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| Presentation | 2013-07-20 11:50 A method of intensity-modulated radiation therapy planning using nonlinear dynamical system Yoshihiro Tanaka, Ken'ichi Fujimoto, Tetsuya Yoshinaga (Univ. of Tokushima)  MBE2013-35 |
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| 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. Some of the authors have presented an approach to obtain a feasible solution of an objective function by applying an initial-value problem for the nonlinear differential equation to IMRT planning inverse problems. In this study, we propose a nonlinear dynamical system that a dose based objective function decreases monotonically, which is different from the conventional system. We first consider the stability of an equilibrium, which corresponds to the consistent planning in the IMRT system. Next, we confirm the performance of the proposed system for the inconsistent planning in the IMRT system by means of numerical experiments using phantom data simulating a clinical setup. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | intensity-modulated radiation therapy planning / inverse problem / nonlinear dynamical system / stability of solution / Kullback-Leibler divergence / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 147, MBE2013-35, pp. 47-52, July 2013. | |
| Paper # | MBE2013-35 | |
| Date of Issue | 2013-07-12 (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 | MBE2013-35 |
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| Conference Information | |
| Committee | NC MBE |
| Conference Date | 2013-07-19 - 2013-07-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | The University of Tokushima |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | ME, general |
| Paper Information | |
| Registration To | MBE |
| Conference Code | 2013-07-NC-MBE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A method of intensity-modulated radiation therapy planning using nonlinear dynamical system |
| Sub Title (in English) | |
| Keyword(1) | intensity-modulated radiation therapy planning |
| Keyword(2) | inverse problem |
| Keyword(3) | nonlinear dynamical system |
| 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 | The University of Tokushima (Univ. of Tokushima) |
| 2nd Author's Name | Ken'ichi Fujimoto |
| 2nd Author's Affiliation | The University of Tokushima (Univ. of Tokushima) |
| 3rd Author's Name | Tetsuya Yoshinaga |
| 3rd Author's Affiliation | The University of Tokushima (Univ. of Tokushima) |
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| Speaker | Author-1 |
| Date Time | 2013-07-20 11:50:00 |
| Presentation Time | 25 minutes |
| Registration for | MBE |
| Paper # | MBE2013-35 |
| Volume (vol) | vol.113 |
| Number (no) | no.147 |
| Page | pp.47-52 |
| #Pages | 6 |
| Date of Issue | 2013-07-12 (MBE) |
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