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Paper Abstract and Keywords
Presentation 2014-01-27 13:30
Automatic Region of Interest Setting in Magnetic Resonance Coronary Angiography and Selecting Optimal Data Acquisition Window
Hisatoshi Ogata, Tetsuo Sato (NAIST), Tomohisa Okada (Kyoto Univ. Hospital), Shigehide Kuhara (TMSC), Kaori Togashi (Kyoto Univ.), Kotaro Minato (ASTEM), Shigehiko Kanaya (NAIST) MI2013-106
Abstract (in Japanese) (See Japanese page) 
(in English) For an examination of coronary artery of the heart, chest CT is now the mainstream. However, the demand for coronary MRI examination (MRCA) has increased, because it has no side effects of the contrast agent and radiation exposure, which is inevitable using CT. In MRCA, the operator has to find the stationary period, which takes long time. Previous studies tried to find it using template matching techniques or difference between the pixel intensities along frames of the cine images, but the detection accuracy of the stationary phase was not high sufficiently. In this study, we use estimated position of the mitral valve, tricuspid valve and the apex as known coordinates. Then, position of the coronary artery was estimated with high accuracy by using a template matching techniques. In addition, we propose a method to track the position of coronary artery in a cine image volume by updating the template to determine the stationary phase. We report the result of the method described above in this paper.
Keyword (in Japanese) (See Japanese page) 
(in English) magnetic resonance coronary angiography / cardiac rest period / template matching / tracking / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 410, MI2013-106, pp. 269-274, Jan. 2014.
Paper # MI2013-106 
Date of Issue 2014-01-19 (MI) 
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 MI  
Conference Date 2014-01-26 - 2014-01-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Bunka Tenbusu Kan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Computer Assisted Diagnosis and Therapy Based on Computational Anatomy, etc. 
Paper Information
Registration To MI 
Conference Code 2014-01-MI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Automatic Region of Interest Setting in Magnetic Resonance Coronary Angiography and Selecting Optimal Data Acquisition Window 
Sub Title (in English)  
Keyword(1) magnetic resonance coronary angiography  
Keyword(2) cardiac rest period  
Keyword(3) template matching  
Keyword(4) tracking  
Keyword(5)  
Keyword(6)  
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1st Author's Name Hisatoshi Ogata  
1st Author's Affiliation Nara Institute of Science and Technology (NAIST)
2nd Author's Name Tetsuo Sato  
2nd Author's Affiliation Nara Institute of Science and Technology (NAIST)
3rd Author's Name Tomohisa Okada  
3rd Author's Affiliation Kyoto University Hospital (Kyoto Univ. Hospital)
4th Author's Name Shigehide Kuhara  
4th Author's Affiliation TOSHIBA MEDICAL SYSTEMS CORPORATION (TMSC)
5th Author's Name Kaori Togashi  
5th Author's Affiliation Kyoto University (Kyoto Univ.)
6th Author's Name Kotaro Minato  
6th Author's Affiliation Advanced Scientific Technology & Management Research Institute of KYOTO (ASTEM)
7th Author's Name Shigehiko Kanaya  
7th Author's Affiliation Nara Institute of Science and Technology (NAIST)
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Speaker Author-1 
Date Time 2014-01-27 13:30:00 
Presentation Time 45 minutes 
Registration for MI 
Paper # MI2013-106 
Volume (vol) vol.113 
Number (no) no.410 
Page pp.269-274 
#Pages 6 
Date of Issue 2014-01-19 (MI) 

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