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Paper Abstract and Keywords
Presentation 2009-11-20 10:15
Footstep localization with microphone array
Masanari Shoji (NTT Corp.) EA2009-86
Abstract (in Japanese) (See Japanese page) 
(in English) Human footstep localization based on passive acoustic information was studied experimentally in an indoor environment. A simple microphone array consisting of four omnidirectional microphones set at 2.5 m above the floor and a common methodology for localization based on time delay estimation were used for detecting the positions of footsteps. The success rate and the spatial error of localization for footsteps were analyzed. The results showed that localization and tracking of footsteps were achieved with sufficient accuracy within a diameter of 7–8 m on the floor. The stride length, speed, and direction of walking can be evaluated by estimating and tracking footstep positions.
Keyword (in Japanese) (See Japanese page) 
(in English) Microphone array / Localization / Position estimation / Tracking / Footstep / Walking / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 286, EA2009-86, pp. 61-66, Nov. 2009.
Paper # EA2009-86 
Date of Issue 2009-11-12 (EA) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
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 EA2009-86

Conference Information
Committee EA  
Conference Date 2009-11-19 - 2009-11-20 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To EA 
Conference Code 2009-11-EA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Footstep localization with microphone array 
Sub Title (in English)  
Keyword(1) Microphone array  
Keyword(2) Localization  
Keyword(3) Position estimation  
Keyword(4) Tracking  
Keyword(5) Footstep  
Keyword(6) Walking  
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Keyword(8)  
1st Author's Name Masanari Shoji  
1st Author's Affiliation NTT Energy and Environment Systems Laboratories, NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT Corp.)
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Speaker Author-1 
Date Time 2009-11-20 10:15:00 
Presentation Time 30 minutes 
Registration for EA 
Paper # EA2009-86 
Volume (vol) vol.109 
Number (no) no.286 
Page pp.61-66 
#Pages 6 
Date of Issue 2009-11-12 (EA) 

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