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Paper Abstract and Keywords
Presentation 2021-03-03 13:00
Reconstruction Accuracy of Dual-Energy X-ray Computed Tomography Introduced Scattered X-rays Measurement
Naoya Kondo, Naohiro Toda (APU) MBE2020-38
Abstract (in Japanese) (See Japanese page) 
(in English) In reconstruction of X-ray computed tomography (CT), scattered X-ray is considered to cause problems such as the occurrence of artifacts or cuppings. For this reason, the scattered X-ray is removed with a device called a grid or corrected with some software. However, since scattered X-ray is thought to have information about objects, it is expected that the reconstruction accuracy will be improved by using the information. So far, numerical studies have been conducted on single-color X-ray irradiation. In this paper, we investigate the case of multi-energy X-ray that imitate actual X-ray tubes. Here, we show that the reconstruction accuracy is improved by using scattered X-ray through Monte Carlo simulation using the Dual-Energy method which regards the attenuation coefficient of the object as the sum of the two components of interactions.
Keyword (in Japanese) (See Japanese page) 
(in English) X-ray CT / Scattered X-rays / Monte Carlo Simulation / Dual-Energy Method / Maximum Likelihood / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 402, MBE2020-38, pp. 1-6, March 2021.
Paper # MBE2020-38 
Date of Issue 2021-02-24 (MBE) 
ISSN Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee NC MBE  
Conference Date 2021-03-03 - 2021-03-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Neuro Computing, Medical Engineering, etc. 
Paper Information
Registration To MBE 
Conference Code 2021-03-NC-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Reconstruction Accuracy of Dual-Energy X-ray Computed Tomography Introduced Scattered X-rays Measurement 
Sub Title (in English)  
Keyword(1) X-ray CT  
Keyword(2) Scattered X-rays  
Keyword(3) Monte Carlo Simulation  
Keyword(4) Dual-Energy Method  
Keyword(5) Maximum Likelihood  
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1st Author's Name Naoya Kondo  
1st Author's Affiliation Aichi Prefectural University (APU)
2nd Author's Name Naohiro Toda  
2nd Author's Affiliation Aichi Prefectural University (APU)
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Speaker Author-1 
Date Time 2021-03-03 13:00:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2020-38 
Volume (vol) vol.120 
Number (no) no.402 
Page pp.1-6 
#Pages
Date of Issue 2021-02-24 (MBE) 


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