Paper Abstract and Keywords |
Presentation |
2011-05-24 15:40
Acoustic detection of objects with small movement behind cloths Kotaro Hoshiba, Ryosuke Fukushima, Jun-ya Takayama, Hiroyuki Hachiya (Tokyo Tech.) US2011-12 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
To realize non-contact sensing of clothed person’s breathing and heart rate using airborne ultrasound,we estimated the sound attenuation characteristics of clothes and tried to detect displacement of a object with small movement behind cloths. We measured sound amplitude through a sail cloth as a function of distance and obtained transmission attenuation by comparing sound amplitude without cloths. Then, we observed the small movement of objects behind cloths using airborne ultrasound. M-sequence signal which is used to improve SN ratio and phase information of reflected signal enable to observe the target movement. Moreover we found that MTI filter is effective to observe phase change clearly. These results provide the basic data for detecting submillimeter movement on the human body surface under cloths. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Acoustic sensing / M-sequence / Acoustic imaging / Airborne ultrasound / Vital sign / / / |
Reference Info. |
IEICE Tech. Rep., vol. 111, no. 61, US2011-12, pp. 25-30, May 2011. |
Paper # |
US2011-12 |
Date of Issue |
2011-05-17 (US) |
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) |
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US2011-12 |
Conference Information |
Committee |
US |
Conference Date |
2011-05-24 - 2011-05-24 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Kikai-Shinko-Kaikan Bldg. |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
General |
Paper Information |
Registration To |
US |
Conference Code |
2011-05-US |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Acoustic detection of objects with small movement behind cloths |
Sub Title (in English) |
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Keyword(1) |
Acoustic sensing |
Keyword(2) |
M-sequence |
Keyword(3) |
Acoustic imaging |
Keyword(4) |
Airborne ultrasound |
Keyword(5) |
Vital sign |
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1st Author's Name |
Kotaro Hoshiba |
1st Author's Affiliation |
Tokyo Institute of Technology (Tokyo Tech.) |
2nd Author's Name |
Ryosuke Fukushima |
2nd Author's Affiliation |
Tokyo Institute of Technology (Tokyo Tech.) |
3rd Author's Name |
Jun-ya Takayama |
3rd Author's Affiliation |
Tokyo Institute of Technology (Tokyo Tech.) |
4th Author's Name |
Hiroyuki Hachiya |
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Tokyo Institute of Technology (Tokyo Tech.) |
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Speaker |
Author-1 |
Date Time |
2011-05-24 15:40:00 |
Presentation Time |
30 minutes |
Registration for |
US |
Paper # |
US2011-12 |
Volume (vol) |
vol.111 |
Number (no) |
no.61 |
Page |
pp.25-30 |
#Pages |
6 |
Date of Issue |
2011-05-17 (US) |