno, H. G., 2005 Mar, In : User Modelling and User-Adapted Interaction. 15, 1, p. 169-183 15 p.

Research output: Contribution to journalArticle

communication technology
Decision trees
Information systems
dialogue
information system

Walking with body-sense in virtual space using the nonlinear oscillator

Kodaka, K., Ogata, T. & Okuno, H. G., 2005, Conference Proceedings - IEEE International Conference on Systems, Man and Cybernetics. Vol. 1. p. 324-329 6 p.

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

Systems analysis
Display devices
Feedback
Costs
Experiments
2004
19 Citations (Scopus)

Assessment of general applicability of robot audition system by recognizing three simultaneous speeches

Yamamoto, S., Nakadai, K., Tsujino, H. & Okuno, H. G., 2004, 2004 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS). Vol. 3. p. 2111-2116 6 p.

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

Audition
Robots
Speech recognition
Masks
Acoustic waves
10 Citations (Scopus)

Automatic sound-imitation word recognition from environmental sounds focusing on ambiguity problem in determining phonemes

Ishihara, K., Nakatani, T., Ogata, T. & Okuno, H. G., 2004, Lecture Notes in Artificial Intelligence (Subseries of Lecture Notes in Computer Science). Zhang, C., Guesgen, H. W. & Yeap, W. K. (eds.). Vol. 3157. p. 909-918 10 p.

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

Acoustic waves
Hidden Markov models
Human computer interaction
Experiments
4 Citations (Scopus)

Belief network based disambiguation of object reference in spoken dialogue system

Yamakata, Y., Kawahara, T., Okuno, H. G. & Minoh, M., 2004, In : Transactions of the Japanese Society for Artificial Intelligence. 19, 1, p. 47-56 10 p.

Research output: Contribution to journalArticle

Bayesian networks
Robots
Coffee
Image recognition
Experiments
6 Citations (Scopus)

Category-level identification of non-registered musical instrument sounds

Kitahara, T., Goto, M. & Okuno, H. G., 2004, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. Vol. 4.

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

Musical instruments
Acoustic waves
acoustics
hierarchies
education
11 Citations (Scopus)

Comparing features for forming music streams in automatic music transcription

Sakuraba, Y., Kitahara, T. & Okuno, H. G., 2004, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. Vol. 4.

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

Musical instruments
music
Timber
Transcription
proximity
14 Citations (Scopus)

Computational Auditory Scene Analysis and Its Application to Robot Audition

Okuno, H. G., Ogata, T., Komatani, K. & Nakadai, K., 2004, Proceedings - International Conference on Informatics Research for Development of Knowledge Society Infrastructure, ICKS 2004. Ibaraki, T., Inui, T. & Tanaka, K. (eds.). p. 73-80 8 p.

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

Audition
Acoustic waves
Robots
Microphones
Source separation
4 Citations (Scopus)

Disambiguation in determining phonemes of sound-imitation words for environmental sound recognition

Ishihara, K., Hattori, Y., Nakatani, T., Komatani, K., Ogata, T. & Okuno, H. G., 2004, 8th International Conference on Spoken Language Processing, ICSLP 2004. International Speech Communication Association, p. 1485-1488 4 p.

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

imitation
listener
Group
event
Sound
17 Citations (Scopus)

Dynamic communication of humanoid robot with multiple people based on interaction distance

Tasaki, T., Matsumoto, S., Ohba, H., Toda, M., Komatani, K., Ogata, T. & Okuno, H. G., 2004, Proceedings - IEEE International Workshop on Robot and Human Interactive Communication. p. 71-76 6 p.

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

Robots
Communication
Human robot interaction
Demonstrations

Effects of increasing modalities in recognizing three simultaneous speeches

Okuno, H. G., Nakadai, K. & Kitano, H., 2004 Sep, In : Speech Communication. 43, 4 SPEC. ISS., p. 347-359 13 p.

Research output: Contribution to journalArticle

Microphones
Modality
Independent Component Analysis
Head
Filter
44 Citations (Scopus)

Improvement of recognition of simultaneous speech signals using AV integration and scattering theory for humanoid robots

Nakadai, K., Matsuura, D., Okuno, H. G. & Tsujino, H., 2004 Oct, In : Speech Communication. 44, 1-4 SPEC. ISS., p. 97-112 16 p.

Research output: Contribution to journalArticle

Humanoid Robot
Speech Signal
Scattering Theory
robot
Acoustic waves
23 Citations (Scopus)

Improvement of robot audition by interfacing sound source separation and automatic speech recognition with missing feature theory

Yamamoto, S., Nakadai, K., Tsujino, H., Yokoyama, T. & Okuno, H. G., 2004, Proceedings - IEEE International Conference on Robotics and Automation. 2 ed. Vol. 2004. p. 1517-1523 7 p.

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

Source separation
Audition
Speech recognition
Acoustic waves
Robots

Incremental methods to select test sentences for evaluating translation ability

Akiba, Y., Sumita, E., Nakaiwa, H., Yamamoto, S. & Okuno, H. G., 2004 Jan 1, Proceedings of the 4th International Conference on Language Resources and Evaluation, LREC 2004. European Language Resources Association (ELRA), p. 2015-2018 4 p.

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

ability
programming
language
Test Methods
Correlation Coefficient

Preface

Orchard, B., Yang, C., Matwin, S., Ali, M., Loganantharaj, R., Okuno, H. G., Downs, S. & Lin, F., 2004, In : Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). 3029, p. V-VI

Research output: Contribution to journalArticle

2 Citations (Scopus)

Recognition of emotional states in spoken dialogue with a robot

Komatani, K., Ito, R., Kawahara, T. & Okuno, H. G., 2004, Lecture Notes in Artificial Intelligence (Subseries of Lecture Notes in Computer Science). Orchard, B., Yang, C. & Ali, M. (eds.). Vol. 3029. p. 413-423 11 p.

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

Classifiers
Robots
Decision trees
Learning algorithms
Support vector machines
7 Citations (Scopus)

Repeat recognition for environmental sounds

Hattori, Y., Ishihara, K., Komatani, K., Ogata, T. & Okuno, H. G., 2004, Proceedings - IEEE International Workshop on Robot and Human Interactive Communication. p. 83-88 6 p.

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

Acoustic waves

Robot motion control using listener's back-channels and head gesture information

Tasaki, T., Yamaguchi, T., Komatani, K., Ogata, T. & Okuno, H. G., 2004, 8th International Conference on Spoken Language Processing, ICSLP 2004. International Speech Communication Association, p. 1033-1036 4 p.

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

robot
listener
dialogue
Listeners
Robot
15 Citations (Scopus)

Sound and visual tracking for humanoid robot

Okuno, H. G., Nakadai, K., Lourens, T. & Kitano, H., 2004 May, In : Applied Intelligence. 20, 3, p. 253-266 14 p.

Research output: Contribution to journalArticle

Acoustic waves
Robots
Audition
Mobile robots
Processing
2003
61 Citations (Scopus)

Applying Scattering Theory to Robot Audition System: Robust Sound Source Localization and Extraction

Nakadai, K., Matsuura, D., Okuno, H. G. & Kitano, H., 2003, IEEE International Conference on Intelligent Robots and Systems. Vol. 2. p. 1147-1152 6 p.

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

Audition
Transfer functions
Acoustic waves
Robots
Scattering
16 Citations (Scopus)

Automatic transformation of environmental sounds into sound-imitation words based on Japanese syllable structure

Ishihara, K., Tsubota, Y. & Okuno, H. G., 2003, EUROSPEECH 2003 - 8th European Conference on Speech Communication and Technology. International Speech Communication Association, p. 3185-3188 4 p.

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

imitation
Acoustic waves
listener
cultural history
experiment
1 Citation (Scopus)

Design and implementation of personality of humanoids in human humanoid non-verbal interaction

Okuno, H. G., Nakadai, K. & Kitano, H., 2003, Lecture Notes in Artificial Intelligence (Subseries of Lecture Notes in Computer Science). Chung, P. W. H., Hinde, C. & Ali, M. (eds.). Vol. 2718. p. 662-673 12 p.

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

Robots
Acoustic waves
Audition
Testbeds
11 Citations (Scopus)

Human-robot non-verbal interaction empowered by real-time auditory and visual multiple-talker tracking

Okuno, H. G., Nakadai, K., Hidai, K. I., Mizoguchi, H. & Kitano, H., 2003, In : Advanced Robotics. 17, 2, p. 115-130 16 p.

Research output: Contribution to journalArticle

Acoustic waves
Robots
Speech recognition
Human robot interaction
Speech synthesis
1 Citation (Scopus)

Issues in humanoid audition and sound source localization by active audition

Nakadai, K., Okuno, H. G. & Kitano, H., 2003, In : Transactions of the Japanese Society for Artificial Intelligence. 18, 2, p. 104-113 10 p.

Research output: Contribution to journalArticle

Audition
Acoustic waves
Microphones
Acoustic noise
Acoustics
31 Citations (Scopus)

Musical instrument identification based on F0-dependent multivariate normal distribution

Kitahara, T., Goto, M. & Okuno, H. G., 2003, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. Vol. 5. p. 421-424 4 p.

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

Musical instruments
Normal distribution
normal density functions
Acoustic waves
acoustics
2 Citations (Scopus)

Pitch-dependent musical instrument identification and its application to musical sound ontology

Kitahara, T., Goto, M. & Okuno, H. G., 2003, Lecture Notes in Artificial Intelligence (Subseries of Lecture Notes in Computer Science). Chung, P. W. H., Hinde, C. & Ali, M. (eds.). Vol. 2718. p. 112-122 11 p.

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

Musical instruments
Ontology
Acoustic waves
Normal distribution
Human computer interaction
3 Citations (Scopus)

Privacy-enhanced SPKI access control on PKIX and its application to Web server

Saito, T., Umesawa, K., Kito, T. & Okuno, H. G., 2003, Proceedings - International Conference on Advanced Information Networking and Applications, AINA. Institute of Electrical and Electronics Engineers Inc., Vol. 2003-January. p. 696-703 8 p. 1192970

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

Access control
Servers
Authentication
8 Citations (Scopus)

Realizing personality in audio-visually triggered non-verbal behaviors

Okuno, H. G., Nakadai, K. & Kitano, H., 2003, Proceedings - IEEE International Conference on Robotics and Automation. Vol. 1. p. 392-397 6 p.

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

Robots
Acoustic waves
Audition
Testbeds
5 Citations (Scopus)
Sound Localization
Source Separation
Source Localization
Acoustic waves
Real-time
31 Citations (Scopus)

Robot recognizes three simultaneous speech by active audition

Nakadai, K., Okuno, H. G. & Kitano, H., 2003, Proceedings - IEEE International Conference on Robotics and Automation. Vol. 1. p. 398-405 8 p.

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

Audition
Acoustic waves
Robots
Speech recognition
Acoustics
1 Citation (Scopus)

Three simultaneous speech recognition by integration of active audition and face recognition for humanoid

Nakadai, K., Matsuura, D., Okuno, H. G. & Tsujino, H., 2003, EUROSPEECH 2003 - 8th European Conference on Speech Communication and Technology. International Speech Communication Association, p. 2705-2708 4 p.

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

Audition
Face recognition
Speech recognition
Acoustic waves
Microphones
9 Citations (Scopus)

User modeling in spoken dialogue systems for flexible guidance generation

Komatani, K., Ueno, S., Kawahara, T. & Okuno, H. G., 2003, EUROSPEECH 2003 - 8th European Conference on Speech Communication and Technology. International Speech Communication Association, p. 745-748 4 p.

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

communication technology
Decision trees
Information systems
dialogue
information system
2002

Auditory fovea based speech enchancement and its application to human-robot dialog system

Nakadai, K., Okuno, H. G. & Kitano, H., 2002, 7th International Conference on Spoken Language Processing, ICSLP 2002. International Speech Communication Association, p. 1817-1820 4 p.

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

robot
communication technology
acoustics
Sound
Hearing
14 Citations (Scopus)

Auditory fovea based speech separation and its application to dialog system

Nakadai, K., Okuno, H. G. & Kitano, H., 2002, IEEE International Conference on Intelligent Robots and Systems. Vol. 2. p. 1320-1325 6 p.

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

Acoustic waves
Speech recognition
Robots
Source separation
Hidden Markov models
4 Citations (Scopus)

Belief Network based disambiguation of object reference in spoken dialogue system for robot

Yamakata, Y., Kawahara, T. & Okuno, H. G., 2002, 7th International Conference on Spoken Language Processing, ICSLP 2002. International Speech Communication Association, p. 177-180 4 p.

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

robot
communication technology
Disambiguation
Robot
Spoken Dialogue Systems
13 Citations (Scopus)

Exploiting auditory fovea in humanoid-human interaction

Nakadai, K., Okuno, H. G. & Kitano, H., 2002, Proceedings of the National Conference on Artificial Intelligence. p. 431-438 8 p.

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

Acoustic waves
Processing
Robots
Source separation
Reverberation
9 Citations (Scopus)

Realizing audio-visually triggered Eliza-like non-verbal behaviors

Okuno, H. G., Nakadai, K. & Kitano, H., 2002, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Springer Verlag, Vol. 2417. p. 552-562 11 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 2417).

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

Motor Control
Social Interaction
Acoustic waves
Real-time
Source Localization
72 Citations (Scopus)

Real-time sound source localization and separation for robot audition

Nakadai, K., Okuno, H. G. & Kitano, H., 2002, 7th International Conference on Spoken Language Processing, ICSLP 2002. International Speech Communication Association, p. 193-196 4 p.

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

robot
PC
mathematics
demand
performance
29 Citations (Scopus)

Real-time speaker localization and speech separation by audio-visual integration

Nakadai, K., Hidai, K. I., Okuno, H. G. & Kitano, H., 2002, Proceedings - IEEE International Conference on Robotics and Automation. Vol. 1. p. 1043-1049 7 p.

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

Acoustic waves
Processing
Robots
Source separation
Reverberation