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Paper Abstract and Keywords
Presentation 2008-05-23 14:15
A semiautomatic method for extracting born contour from fluoroscopic image of the knee
Koji Oda, Toyohiko Hayashi, Yasuo Nakamura, Go Omori (Niigata Univ.) MBE2008-8
Abstract (in Japanese) (See Japanese page) 
(in English) In order to analyze knee motion after total knee arthroplasty (TKA), a 3-D model-based technique was developed by combining fluoroscopic image sequence of knee motion and 3-D model of prosthetic components. Knee motion analysis before TKA, however, has yet to be established, even though it is necessary to compare patient’s knee motion before and after TKA. To realize such analysis, we applied the 3-D model-based technique into knee motion analysis before TKA. But the problem is that bone contour of the knee is usually blurred, compared to that of prosthetic components, necessitating us to develop an accurate bone-contour extraction technique. Then, we developed a semiautomatic method capable of extracting bone contour iteratively from its initial one digitized manually. To evaluate its validity, we carried out several experiments, employing fluoroscopic images of 4 different knees. All empirical results suggested that our method would have a potential to extract accurate bone contour of the knee with high reproducibility.
Keyword (in Japanese) (See Japanese page) 
(in English) fluoroscopic image / born contour extraction / knee motion analysis / total knee arthroplasty / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 52, MBE2008-8, pp. 33-38, May 2008.
Paper # MBE2008-8 
Date of Issue 2008-05-16 (MBE) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 MBE  
Conference Date 2008-05-23 - 2008-05-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Faculty of Engineering, Toyama University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Medical Engineering 
Paper Information
Registration To MBE 
Conference Code 2008-05-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A semiautomatic method for extracting born contour from fluoroscopic image of the knee 
Sub Title (in English)  
Keyword(1) fluoroscopic image  
Keyword(2) born contour extraction  
Keyword(3) knee motion analysis  
Keyword(4) total knee arthroplasty  
1st Author's Name Koji Oda  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Toyohiko Hayashi  
2nd Author's Affiliation Niigata University (Niigata Univ.)
3rd Author's Name Yasuo Nakamura  
3rd Author's Affiliation Niigata University (Niigata Univ.)
4th Author's Name Go Omori  
4th Author's Affiliation Niigata University (Niigata Univ.)
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Date Time 2008-05-23 14:15:00 
Presentation Time 25 
Registration for MBE 
Paper # IEICE-MBE2008-8 
Volume (vol) IEICE-108 
Number (no) no.52 
Page pp.33-38 
#Pages IEICE-6 
Date of Issue IEICE-MBE-2008-05-16 

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