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| Presentation | 2008-01-26 13:00 spatial resolution evaluation by the images of the fluorescence X-ray CT Qingkai Huo, Seita Nasukawa, Norihide Maikusa (Yamagata University), Jin Wu, Thet Thet Lwin (University of Tsukuba), Tetsuya Yuasa (Yamagata University), Kazuyuki Hyodo (High Energy Accelerator Research Organization), Tohoru Takeda (University of Tsukuba), Takao Akatsuka (Yamagata Prefectural Industry Technology Junior College School)  MI2007-126 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Synchrotron Radiation-used FXCT (Fluorescent X-ray CT) can detect extremely small amounts of a specific material, e.g., iodine, accumulated in a living body at a high spatial resolution of a few tens of m, which could be a candidate of high-resolution molecular imaging modality. However, at the present stage, the imaging scheme requires much measurement time because it is based on the first generation of CT, or the data acquisition scheme using a pencil beam. Therefore, in order to acquire as many images as possible for a small animal put under anesthesia, we are forced to reduce the measurement time for each data point or the number of projections at some cost of signal-to-noise ratio or spatial resolution. We must objectively evaluate how sufficiently the image quality or spatial resolution is guaranteed under the reduced measurement time or a limited number of projections. In this study, we evaluate the dependence of the spatial resolution on the measurement time at a data point or the number of projections based on experiments using a acrylic physical phantom, which were performed at beam line ARNE-5A,KEK. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Fluorescent X-ray CT / Spatial resolution / Molecular imaging / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 461, MI2007-126, pp. 343-347, Jan. 2008. | |
| Paper # | MI2007-126 | |
| Date of Issue | 2008-01-18 (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 | MI2007-126 |
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| Conference Information | |
| Committee | MI |
| Conference Date | 2008-01-25 - 2008-01-26 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Naha-Bunka-Tenbusu |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Medical Imaging |
| Paper Information | |
| Registration To | MI |
| Conference Code | 2008-01-MI |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | spatial resolution evaluation by the images of the fluorescence X-ray CT |
| Sub Title (in English) | |
| Keyword(1) | Fluorescent X-ray CT |
| Keyword(2) | Spatial resolution |
| Keyword(3) | Molecular imaging |
| Keyword(4) | |
| Keyword(5) | |
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| Keyword(8) | |
| 1st Author's Name | Qingkai Huo |
| 1st Author's Affiliation | Yamagata University (Yamagata University) |
| 2nd Author's Name | Seita Nasukawa |
| 2nd Author's Affiliation | Yamagata University (Yamagata University) |
| 3rd Author's Name | Norihide Maikusa |
| 3rd Author's Affiliation | Yamagata University (Yamagata University) |
| 4th Author's Name | Jin Wu |
| 4th Author's Affiliation | University of Tsukuba (University of Tsukuba) |
| 5th Author's Name | Thet Thet Lwin |
| 5th Author's Affiliation | University of Tsukuba (University of Tsukuba) |
| 6th Author's Name | Tetsuya Yuasa |
| 6th Author's Affiliation | Yamagata University (Yamagata University) |
| 7th Author's Name | Kazuyuki Hyodo |
| 7th Author's Affiliation | High Energy Accelerator Research Organization (High Energy Accelerator Research Organization) |
| 8th Author's Name | Tohoru Takeda |
| 8th Author's Affiliation | University of Tsukuba (University of Tsukuba) |
| 9th Author's Name | Takao Akatsuka |
| 9th Author's Affiliation | Yamagata Prefectural Industry Technology Junior College School (Yamagata Prefectural Industry Technology Junior College School) |
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| Speaker | Author-1 |
| Date Time | 2008-01-26 13:00:00 |
| Presentation Time | 60 minutes |
| Registration for | MI |
| Paper # | MI2007-126 |
| Volume (vol) | vol.107 |
| Number (no) | no.461 |
| Page | pp.343-347 |
| #Pages | 5 |
| Date of Issue | 2008-01-18 (MI) |
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