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Paper Abstract and Keywords
Presentation 2009-01-24 09:30
Improvement of automatic cardiac rest period determination for coronary MRA
Kazutaka Uneno, Tetsuo Sato (Nara Inst. of Scie and Tech.), Tomohisa Okada (Kyoto Univ. Hosp.), Shigehide Kuhara (Toshiba Medical Systems Co.), Kaori Togashi (Kyoto Univ.), Kotaro Minato (Nara Inst. of Scie and Tech.) MBE2008-84
Abstract (in Japanese) (See Japanese page) 
(in English) The purpose of this study is to improve an automated method without user interaction for selecting optimal data acquisition window in coronary MRA. One of the major problems of magnetic resonance coronary angiography (MRCA) is the effective suppression of coronary motion due to respiration and cardiac contraction. To compensate for cardiac movement, data acquisition is generally limited to the coronary artery rest period mainly found during end-diastole. End-diastole is called cardiac rest period. Generally, cardiac rest period is decided by operator. Therefore it is subjective, and requires much experiences. We already proposed a method that is based on the extraction of intensive change regions and the calculation of the correlation coefficient. As for setting region of interest including right coronary, there are still several errors. To improve the accuracy, we propose a new method to determine cardiac rest period based on the tracking of right coronary directly and show the results.
Keyword (in Japanese) (See Japanese page) 
(in English) magnetic resonance coronary angiography / end-diastole / cardiac rest period / template matching / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 405, MBE2008-84, pp. 37-42, Jan. 2009.
Paper # MBE2008-84 
Date of Issue 2009-01-16 (MBE) 
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)
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Conference Information
Committee MBE  
Conference Date 2009-01-23 - 2009-01-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Saga University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) ME in general 
Paper Information
Registration To MBE 
Conference Code 2009-01-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement of automatic cardiac rest period determination for coronary MRA 
Sub Title (in English)  
Keyword(1) magnetic resonance coronary angiography  
Keyword(2) end-diastole  
Keyword(3) cardiac rest period  
Keyword(4) template matching  
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1st Author's Name Kazutaka Uneno  
1st Author's Affiliation Nara Institute of Science and Technology (Nara Inst. of Scie and Tech.)
2nd Author's Name Tetsuo Sato  
2nd Author's Affiliation Nara Institute of Science and Technology (Nara Inst. of Scie and Tech.)
3rd Author's Name Tomohisa Okada  
3rd Author's Affiliation Kyoto University Hospital (Kyoto Univ. Hosp.)
4th Author's Name Shigehide Kuhara  
4th Author's Affiliation Toshiba Medical Systems Corporation (Toshiba Medical Systems Co.)
5th Author's Name Kaori Togashi  
5th Author's Affiliation Graduate School of Medicine Kyoto University (Kyoto Univ.)
6th Author's Name Kotaro Minato  
6th Author's Affiliation Nara Institute of Science and Technology (Nara Inst. of Scie and Tech.)
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Speaker Author-1 
Date Time 2009-01-24 09:30:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2008-84 
Volume (vol) vol.108 
Number (no) no.405 
Page pp.37-42 
#Pages 6 
Date of Issue 2009-01-16 (MBE) 

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