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Paper Abstract and Keywords
Presentation 2010-05-20 15:25
Reconstruction Algorithms for Acoustic Computerized Tomography in Concave-Shaped Space
Ayumu Minamide, Koichi Mizutani, Naoto Wakatsuki (Univ. Tsukuba) US2010-11
Abstract (in Japanese) (See Japanese page) 
(in English) In conventional acoustic computerized tomography (A-CT) using fixed transducers, the transducers are located at equal intervals along the circumference of the circle. This arrangement is called 'ring array'. However, the ring array is inefficient for measuring the temperature distributions in air by A-CT in rectangular rooms. Therefore, the authors have proposed A-CT using flexibly arranged transducers in convex-shaped spaces. In this paper, the authors study on two reconstruction algorithms of A-CT in a concave-shaped space. In these two algorithms, the concave-shaped space is considered as convex-shaped parts. In one method, the temperature distributions are reconstructed in each divided part. In the other method, partial projection data are interpolated in each divided part, and entire projection data are obtained by combining the original projection data and the partial projection data. By numerical simulations, it is confirmed that both methods can reconstruct the distributions. However, bents of errors are different.
Keyword (in Japanese) (See Japanese page) 
(in English) Acoustic Computerized Tomography / Temperature Measurement / Temperature Distribution / Concave-Shaped Space / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 38, US2010-11, pp. 21-26, May 2010.
Paper # US2010-11 
Date of Issue 2010-05-13 (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)
Download PDF US2010-11

Conference Information
Committee US  
Conference Date 2010-05-20 - 2010-05-20 
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 2010-05-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Reconstruction Algorithms for Acoustic Computerized Tomography in Concave-Shaped Space 
Sub Title (in English)  
Keyword(1) Acoustic Computerized Tomography  
Keyword(2) Temperature Measurement  
Keyword(3) Temperature Distribution  
Keyword(4) Concave-Shaped Space  
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1st Author's Name Ayumu Minamide  
1st Author's Affiliation University of Tsukuba (Univ. Tsukuba)
2nd Author's Name Koichi Mizutani  
2nd Author's Affiliation University of Tsukuba (Univ. Tsukuba)
3rd Author's Name Naoto Wakatsuki  
3rd Author's Affiliation University of Tsukuba (Univ. Tsukuba)
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Speaker Author-1 
Date Time 2010-05-20 15:25:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2010-11 
Volume (vol) vol.110 
Number (no) no.38 
Page pp.21-26 
#Pages 6 
Date of Issue 2010-05-13 (US) 

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