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Paper Abstract and Keywords
Presentation 2010-01-28 11:05
Simplification of the patient set up in radiotherapy with guideline using epipolar geometry
Riki Fukuhara (Chiba Univ.), Shinichiro Mori, Motoki Kumagai (National Inst. of Radiological Sci.), Hideaki Haneishi (Chiba Univ.) MI2009-81
Abstract (in Japanese) (See Japanese page) 
(in English) It is necessary to perform patient set up accurately in radiotherapy. Generally the radiotherapy is performed repeatedly and the patient set up is done by manual operation at every treatment. At this time, the patient position is adjusted by comparing the fluoroscopic images acquired at the last treatment position and those acquired at the current treatment positioning. Because fluoroscopic images are acquired from two-directions, it is theoretically possible to estimate the three dimensional position of the target. However, since it is difficult to find the corresponding points from the two fluoroscopic images, we cannot often take the advantage of bi-plane fluoroscopic images. In this study we propose a technique for assisting operator’s three-dimensional positioning. In the proposed technique, a guideline is presented in finding a corresponding point using the epipolar geometry. Computer simulation is presented to confirm the effectiveness of the proposed technique and to estimate the positioning accuracy.
Keyword (in Japanese) (See Japanese page) 
(in English) Radiotherapy / Patient Set up / Epipolar Geometry / Guideline / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 407, MI2009-81, pp. 37-40, Jan. 2010.
Paper # MI2009-81 
Date of Issue 2010-01-21 (MI) 
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 MI2009-81

Conference Information
Committee MI  
Conference Date 2010-01-28 - 2010-01-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Naha-Bunka-Tenbusu 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Medical Imaging 
Paper Information
Registration To MI 
Conference Code 2010-01-MI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Simplification of the patient set up in radiotherapy with guideline using epipolar geometry 
Sub Title (in English)  
Keyword(1) Radiotherapy  
Keyword(2) Patient Set up  
Keyword(3) Epipolar Geometry  
Keyword(4) Guideline  
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1st Author's Name Riki Fukuhara  
1st Author's Affiliation Chiba University (Chiba Univ.)
2nd Author's Name Shinichiro Mori  
2nd Author's Affiliation National Institute of Radiological Sciences (National Inst. of Radiological Sci.)
3rd Author's Name Motoki Kumagai  
3rd Author's Affiliation National Institute of Radiological Sciences (National Inst. of Radiological Sci.)
4th Author's Name Hideaki Haneishi  
4th Author's Affiliation Chiba University (Chiba Univ.)
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Speaker Author-1 
Date Time 2010-01-28 11:05:00 
Presentation Time 10 minutes 
Registration for MI 
Paper # MI2009-81 
Volume (vol) vol.109 
Number (no) no.407 
Page pp.37-40 
#Pages 4 
Date of Issue 2010-01-21 (MI) 

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