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Paper Abstract and Keywords
Presentation 2007-09-20 09:25
3D Reconstruction of Femoral Shape Using Two 2D Radiographs and Parametric Model -- Experiments using in vivo radiographs --
Ryo Kurazume, Kahori Nakamura (Kyushu Univ.), Toshiyuki Okada, Yoshinobu Sato, Nobuhiko Sugano (Osaka Unuv.), Yumi Iwashita, Tsutomu Hasegawa (Kyushu Univ.) MI2007-36
Abstract (in Japanese) (See Japanese page) 
(in English) In medical diagnostic imaging, an X-ray CT scanner or a MRI system have
been widely used to examine 3D shapes or internal structures of living
organisms or bones. However, these apparatuses are generally very
expensive and of large size. A prior arrangement is also required before
an examination, and thus, it is not suitable for an urgent fracture
diagnosis in emergency treatment.
In this paper, we have proposed a method to estimate a patient-specific 3D shape of a femur from only two 2D radiographs using a parametric femoral model.
In addition, this paper introduces experiments using two radiographs of living bodies in a clinical setting. Experimental results show that obtained accuracy for shape estimation of four patients$’$ femurs is 0.8 to 1.1mm.
Keyword (in Japanese) (See Japanese page) 
(in English) Fluoroscopic images / Parametric femoral model / 2D Distance field / / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 220, MI2007-36, pp. 5-10, Sept. 2007.
Paper # MI2007-36 
Date of Issue 2007-09-13 (MI) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee MI  
Conference Date 2007-09-20 - 2007-09-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyushu Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MI 
Conference Code 2007-09-MI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) 3D Reconstruction of Femoral Shape Using Two 2D Radiographs and Parametric Model 
Sub Title (in English) Experiments using in vivo radiographs 
Keyword(1) Fluoroscopic images  
Keyword(2) Parametric femoral model  
Keyword(3) 2D Distance field  
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1st Author's Name Ryo Kurazume  
1st Author's Affiliation Kyushu University (Kyushu Univ.)
2nd Author's Name Kahori Nakamura  
2nd Author's Affiliation Kyushu University (Kyushu Univ.)
3rd Author's Name Toshiyuki Okada  
3rd Author's Affiliation Osaka University (Osaka Unuv.)
4th Author's Name Yoshinobu Sato  
4th Author's Affiliation Osaka University (Osaka Unuv.)
5th Author's Name Nobuhiko Sugano  
5th Author's Affiliation Osaka University (Osaka Unuv.)
6th Author's Name Yumi Iwashita  
6th Author's Affiliation Kyushu University (Kyushu Univ.)
7th Author's Name Tsutomu Hasegawa  
7th Author's Affiliation Kyushu University (Kyushu Univ.)
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Speaker Author-1 
Date Time 2007-09-20 09:25:00 
Presentation Time 25 minutes 
Registration for MI 
Paper # MI2007-36 
Volume (vol) vol.107 
Number (no) no.220 
Page pp.5-10 
#Pages
Date of Issue 2007-09-13 (MI) 


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