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Paper Abstract and Keywords
Presentation 2012-10-29 14:30
Utilization of knee motion model for automated knee implant kinematic analysis based on 2D/3D registration
Ryogo Kamei (Ritsumei Univ.), Takaharu Yamazaki, Toshiyuki Okada, Noriyuki Fukuda, Kazuomi Sugamoto, Hideki Yoshikawa (Osaka Univ.), Yen-Wei Chen (Ritsumei Univ.), Noriyuki Tomiyama, Yoshinobu Sato (Osaka Univ.) MI2012-57
Abstract (in Japanese) (See Japanese page) 
(in English) To achieve 3D kinematic analysis of artificial knee implants, 2D/3D registration technique, which uses X-ray fluoroscopic images and 3D CAD model of the knee implant, needed labor intensive and time-consuming manual operations to set initial pose of 3D model and that was one of the problems for practical clinical applications. We proposed the method to automatically determine the initial pose using feature points extracted from the previous and next frames. In previous method, however, 3D poses are estimated unstably in some frames. In this study, we introduce information of relative knee motion, obtained from a lot of analyzed 3D kinematic data of artificial knee implants, to improve initial pose estimation and automation of 3D kinematic analysis. As a result of experiments using actual fluoroscopic images, we showed stable result in proposed method than the conventional method.
Keyword (in Japanese) (See Japanese page) 
(in English) 3D Kinematic analysis / 2D/3D registration / Automation / initial pose estimation / knee motion model / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 271, MI2012-57, pp. 49-54, Oct. 2012.
Paper # MI2012-57 
Date of Issue 2012-10-22 (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 2012-10-29 - 2012-10-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Yamaguchi Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Biomedical Engineering and Medical Image Processing 
Paper Information
Registration To MI 
Conference Code 2012-10-MI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Utilization of knee motion model for automated knee implant kinematic analysis based on 2D/3D registration 
Sub Title (in English)  
Keyword(1) 3D Kinematic analysis  
Keyword(2) 2D/3D registration  
Keyword(3) Automation  
Keyword(4) initial pose estimation  
Keyword(5) knee motion model  
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Keyword(7)  
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1st Author's Name Ryogo Kamei  
1st Author's Affiliation Ritsumeikan University (Ritsumei Univ.)
2nd Author's Name Takaharu Yamazaki  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Toshiyuki Okada  
3rd Author's Affiliation Osaka University (Osaka Univ.)
4th Author's Name Noriyuki Fukuda  
4th Author's Affiliation Osaka University (Osaka Univ.)
5th Author's Name Kazuomi Sugamoto  
5th Author's Affiliation Osaka University (Osaka Univ.)
6th Author's Name Hideki Yoshikawa  
6th Author's Affiliation Osaka University (Osaka Univ.)
7th Author's Name Yen-Wei Chen  
7th Author's Affiliation Ritsumeikan University (Ritsumei Univ.)
8th Author's Name Noriyuki Tomiyama  
8th Author's Affiliation Osaka University (Osaka Univ.)
9th Author's Name Yoshinobu Sato  
9th Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2012-10-29 14:30:00 
Presentation Time 15 minutes 
Registration for MI 
Paper # MI2012-57 
Volume (vol) vol.112 
Number (no) no.271 
Page pp.49-54 
#Pages 6 
Date of Issue 2012-10-22 (MI) 

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