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Paper Abstract and Keywords
Presentation 2023-03-14 14:20
Principle Study of the Dual-Energy Method Introducing Scattered X-rays
Takumi Nishiyama, Naohiro Toda (Aichi Prefectural Univ.) MBE2022-63
Abstract (in Japanese) (See Japanese page) 
(in English) X-ray CT is a medical imaging system in which an X-ray source is rotated along a cross-section of the human body, the transmission intensity of the X-ray source is detected by an X-ray detector, and a cross-sectional image is reconstructed by a computer. In X-ray CT imaging, scattered X-rays have been removed or corrected as a major cause of artifacts in the reconstructed image. However, scattered X-rays are considered to contain information about the object, and it has been shown that the accuracy of reconstruction can be improved by using such information. There is a previous study that suggests that the coefficients of two basis functions can be estimated in a single irradiation by using scattered X-rays in the Dual-Energy X-ray CT method. In that study, only the photoelectric effect and Compton scattering were considered as X-ray interactions. In this study, we introduced Rayleigh scattering in addition to them and verified the possibility of improving the estimation accuracy with only one measurement by introducing scattered X-rays.
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. 122, no. 424, MBE2022-63, pp. 23-26, March 2023.
Paper # MBE2022-63 
Date of Issue 2023-03-06 (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 2023-03-13 - 2023-03-15 
Place (in Japanese) (See Japanese page) 
Place (in English) The Univ. of Electro-Communications 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Brain architecture, General 
Paper Information
Registration To MBE 
Conference Code 2023-03-NC-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Principle Study of the Dual-Energy Method Introducing Scattered X-rays 
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  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Takumi Nishiyama  
1st Author's Affiliation Aichi Prefectural University (Aichi Prefectural Univ.)
2nd Author's Name Naohiro Toda  
2nd Author's Affiliation Aichi Prefectural University (Aichi Prefectural Univ.)
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Speaker Author-1 
Date Time 2023-03-14 14:20:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2022-63 
Volume (vol) vol.122 
Number (no) no.424 
Page pp.23-26 
#Pages 4 
Date of Issue 2023-03-06 (MBE) 

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