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Paper Abstract and Keywords
Presentation 2009-07-15 11:40
cortical and cancellous bone partition and normalized density map of the vertebral bodies based on generalized cylinder model
Shouhei Hanaoka (Tokyo univ.), Yukihiro Nomura, Mitsutaka Nemoto, Yoshitaka Masutani, Eriko Maeda, Takeharu Yoshikawa, Naoto Hayashi, Naoki Yoshioka, Kuni Ohtomo (Tokyo univ) MI2009-46
Abstract (in Japanese) (See Japanese page) 
(in English) We developed a 2-D deformable model of a cross-sectional vertebral body shape for cancellous bone segmentation in clinical CT images. We used Active Shape Model(ASM) for that purpose. Several models, with different control-point-set choosing rules and degree of freedoms, were evaluated. To evaluate the models, overlap criteria and maximal distance between the model and the actual cross-sectional shape were used. Feasibility of vertebral cancellous bone segmentation was also demonstrated with use of a novel 3-D 'generalized cylinder' model, which has deformable cross-section shapes.
Keyword (in Japanese) (See Japanese page) 
(in English) Segmentation / Vertebra / CT images / Active shape model / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 127, MI2009-46, pp. 33-38, July 2009.
Paper # MI2009-46 
Date of Issue 2009-07-08 (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 2009-07-15 - 2009-07-15 
Place (in Japanese) (See Japanese page) 
Place (in English) AIST Tokyo waterfront annex 11F meeting room #1 
Topics (in Japanese) (See Japanese page) 
Topics (in English) general medical imaging 
Paper Information
Registration To MI 
Conference Code 2009-07-MI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) cortical and cancellous bone partition and normalized density map of the vertebral bodies based on generalized cylinder model 
Sub Title (in English)  
Keyword(1) Segmentation  
Keyword(2) Vertebra  
Keyword(3) CT images  
Keyword(4) Active shape model  
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Keyword(6)  
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1st Author's Name Shouhei Hanaoka  
1st Author's Affiliation Tokyo University (Tokyo univ.)
2nd Author's Name Yukihiro Nomura  
2nd Author's Affiliation Tokyo University (Tokyo univ)
3rd Author's Name Mitsutaka Nemoto  
3rd Author's Affiliation Tokyo University (Tokyo univ)
4th Author's Name Yoshitaka Masutani  
4th Author's Affiliation Tokyo University (Tokyo univ)
5th Author's Name Eriko Maeda  
5th Author's Affiliation Tokyo University (Tokyo univ)
6th Author's Name Takeharu Yoshikawa  
6th Author's Affiliation Tokyo University (Tokyo univ)
7th Author's Name Naoto Hayashi  
7th Author's Affiliation Tokyo University (Tokyo univ)
8th Author's Name Naoki Yoshioka  
8th Author's Affiliation Tokyo University (Tokyo univ)
9th Author's Name Kuni Ohtomo  
9th Author's Affiliation Tokyo University (Tokyo univ)
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Speaker Author-1 
Date Time 2009-07-15 11:40:00 
Presentation Time 20 minutes 
Registration for MI 
Paper # MI2009-46 
Volume (vol) vol.109 
Number (no) no.127 
Page pp.33-38 
#Pages 6 
Date of Issue 2009-07-08 (MI) 

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