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Paper Abstract and Keywords
Presentation 2010-01-28 11:40
[Poster Presentation] Study of Implementation of Maximum-likelihood Reconstruction for Compton Camera
Yukio Okabe (Chiba Univ.), Taiga Yamaya, Eiji Yoshida, Fumihiko Nishikido (National Inst. of Radiological Sci.), Naoki Kawachi (JAEA), Mikio Suga (Chiba Univ.) MI2009-83
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper we compared two implementations, histogram mode(hist-mode) and list-mode,of -MLEM(maximum likelihood expectation maximization) image reconstruction for Compton camera.We carried out Monte Carlo simulation for a previously reported semiconductor Compton camera to generate Compton event data.
From results of image reconstruction for a point source , the hist-mode MLEM exceled in computation time and the list-mode MLEM exceled in spatial resolution. Because image reconstruction time is proportional to number of Compton event data- , the list-mode MLEM was superior to the hist-mode MLEM in terms of spatial resolution and image reconstruction time when the number of counts was fewer than the number of bins in the hist-mode MLEM.
Keyword (in Japanese) (See Japanese page) 
(in English) Compton camera / Iterative image reconstruction / ML-EM / List-mode / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 407, MI2009-83, pp. 47-51, Jan. 2010.
Paper # MI2009-83 
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 MI2009-83

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) Study of Implementation of Maximum-likelihood Reconstruction for Compton Camera 
Sub Title (in English)  
Keyword(1) Compton camera  
Keyword(2) Iterative image reconstruction  
Keyword(3) ML-EM  
Keyword(4) List-mode  
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Keyword(6)  
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1st Author's Name Yukio Okabe  
1st Author's Affiliation Graduate school of Chiba University (Chiba Univ.)
2nd Author's Name Taiga Yamaya  
2nd Author's Affiliation National Institute of Radiological Science (National Inst. of Radiological Sci.)
3rd Author's Name Eiji Yoshida  
3rd Author's Affiliation National Institute of Radiological Science (National Inst. of Radiological Sci.)
4th Author's Name Fumihiko Nishikido  
4th Author's Affiliation National Institute of Radiological Science (National Inst. of Radiological Sci.)
5th Author's Name Naoki Kawachi  
5th Author's Affiliation Japan Atomic Energy Agency (JAEA)
6th Author's Name Mikio Suga  
6th Author's Affiliation Graduate school of Chiba University (Chiba Univ.)
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Speaker Author-1 
Date Time 2010-01-28 11:40:00 
Presentation Time 30 minutes 
Registration for MI 
Paper # MI2009-83 
Volume (vol) vol.109 
Number (no) no.407 
Page pp.47-51 
#Pages 5 
Date of Issue 2010-01-21 (MI) 

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