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Paper Abstract and Keywords
Presentation 2011-05-20 13:00
Initial pose estimation for automated knee implant kinematic analysis from X-ray images
Ryogo Kamei (Ritumeikan Univ.), Takaharu Yamazaki (The Center for Advanced Medical Engineering and Informatics, Osa), Toshiyuki Okada, Kazuomi Sugamoto, Hideki Yoshikawa (Osaka Univ.), Yen-Wei Chen (Ritumeikan Univ.), Noriyuki Tomiyama, Yoshinobu Sato (Osaka Univ.) IE2011-28 PRMU2011-20 MI2011-20
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 computer assisted design model of the knee implant, have been applied to clinical cases. In previous method, however, we had to set the initial pose of 2D/3D registration with manual operations, and that was one of the problems for practical clinical applications. In this paper, we propose an improved method to automatically determine the initial pose using rigid body tracking with feature points of X-ray images. As a result of experiments using actual fluoroscopic images, we showed that the proposed method was effective for initial pose estimation than the conventional method.
Keyword (in Japanese) (See Japanese page) 
(in English) 3D Kinematic analysis / 2D/3D registration / Automation / initial pose estimation / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 49, MI2011-20, pp. 111-116, May 2011.
Paper # MI2011-20 
Date of Issue 2011-05-12 (IE, PRMU, MI) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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)
Download PDF IE2011-28 PRMU2011-20 MI2011-20

Conference Information
Committee PRMU MI IE  
Conference Date 2011-05-19 - 2011-05-20 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MI 
Conference Code 2011-05-PRMU-MI-IE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Initial pose estimation for automated knee implant kinematic analysis from X-ray images 
Sub Title (in English)  
Keyword(1) 3D Kinematic analysis  
Keyword(2) 2D/3D registration  
Keyword(3) Automation  
Keyword(4) initial pose estimation  
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1st Author's Name Ryogo Kamei  
1st Author's Affiliation Ritumeikan University (Ritumeikan Univ.)
2nd Author's Name Takaharu Yamazaki  
2nd Author's Affiliation The Center for Advanced Medical Engineering and Informatics, Osaka University (The Center for Advanced Medical Engineering and Informatics, Osa)
3rd Author's Name Toshiyuki Okada  
3rd Author's Affiliation Graduate School of Medicine, Osaka University, Osaka, Japan (Osaka Univ.)
4th Author's Name Kazuomi Sugamoto  
4th Author's Affiliation Graduate School of Medicine, Osaka University, Osaka, Japan (Osaka Univ.)
5th Author's Name Hideki Yoshikawa  
5th Author's Affiliation Graduate School of Medicine, Osaka University, Osaka, Japan (Osaka Univ.)
6th Author's Name Yen-Wei Chen  
6th Author's Affiliation Ritumeikan University (Ritumeikan Univ.)
7th Author's Name Noriyuki Tomiyama  
7th Author's Affiliation Graduate School of Medicine, Osaka University, Osaka, Japan (Osaka Univ.)
8th Author's Name Yoshinobu Sato  
8th Author's Affiliation Graduate School of Medicine, Osaka University, Osaka, Japan (Osaka Univ.)
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Speaker Author-1 
Date Time 2011-05-20 13:00:00 
Presentation Time 30 minutes 
Registration for MI 
Paper # IE2011-28, PRMU2011-20, MI2011-20 
Volume (vol) vol.111 
Number (no) no.47(IE), no.48(PRMU), no.49(MI) 
Page pp.111-116 
#Pages
Date of Issue 2011-05-12 (IE, PRMU, MI) 


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