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| Presentation | 2010-11-15 13:00 Calculations of wiener spectrum in x-ray images using FPD by extended checker board-model Takumi Sawada, Isao Yamada (GNCT), Du-Yih Tsai (Niigata Univ.), Masao Matsumoto (Osaka Univ.)  MI2010-72 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Recently, FPD(Flat Panel Detector) is used for a detector of medical x-ray imaging system. It is known widely that various noises included in medical x-ray image impede a diagnosis. Influence of quantum noise on the image taken with low dose is especially critical problem. WS(Wiener Spectrum) is used as evaluation of the noise, and it is calculated by FFT method, MEM method, and so on. However, WS calculated in these researches are based on data supplied by experiment. In this study, we calculated WS of FPD using extended checker-board model (ECBM) which was proposed by us, and compared FFT method with it to confirm utility of it. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Flat Panel Detector(FPD) / Wiener Spectrum / Checkerboard-model / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 280, MI2010-72, pp. 33-37, Nov. 2010. | |
| Paper # | MI2010-72 | |
| Date of Issue | 2010-11-08 (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 | MI2010-72 |
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| Conference Information | |
| Committee | MI |
| Conference Date | 2010-11-15 - 2010-11-15 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Shimadzu Corp. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Medical Imaging |
| Paper Information | |
| Registration To | MI |
| Conference Code | 2010-11-MI |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Calculations of wiener spectrum in x-ray images using FPD by extended checker board-model |
| Sub Title (in English) | |
| Keyword(1) | Flat Panel Detector(FPD) |
| Keyword(2) | Wiener Spectrum |
| Keyword(3) | Checkerboard-model |
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| 1st Author's Name | Takumi Sawada |
| 1st Author's Affiliation | GIFU National College of Technology (GNCT) |
| 2nd Author's Name | Isao Yamada |
| 2nd Author's Affiliation | GIFU National College of Technology (GNCT) |
| 3rd Author's Name | Du-Yih Tsai |
| 3rd Author's Affiliation | Niigata University (Niigata Univ.) |
| 4th Author's Name | Masao Matsumoto |
| 4th Author's Affiliation | Osaka University (Osaka Univ.) |
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| Speaker | Author-1 |
| Date Time | 2010-11-15 13:00:00 |
| Presentation Time | 25 minutes |
| Registration for | MI |
| Paper # | MI2010-72 |
| Volume (vol) | vol.110 |
| Number (no) | no.280 |
| Page | pp.33-37 |
| #Pages | 5 |
| Date of Issue | 2010-11-08 (MI) |
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