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| Presentation | 2009-05-29 10:30 MR diffusion tensor tractography by searching curvature deviation in the vicinity of fiber crossing area Takenori Oida, Yoshihide Sakagami, Tetsuo Kobayashi (Kyoto Univ.)  IE2009-36 PRMU2009-27 MI2009-27 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Functional magnetic resonance imaging (fMRI) gives us increasingly detailed information about the loci of brain activities in vivo human. However, the statistical procedures of fMRI data and some noises could cause uncertainty in localization, which limits the effective resolution of functional imaging. Nerve fiber tractgraphy based on magnetic resonance diffusion tensor images is a promising method to localize activated brain regions and estimate functional connectivity among activated areas detected by fMRI. In general, tractgraphies are able to track nerve fibers between near areas. However, it is difficult to track nerve fibers between distant areas via corpus callosum due to partial volume effect in nerve fiber crossing areas. In this paper, we proposed a new tractography by searching curvature deviation in fiber crossing areas. The method was evaluated by simulation images. The results demonstrate the usefulness of the proposed method. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | magentic resonance imaging / diffusion tensor imaging / tractography / curvature deviation / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 65, MI2009-27, pp. 147-152, May 2009. | |
| Paper # | MI2009-27 | |
| Date of Issue | 2009-05-21 (IE, PRMU, 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 | IE2009-36 PRMU2009-27 MI2009-27 |
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| Conference Information | |
| Committee | PRMU IE MI |
| Conference Date | 2009-05-28 - 2009-05-29 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Gifu Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MI |
| Conference Code | 2009-05-PRMU-IE-MI |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | MR diffusion tensor tractography by searching curvature deviation in the vicinity of fiber crossing area |
| Sub Title (in English) | |
| Keyword(1) | magentic resonance imaging |
| Keyword(2) | diffusion tensor imaging |
| Keyword(3) | tractography |
| Keyword(4) | curvature deviation |
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| 1st Author's Name | Takenori Oida |
| 1st Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 2nd Author's Name | Yoshihide Sakagami |
| 2nd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 3rd Author's Name | Tetsuo Kobayashi |
| 3rd Author's Affiliation | Kyoto University (Kyoto Univ.) |
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| Speaker | Author-1 |
| Date Time | 2009-05-29 10:30:00 |
| Presentation Time | 30 minutes |
| Registration for | MI |
| Paper # | IE2009-36, PRMU2009-27, MI2009-27 |
| Volume (vol) | vol.109 |
| Number (no) | no.63(IE), no.64(PRMU), no.65(MI) |
| Page | pp.147-152 |
| #Pages | 6 |
| Date of Issue | 2009-05-21 (IE, PRMU, MI) |
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