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Paper Abstract and Keywords
Presentation 2009-05-22 14:55
Elastic Modulus Estimation of Carotid Artery Using Ultrasonic Dynamic Images
Yasunari Yokota, Rie Taniguchi, Yoko Kawamura, Fumio Nogata, Hiroyuki Morita, Yoshihiro Uno (Gifu Univ.) MBE2009-8
Abstract (in Japanese) (See Japanese page) 
(in English) Many methods for evaluating the degree of arteriosclerosis utilizing the magnitude of systaltic movement of carotid artery have been proposed. The magnitude of carotid systaltic movement depends on the elasticity of surrounding tissues around carotid artery as well as the elasticity of carotid artery itself. Therefore, the degree of arteriosclerosis cannot be estimated accurately only by observing the magnitude of carotid systaltic movement. This paper proposes an estimation method of the elastic modulus of carotid artery by excluding influence of the elasticity of surrounding tissues in order to evaluate the degree of arteriosclerosis. In the proposed method, the systaltic movement of surrounding tissues as well as that of carotid artery is tracked by an optical flow method in ultrasonic B-mode images at the cross section of carotid artery. It is shown that the carotid elastic modulus estimated by the proposed method almost agrees with previous results by measurement using animals and humans.
Keyword (in Japanese) (See Japanese page) 
(in English) Arteriosclerosis / carotid artery / ultrasonic images / elastic modulus / stiffness / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 50, MBE2009-8, pp. 39-44, May 2009.
Paper # MBE2009-8 
Date of Issue 2009-05-15 (MBE) 
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 MBE2009-8

Conference Information
Committee MBE  
Conference Date 2009-05-22 - 2009-05-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Toyama Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) ME in general 
Paper Information
Registration To MBE 
Conference Code 2009-05-MBE 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Elastic Modulus Estimation of Carotid Artery Using Ultrasonic Dynamic Images 
Sub Title (in English)  
Keyword(1) Arteriosclerosis  
Keyword(2) carotid artery  
Keyword(3) ultrasonic images  
Keyword(4) elastic modulus  
Keyword(5) stiffness  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Yasunari Yokota  
1st Author's Affiliation Gifu University (Gifu Univ.)
2nd Author's Name Rie Taniguchi  
2nd Author's Affiliation Gifu University (Gifu Univ.)
3rd Author's Name Yoko Kawamura  
3rd Author's Affiliation Gifu University (Gifu Univ.)
4th Author's Name Fumio Nogata  
4th Author's Affiliation Gifu University (Gifu Univ.)
5th Author's Name Hiroyuki Morita  
5th Author's Affiliation Gifu University (Gifu Univ.)
6th Author's Name Yoshihiro Uno  
6th Author's Affiliation Gifu University (Gifu Univ.)
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Speaker Author-3 
Date Time 2009-05-22 14:55:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2009-8 
Volume (vol) vol.109 
Number (no) no.50 
Page pp.39-44 
#Pages 6 
Date of Issue 2009-05-15 (MBE) 

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