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Paper Abstract and Keywords
Presentation 2013-05-24 13:55
A semi-automatic contour extraction of the bones of the shoulder joint from Fluoroscopic X-ray image
Hiroki Shima, Toyohiko Hayashi (Niigata Univ.), Hiroshi Tanaka, Hiroki Ninomiya, Hiroaki Inui, Masahiko Komai, Katsuya Nobuhara (Nobuhara Hospital) MBE2013-7
Abstract (in Japanese) (See Japanese page) 
(in English) In order to analyze the motion of the shoulder, a method for measuring the position and orientation of the bone in three dimensions, named 2D/3D registration, has been developed by combining a three-dimensional bone model and fluoroscopic X-ray images. This method requires us to extract the bone contour from fluoroscopic X-ray image. Conventional methods, however, have several problems caused by manual extraction, such as subjectivity and the dependence upon examiner’s experience and technique. Then we developed a semi-automatic contour extraction by expanding our previous method in order to achieve more accurate and stable bone-contour extraction. The proposed method can estimate bone contour iteratively from an initial contour digitized roughly, using the gray level distribution of the image near the initial contour. In order to evaluate its effectiveness, we carried out several experiments using three different fluoroscopic X-ray images of the shoulder. All empirical results suggested that the proposed method would have a potential to extract an accurate bone contour of the shoulder with high reproducibility.
Keyword (in Japanese) (See Japanese page) 
(in English) shoulder / fluoroscopic X-ray image / born contour / 2D/3Dregistration / semi-automatic contour extraction / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 61, MBE2013-7, pp. 31-35, May 2013.
Paper # MBE2013-7 
Date of Issue 2013-05-17 (MBE) 
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 MBE  
Conference Date 2013-05-24 - 2013-05-24 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2013-05-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A semi-automatic contour extraction of the bones of the shoulder joint from Fluoroscopic X-ray image 
Sub Title (in English)  
Keyword(1) shoulder  
Keyword(2) fluoroscopic X-ray image  
Keyword(3) born contour  
Keyword(4) 2D/3Dregistration  
Keyword(5) semi-automatic contour extraction  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Hiroki Shima  
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 Hiroshi Tanaka  
3rd Author's Affiliation Nobuhara Hospital (Nobuhara Hospital)
4th Author's Name Hiroki Ninomiya  
4th Author's Affiliation Nobuhara Hospital (Nobuhara Hospital)
5th Author's Name Hiroaki Inui  
5th Author's Affiliation Nobuhara Hospital (Nobuhara Hospital)
6th Author's Name Masahiko Komai  
6th Author's Affiliation Nobuhara Hospital (Nobuhara Hospital)
7th Author's Name Katsuya Nobuhara  
7th Author's Affiliation Nobuhara Hospital (Nobuhara Hospital)
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Speaker Author-1 
Date Time 2013-05-24 13:55:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2013-7 
Volume (vol) vol.113 
Number (no) no.61 
Page pp.31-35 
#Pages 5 
Date of Issue 2013-05-17 (MBE) 

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