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Paper Abstract and Keywords
Presentation 2014-10-18 13:50
Continuous-time method based on dose-volume constrained optimization for intensity-modulated radiation therapy treatment planning
Yoshihiro Tanaka, Ken'ichi Fujimoto, Tetsuya Yoshinaga (Univ. of Tokushima) MBE2014-56
Abstract (in Japanese) (See Japanese page) 
(in English) The intensity-modulated radiation therapy (IMRT) plans include an optimization strategy for minimizing an objective function of radiation beam weights. In this study, we consider the concept meaning the condition that satisfies the dose-volume constraints in the IMRT planning system. For this purpose, we present a nonlinear dynamical system based on a dose-volume constrained optimization, which enables us to decrease an objective function monotonically by applying an initial-value problem for the differential equation to the IMRT inverse problems. The performance of the proposed system is confirmed by means of numerical experiments using a phantom under conditions simulating clinical radiation therapy.
Keyword (in Japanese) (See Japanese page) 
(in English) intensity-modulated radiation therapy planning / dose-volume constraints / inverse problem / stability of solution / Kullback-Leibler divergence / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 258, MBE2014-56, pp. 25-29, Oct. 2014.
Paper # MBE2014-56 
Date of Issue 2014-10-11 (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 MBE2014-56

Conference Information
Committee MBE NC  
Conference Date 2014-10-18 - 2014-10-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka Electro-Communication University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2014-10-MBE-NC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Continuous-time method based on dose-volume constrained optimization for intensity-modulated radiation therapy treatment planning 
Sub Title (in English)  
Keyword(1) intensity-modulated radiation therapy planning  
Keyword(2) dose-volume constraints  
Keyword(3) inverse problem  
Keyword(4) stability of solution  
Keyword(5) Kullback-Leibler divergence  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Yoshihiro Tanaka  
1st Author's Affiliation University of Tokushima (Univ. of Tokushima)
2nd Author's Name Ken'ichi Fujimoto  
2nd Author's Affiliation University of Tokushima (Univ. of Tokushima)
3rd Author's Name Tetsuya Yoshinaga  
3rd Author's Affiliation University of Tokushima (Univ. of Tokushima)
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Speaker Author-1 
Date Time 2014-10-18 13:50:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2014-56 
Volume (vol) vol.114 
Number (no) no.258 
Page pp.25-29 
#Pages 5 
Date of Issue 2014-10-11 (MBE) 

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