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Paper Abstract and Keywords
Presentation 2014-01-27 09:55
Extension of Exact Image Reconstruction Theory in Interior CT -- Reconstruction using A New Priori Knowledge --
Tomoya Kodera, Hiroyuki Kudo, Taizo Suzuki (Univ of Tsukuba) MI2013-93
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, we are interested in Interior CT which reconstructs images by using projection data through ROI (Region Of Interest). According to prior studies, if a tiny a priori knowledge on the object f(x,y) is available in the form that f(x,y) is known on a small region located inside the ROI, it assures reconstructed images of uniqueness and stability. But, it is difficult to get a priori knowledge inside ROI. Our study shows uniqueness and stability of reconstruction images by using new priori knowledge “The values in small region inside ROI is a constant value,” and constructs more principal image reconstruction method in Interior CT than the conventional methods . Finally, we verify our method with real data studies of image reconstruction using DBP (Differentiated Backprojection) method.
Keyword (in Japanese) (See Japanese page) 
(in English) CT / Image reconstruction / Interior problem / Truncation / Exposed dose reduction / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 410, MI2013-93, pp. 205-210, Jan. 2014.
Paper # MI2013-93 
Date of Issue 2014-01-19 (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)
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Conference Information
Committee MI  
Conference Date 2014-01-26 - 2014-01-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Bunka Tenbusu Kan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Computer Assisted Diagnosis and Therapy Based on Computational Anatomy, etc. 
Paper Information
Registration To MI 
Conference Code 2014-01-MI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Extension of Exact Image Reconstruction Theory in Interior CT 
Sub Title (in English) Reconstruction using A New Priori Knowledge 
Keyword(1) CT  
Keyword(2) Image reconstruction  
Keyword(3) Interior problem  
Keyword(4) Truncation  
Keyword(5) Exposed dose reduction  
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Keyword(7)  
Keyword(8)  
1st Author's Name Tomoya Kodera  
1st Author's Affiliation University of Tsukuba (Univ of Tsukuba)
2nd Author's Name Hiroyuki Kudo  
2nd Author's Affiliation University of Tsukuba (Univ of Tsukuba)
3rd Author's Name Taizo Suzuki  
3rd Author's Affiliation University of Tsukuba (Univ of Tsukuba)
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Speaker Author-1 
Date Time 2014-01-27 09:55:00 
Presentation Time 15 minutes 
Registration for MI 
Paper # MI2013-93 
Volume (vol) vol.113 
Number (no) no.410 
Page pp.205-210 
#Pages 6 
Date of Issue 2014-01-19 (MI) 

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