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| Presentation | 2022-07-08 14:50 Derivation of Blur Function of CT Image on the Basis of Stochastic Differential Equation Kuniharu Imai (Nagoya Univ), Yuki Yamamoto (Fujita Health Univ), Kengo Igarashi, Keisuke Fujii, Chiyo Kawaura, Shigeru Matsushima (Nagoya Univ)  IMQ2022-8 HIP2022-39 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Recently, various algorisms for reducing image noise on CT images have been developed and made it possible to depict a tiny and subtle lesion. On the other hand, it is well known that image signals on CT images were blurred by using noise reduction algorisms. Until now, Modulation Transfer Function (MTF) is the most commonly used method in quantitative evaluation of image sharpness of CT images and is adaptable to linear processing images. Therefore, sharpness of CT images reconstructed by various noise reduction algorisms, which are non-linear processing, cannot be evaluated using MTF. In this study, we have devised new method for evaluating sharpness of CT images on the bases of the stochastic differential equation. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Quantitative Evaluation of Image Sharpness / Stochastic Differential Equation / Blur Function / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 100, IMQ2022-8, pp. 21-26, July 2022. | |
| Paper # | IMQ2022-8 | |
| Date of Issue | 2022-07-01 (IMQ, HIP) | |
| ISSN | 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 | IMQ2022-8 HIP2022-39 |
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| Conference Information | |
| Committee | IMQ HIP |
| Conference Date | 2022-07-08 - 2022-07-08 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Satellite Campus, Sapporo City University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Image Media Quality and Human Information Processing |
| Paper Information | |
| Registration To | IMQ |
| Conference Code | 2022-07-IMQ-HIP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Derivation of Blur Function of CT Image on the Basis of Stochastic Differential Equation |
| Sub Title (in English) | |
| Keyword(1) | Quantitative Evaluation of Image Sharpness |
| Keyword(2) | Stochastic Differential Equation |
| Keyword(3) | Blur Function |
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| Keyword(5) | |
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| Keyword(8) | |
| 1st Author's Name | Kuniharu Imai |
| 1st Author's Affiliation | Nagoya University (Nagoya Univ) |
| 2nd Author's Name | Yuki Yamamoto |
| 2nd Author's Affiliation | Fujita Health University Okazaki Medical Center (Fujita Health Univ) |
| 3rd Author's Name | Kengo Igarashi |
| 3rd Author's Affiliation | Nagoya University (Nagoya Univ) |
| 4th Author's Name | Keisuke Fujii |
| 4th Author's Affiliation | Nagoya University (Nagoya Univ) |
| 5th Author's Name | Chiyo Kawaura |
| 5th Author's Affiliation | Nagoya University (Nagoya Univ) |
| 6th Author's Name | Shigeru Matsushima |
| 6th Author's Affiliation | Nagoya University (Nagoya Univ) |
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| Speaker | Author-2 |
| Date Time | 2022-07-08 14:50:00 |
| Presentation Time | 25 minutes |
| Registration for | IMQ |
| Paper # | IMQ2022-8, HIP2022-39 |
| Volume (vol) | vol.122 |
| Number (no) | no.100(IMQ), no.101(HIP) |
| Page | pp.21-26 |
| #Pages | 6 |
| Date of Issue | 2022-07-01 (IMQ, HIP) |
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