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Paper Abstract and Keywords
Presentation 2007-09-27 11:00
Estimation of Speed and Arrival Time of Approaching Vehicles Using Sound
Kenji Kodera, Akitoshi Itai, Hiroshi Yasukawa (Aichi Prefectural Univ) SIP2007-85 SIS2007-21 SP2007-47
Abstract (in Japanese) (See Japanese page) 
(in English) Demands for vehicular systems with greater user support are increasing rapidly. The safety driving support system using a driving sound source has been investigated. As one piece of environmental traffic information, the information of approaching vehicles is important to secure driver safety. The papers to detect the approaching vehicles and to estimate the direction of the approaching vehicles have been reported. However, there is few research to estimate the time when the approaching vehicle arrives at the intersection. It is important to examine the estimation accuracy of the arrival time information from a viewpoint of the traffic accident prevention. This paper describes a basic technique of the support system which estimates the arrival time and the vehicle speed from the vehicle sound. This method applies a beamforming to control the direction of the sound in order to emphasize the vehicle sound captured by the 4-microphone array. Moreover, the arrival time and the vehicle speed are estimated using the support vector machine with the spectrum of vehicle sounds as input data. The feasibility of the arrival time and the vehicle speed estimation using vehicle sounds is confirmed in this paper.
Keyword (in Japanese) (See Japanese page) 
(in English) Vehicle noise / Microphone array / Beam forming / Support vector machine / Signal processing / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 234, SIP2007-85, pp. 13-18, Sept. 2007.
Paper # SIP2007-85 
Date of Issue 2007-09-20 (SIP, SIS, SP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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reproduction
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF SIP2007-85 SIS2007-21 SP2007-47

Conference Information
Committee SIP SIS SP  
Conference Date 2007-09-27 - 2007-09-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya Inst. of Tech. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Signal Processing, Intelligent Multimedia Systems, etc. 
Paper Information
Registration To SIP 
Conference Code 2007-09-SIP-SIS-SP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Estimation of Speed and Arrival Time of Approaching Vehicles Using Sound 
Sub Title (in English)  
Keyword(1) Vehicle noise  
Keyword(2) Microphone array  
Keyword(3) Beam forming  
Keyword(4) Support vector machine  
Keyword(5) Signal processing  
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Keyword(7)  
Keyword(8)  
1st Author's Name Kenji Kodera  
1st Author's Affiliation Aichi Prefectural University (Aichi Prefectural Univ)
2nd Author's Name Akitoshi Itai  
2nd Author's Affiliation Aichi Prefectural University (Aichi Prefectural Univ)
3rd Author's Name Hiroshi Yasukawa  
3rd Author's Affiliation Aichi Prefectural University (Aichi Prefectural Univ)
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Speaker Author-1 
Date Time 2007-09-27 11:00:00 
Presentation Time 25 minutes 
Registration for SIP 
Paper # SIP2007-85, SIS2007-21, SP2007-47 
Volume (vol) vol.107 
Number (no) no.234(SIP), no.236(SIS), no.238(SP) 
Page pp.13-18 
#Pages
Date of Issue 2007-09-20 (SIP, SIS, SP) 


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