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Paper Abstract and Keywords
Presentation 2011-03-07 15:35
Simulation Study on Implementation of Cone-beam Dual-Energy CT using an Asymmetric Filter
Yoichi Yamazaki, Naohiro Toda (APU) MBE2010-108
Abstract (in Japanese) (See Japanese page) 
(in English) Dual-energy computed tompgraphy (DECT) provides specific information on the object. DECT can be achieved by two measurements at each beam line.
Yamazaki et al. proposed an implementation method of DECT with an asymmetrical absorption filter on the fan-beam geometry.However, it can not be applied to the cone-beam CT, because the two-times measurement is not always available. O'Sullivan proposed an iterative reconstruction algorithm for DECT. This algorithm dose not require the two-times measurement. We proposed a new implementation method of the asymmetric filter on the cone-beam DECT. But consideration for implementation is not enough. In this paper, an advantage of asymmetric shape is shown.
Moreover, considering the filter installation accuracy, we propose a method in which the pixel size around the origin is enlarged.
Keyword (in Japanese) (See Japanese page) 
(in English) Dual-energy X-ray CT / Cone beam CT / Asymmetric filter method / Iterative reconstruction algorithm / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 460, MBE2010-108, pp. 31-36, March 2011.
Paper # MBE2010-108 
Date of Issue 2011-02-28 (MBE) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 2011-03-07 - 2011-03-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Tamagawa University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2011-03-NC-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Simulation Study on Implementation of Cone-beam Dual-Energy CT using an Asymmetric Filter 
Sub Title (in English)  
Keyword(1) Dual-energy X-ray CT  
Keyword(2) Cone beam CT  
Keyword(3) Asymmetric filter method  
Keyword(4) Iterative reconstruction algorithm  
1st Author's Name Yoichi Yamazaki  
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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Date Time 2011-03-07 15:35:00 
Presentation Time 25 
Registration for MBE 
Paper # IEICE-MBE2010-108 
Volume (vol) IEICE-110 
Number (no) no.460 
Page pp.31-36 
#Pages IEICE-6 
Date of Issue IEICE-MBE-2011-02-28 

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