Faculty Information - OKAWA Shigeki

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（Last updated : 2025-07-23 09:27:32）

OKAWA Shigeki
Department of Advanced Robotics, Faculty of Advanced Engineering

Graduate School of Engineering

Master's Program in Advanced Robotics, Graduate School of Advanced Engineering

Professor

■ Office

Tsudanuma Campus, No.2 Building,19th floor room 011911

■ Academic background

1994/04～1996/03

〔Doctorial Course〕, Waseda University, Completed, Doctor of Engineering

■ Present specialized field

Perceptual information processing, Intelligent informatics, Kansei informatics, Human interface and interaction, Intelligent robotics (Key Word：Spoken Language Processing, Signal Processing, Music Information Processing, Human-Machine Interface, Communication Robotics)

■ Research activities

1.	1993/02	The Japanese Society for Artificial Intelligence
2.	1992/05～	The Acoustical Society of Japan
3.	2009/05～2013/05	∟ Director
4.	2017/05～2021/05	∟ Director
5.	2023/05～2025/05	∟ Director
6.	1993/09～	International Speech Communication Association
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■ Works

1.	Article	Development of Mobile Robot for Room Impulse Response Measurement and Visualization of Sound Environment Proceedings of International Congress on Acoustics (A12-14) (Collaboration) 2022/10/27
2.	Article	"Tell Tell" - Effects of Personality of Kansei Agents Proceedings of International Symposium on Affective Science and Engineering (Collaboration) 2020/03/15
3.	Article	Visualization of Distribution of Room Acoustic Parameters by Using Mobile Robot Proceedings of International Congress on Acoustics (Collaboration) 2019/09/09
4.	Article	Autonomous mobile robot to improve sound environment for speech conversation Proc. ASA/ASJ Joint Meeting 3pAAc(3) (Collaboration) 2016/11
5.	Article	Autonomous optimal location of articulation materials using robotics Proc. ASA/ASJ Joint Meeting 3pAAc(2) (Collaboration) 2016/11
6.	Article	"i-eye" - a wearable eyeball interface Proc. IEEE RO-MAN 2016 TuIVS(30) (Collaboration) 2016/08
7.	Article	A Home Healthcare System with Communication Robot Technologies -- Development of Experimental Systems and in-Home Verification Experiments by Elderly Peoples -- 23(6) (Collaboration) 2011/12
8.	Article	Temporal AM-FM combination for robust speech recognition Speech Communication 53(5),pp.716-725 (Collaboration) 2011/05
9.	Article	A comparative study on AM and FM features Proc. International Conference on Speech Communication and Technology (INTERSPEECH) WedSe2.P1(4),pp.642-645 (Collaboration) 2008/09
10.	Article	Noisy speech recognition using temporal AM-FM combination Proc. International Conference on Acoustics, Speech and Signal Processing (ICASSP) SPE-P13.H4 (Collaboration) 2008/04
11.	Article	Recognizing reverberant speech based on amplitude and frequency modulation IEICE Transactions on Information and Systems E91-D(3),pp.448-456 (Collaboration) 2008/03
12.	Article	A study on temporal features derived by analytic signal Proc. International Conference on Speech Communication and Technology (INTERSPEECH) WeC.P3(7),pp.1130-1133 (Collaboration) 2007/08
13.	Article	Knowledge integration for annotating in virtual environments Int. J. Product Development 4(1) (Collaboration) 2007/01
14.	Article	An analysis of acoustic deviation manner in spontaneous speech Proc. ASA/ASJ Joint Meeting 4pSC14,pp.3293 (Collaboration) 2006/12
15.	Article	An analysis of note deviation manner in piano music Proc. ASA/ASJ Joint Meeting 1aMU3,pp.3005 (Collaboration) 2006/11
16.	Article	Instantaneous frequencies of signals obtained by the analytic signal method Acoustical Science and Technology 27(3),pp.163-170 (Collaboration) 2006/05
17.	Article	Knowledge enhanced VR annotating environment for collaborative design Proc. Virtual Concept 16(3) (Collaboration) 2005/11
18.	Article	Discrimination of speech, musical instruments and singing voices using the temporal patterns of sinusoidal segments in audio signals Proc. International Conference on Speech Communication and Technology (INTERSPEECH) 2DP2b-1,pp.589-592 (Collaboration) 2005/09
19.	Article	Knowledge integration in annotation-based collaborative virtual environments Interaction 2005 C(334) (Collaboration) 2005/02
20.	Article	Statistical estimation of phoneme's most stable point based on universal constraints Proc. European Conference on Speech Communication and Technology (EUROSPEECH) PTuBf6,pp.781-784 (Collaboration) 2003/09
21.	Article	Analysis of rhythm-based method for language identification Technical Report of Chiba Institute of Technology 50,pp.93-99 (Collaboration) 2003/03
22.	Article	A recombination strategy for multi-band speech recognition based on mutual information criterion Proc. European Conference on Speech Communication and Technology (EUROSPEECH) S4.OR1(5),pp.603-606 (Collaboration) 1999/09
23.	Article	An introduction to Mongolian phonetic-linguistic model: on the acoustic properties of Mongolian language Proc. International Congress of Phonetic Sciences (ICPhS) 3(3),pp.1657-1660 (Collaboration) 1999/08
24.	Article	Design of Mongolian speech database considering dialectal characteristics The Journal of the Acoustical Society of Japan (E) 20(3),pp.181-188 (Collaboration) 1999/05
25.	Article	Multi-band speech recognition in noisy environments Proc. International Conference on Acoustics, Speech and Signal Processing (ICASSP) SP19.8(2),pp.641-644 (Collaboration) 1998/05
26.	Article	Estimation of Statistical Phoneme Center considering phonemic environments Proc. International Conference on Spoken Language Processing (ICSLP) FrP1P1(2),pp.1069-1072 (Collaboration) 1996/10
27.	Article	Estimation of Statistical Phoneme Center and its application to accurate phoneme modelling Proc. European Conference on Speech Communication and Technology (EUROSPEECH) TUpm2E(7),pp.791-794 (Collaboration) 1995/09
28.	Article	Finding a new speech representation by Principal Component Analysis Technical Report of Advanced Research Center for Science and Engineering, Waseda University 95(1) (Collaboration) 1995/01
29.	Article	Evaluation of phonetic feature recognition with a Time-Delay Neural Network Proc. International Conference on Spoken Language Processing (ICSLP) 26(14),pp.1531-1534 (Collaboration) 1994/09
30.	Article	Phoneme recognition in various styles of utterance based on mutual information criterion Proc. International Conference on Spoken Language Processing (ICSLP) 31(20),pp.1911-1914 (Collaboration) 1994/09
31.	Article	Automatic training of phoneme dictionary based on mutual information criterion Proc. International Conference on Acoustics, Speech and Signal Processing (ICASSP) I,pp.241-244 (Collaboration) 1994/04
32.	Article	Word spotting in conversational speech based on phonemic unit likelihood by mutual information criterion Proc. European Conference on Speech Communication and Technology (EUROSPEECH) 41(5),pp.1281-1284 (Collaboration) 1993/09
33.	Article	Phrase recognition in conversational speech using prosodic and phonemic information IEICE Transactions on Information and Systems E76-D(1),pp.44-50 (Collaboration) 1993/01
34.	Article	Phoneme recognition in continuous speech based on mutual information considering phonemic duration and connectivity Proc. International Conference on Spoken Language Processing (ICSLP) Fr.AM.P(5),pp.1479-1482 (Collaboration) 1992/10
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■ Home Page

https://www.robotics.it-chiba.ac.jp/j/?page_id=660