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| Presentation | 2007-08-23 15:20 A Study for Image Reconstruction in Time-Resolved Optical Tomography Using FDTD Analysis Kenta Kitano, Takafumi Matsuura, Tadatoshi Tanifuji (Kitami Inst. of Tech.)  OFT2007-16 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Time reduction of image reconstruction in time-resolved diffused optical tomography (TDOT) based on the Finite Difference Time Domain Analysis proposed by authors has been studied. A scalar objective function which is defined by square differences between measured and theoretical reflectance of scattering medium is minimized to reconstruct TDOT images. Necessary time for differentiation of the scalar objective function with respect to optical parameters of Yee grids is suppressed from third power to second power of the number of nodes by reverse differentiation, in which differentiation of objective function with respect to fluence rate is calculated, then differentiation fluence rate with respect to the optical parameters. It has also been shown that reverse time migration for FDTD analysis is useful for time reduction without extra memory spaces. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Diffusion equation / FDTD analysis / Reverse Differentiation / Reverse Time Migration / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 191, OFT2007-16, pp. 11-14, Aug. 2007. | |
| Paper # | OFT2007-16 | |
| Date of Issue | 2007-08-16 (OFT) | |
| 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 | OFT2007-16 |
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| Conference Information | |
| Committee | OFT OCS |
| Conference Date | 2007-08-23 - 2007-08-24 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OFT |
| Conference Code | 2007-08-OFT-OCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study for Image Reconstruction in Time-Resolved Optical Tomography Using FDTD Analysis |
| Sub Title (in English) | |
| Keyword(1) | Diffusion equation |
| Keyword(2) | FDTD analysis |
| Keyword(3) | Reverse Differentiation |
| Keyword(4) | Reverse Time Migration |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kenta Kitano |
| 1st Author's Affiliation | Kitami Institute of Technology (Kitami Inst. of Tech.) |
| 2nd Author's Name | Takafumi Matsuura |
| 2nd Author's Affiliation | Kitami Institute of Technology (Kitami Inst. of Tech.) |
| 3rd Author's Name | Tadatoshi Tanifuji |
| 3rd Author's Affiliation | Kitami Institute of Technology (Kitami Inst. of Tech.) |
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| Speaker | Author-1 |
| Date Time | 2007-08-23 15:20:00 |
| Presentation Time | 25 minutes |
| Registration for | OFT |
| Paper # | OFT2007-16 |
| Volume (vol) | vol.107 |
| Number (no) | no.191 |
| Page | pp.11-14 |
| #Pages | 4 |
| Date of Issue | 2007-08-16 (OFT) |
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