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| Presentation | 2015-03-03 13:40 Generation of attenuation correction factor for PET from a T1-weighted pelvic MR image using hybrid-segmentation and atlas method Hiroshi Kawaguchi, Takayuki Obata, Hiromi Sano, Eiji Yoshida (NIRS), Mikio Suga (Chiba Univ.), Yoko Ikoma, Taiga Yamaya (NIRS)  MI2014-99 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The current attenuation correction method for human pelvic PET/MRI contains several problems such that the attenuation due to bone is not considered and a specific MR imaging, intended for attenuation correction only, is needed. In this study, we proposed a method to generate the distribution of attenuation correction factors with considering the bone attenuation using diagnostic T1-weighted MRI for pelvic PET/MRI scanning. The proposed method is the hybrid of the tissue segmentation based on Gaussian mixture model and the non-liner registration of tissue probability to a subject image. The simulation results showed that attenuation correction using the proposed hybrid method reduced the error on PET image than the conventional segmentation method. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | PET/MRI / attenuation correction for PET / pelvic region / segmentation / registration / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 482, MI2014-99, pp. 221-226, March 2015. | |
| Paper # | MI2014-99 | |
| Date of Issue | 2015-02-23 (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 | MI2014-99 |
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| Conference Information | |
| Committee | MI |
| Conference Date | 2015-03-02 - 2015-03-03 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hotel Miyahira |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Creation of multidisciplinary computational anatomy, Forefront of medical image engineering, General topics in medical imaging |
| Paper Information | |
| Registration To | MI |
| Conference Code | 2015-03-MI |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Generation of attenuation correction factor for PET from a T1-weighted pelvic MR image using hybrid-segmentation and atlas method |
| Sub Title (in English) | |
| Keyword(1) | PET/MRI |
| Keyword(2) | attenuation correction for PET |
| Keyword(3) | pelvic region |
| Keyword(4) | segmentation |
| Keyword(5) | registration |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hiroshi Kawaguchi |
| 1st Author's Affiliation | National Institute of Radiological Sciences (NIRS) |
| 2nd Author's Name | Takayuki Obata |
| 2nd Author's Affiliation | National Institute of Radiological Sciences (NIRS) |
| 3rd Author's Name | Hiromi Sano |
| 3rd Author's Affiliation | National Institute of Radiological Sciences (NIRS) |
| 4th Author's Name | Eiji Yoshida |
| 4th Author's Affiliation | National Institute of Radiological Sciences (NIRS) |
| 5th Author's Name | Mikio Suga |
| 5th Author's Affiliation | Chiba University (Chiba Univ.) |
| 6th Author's Name | Yoko Ikoma |
| 6th Author's Affiliation | National Institute of Radiological Sciences (NIRS) |
| 7th Author's Name | Taiga Yamaya |
| 7th Author's Affiliation | National Institute of Radiological Sciences (NIRS) |
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| Speaker | Author-1 |
| Date Time | 2015-03-03 13:40:00 |
| Presentation Time | 80 minutes |
| Registration for | MI |
| Paper # | MI2014-99 |
| Volume (vol) | vol.114 |
| Number (no) | no.482 |
| Page | pp.221-226 |
| #Pages | 6 |
| Date of Issue | 2015-02-23 (MI) |
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