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Paper Abstract and Keywords
Presentation 2010-01-28 10:25
Image Reconstruction for Radon Transform using Bayes Inference
Hayaru Shouno (Univ. of Elector-Comm.), Masato Okada (Univ. of Tokyo) MI2009-78
Abstract (in Japanese) (See Japanese page) 
(in English) We propose an image reconstruction algorithm using Bayesian inference for the Radon transformed observation data, which is often appeared in the field of medical image reconstruction problem known as computed tomography (CT). In order to apply our Bayesian reconstruction method, we introduced several hyper-parameters which controls a kind of the ratio between prior information and a fidelity of the observation process. Since the quality of the reconstructed image is influenced by the estimation accuracy of those hyper-parameters, we propose an inference method for these hyper-parameters based on the marginal likelihood maximization principle as well as the method for image reconstruction. We show a improved reconstruction result rather than that of a conventional method, which is called Filtered Back Projection (FBP).
Keyword (in Japanese) (See Japanese page) 
(in English) Radon Transform / Bayes Inference / Image Reconstruction / Hyper-parameter inference / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 407, MI2009-78, pp. 19-24, Jan. 2010.
Paper # MI2009-78 
Date of Issue 2010-01-21 (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)
Download PDF MI2009-78

Conference Information
Committee MI  
Conference Date 2010-01-28 - 2010-01-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Naha-Bunka-Tenbusu 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Medical Imaging 
Paper Information
Registration To MI 
Conference Code 2010-01-MI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Image Reconstruction for Radon Transform using Bayes Inference 
Sub Title (in English)  
Keyword(1) Radon Transform  
Keyword(2) Bayes Inference  
Keyword(3) Image Reconstruction  
Keyword(4) Hyper-parameter inference  
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1st Author's Name Hayaru Shouno  
1st Author's Affiliation University of Elector-Communications (Univ. of Elector-Comm.)
2nd Author's Name Masato Okada  
2nd Author's Affiliation The university of Tokyo (Univ. of Tokyo)
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Speaker Author-1 
Date Time 2010-01-28 10:25:00 
Presentation Time 10 minutes 
Registration for MI 
Paper # MI2009-78 
Volume (vol) vol.109 
Number (no) no.407 
Page pp.19-24 
#Pages 6 
Date of Issue 2010-01-21 (MI) 

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