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Paper Abstract and Keywords
Presentation 2011-07-12 10:00
Automatic method for measuring mandibular cortical thickness by using active contour model on dental panoramic radiographs
Takuya Matsumoto, Tatsuro Hayashi, Takeshi Hara (Gifu Univ.), Akitoshi Katsumata (Asahi Univ.), Chisako Muramatsu, Xiangrong Zhou (Gifu Univ.), Yukihiro Iida, Masato Matsuoka, Kiyoji Katagi (Asahi Univ.), Hiroshi Fujita (Gifu Univ.) MI2011-32
Abstract (in Japanese) (See Japanese page) 
(in English) The purpose of this study is to develop an automated mandibular cortical thickness (MCT) measurement method on dental panoramic radiographs (DPRs). The relevance of deteriorated MCT and osteoporotic diseases has been paid to attention. First, the mandibular contour was detected by use of an active contour model. The locations of mental foramens were estimated on the basis of the mandibular contour. Finally, MCT was measured on the basis of the grayscale profile analysis. A hundred of DPRs were used to evaluate our proposed scheme. As a result, the sensitivity and specificity were 89% and 94%, respectively. Experimental results showed that our system may contribute for screening osteoporotic diseases at an early stage.
Keyword (in Japanese) (See Japanese page) 
(in English) Osteoporosis / Dental panoramic radiographs / Active contour model / Mandibular Cortical thickness / Computer-aided diagnosis / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 127, MI2011-32, pp. 1-5, July 2011.
Paper # MI2011-32 
Date of Issue 2011-07-05 (MI) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 2011-07-12 - 2011-07-13 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General Medical Imaging 
Paper Information
Registration To MI 
Conference Code 2011-07-MI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Automatic method for measuring mandibular cortical thickness by using active contour model on dental panoramic radiographs 
Sub Title (in English)  
Keyword(1) Osteoporosis  
Keyword(2) Dental panoramic radiographs  
Keyword(3) Active contour model  
Keyword(4) Mandibular Cortical thickness  
Keyword(5) Computer-aided diagnosis  
Keyword(6)  
Keyword(7)  
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1st Author's Name Takuya Matsumoto  
1st Author's Affiliation Gifu University (Gifu Univ.)
2nd Author's Name Tatsuro Hayashi  
2nd Author's Affiliation Gifu University (Gifu Univ.)
3rd Author's Name Takeshi Hara  
3rd Author's Affiliation Gifu University (Gifu Univ.)
4th Author's Name Akitoshi Katsumata  
4th Author's Affiliation Asahi University (Asahi Univ.)
5th Author's Name Chisako Muramatsu  
5th Author's Affiliation Gifu University (Gifu Univ.)
6th Author's Name Xiangrong Zhou  
6th Author's Affiliation Gifu University (Gifu Univ.)
7th Author's Name Yukihiro Iida  
7th Author's Affiliation Asahi University (Asahi Univ.)
8th Author's Name Masato Matsuoka  
8th Author's Affiliation Asahi University (Asahi Univ.)
9th Author's Name Kiyoji Katagi  
9th Author's Affiliation Asahi University (Asahi Univ.)
10th Author's Name Hiroshi Fujita  
10th Author's Affiliation Gifu University (Gifu Univ.)
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Speaker Author-1 
Date Time 2011-07-12 10:00:00 
Presentation Time 30 minutes 
Registration for MI 
Paper # MI2011-32 
Volume (vol) vol.111 
Number (no) no.127 
Page pp.1-5 
#Pages 5 
Date of Issue 2011-07-05 (MI) 

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