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Paper Abstract and Keywords
Presentation 2009-03-13 09:30
none
Toshihiro Arima, Yasuyuki Sugaya (Toyohashi Univ. of Tech.) PRMU2008-244
Abstract (in Japanese) (See Japanese page) 
(in English) We present a new method for detecting ellipses from images, which based on ellipse fitting. Even if obtained points cover only a part of an ellipse, ellipse fitting method can accurately estimate its ellipse parameters if the points lie on the ellipse. For detecting ellipses from an image, we first extract edge points from the image. The most important problem
to detect ellipses by ellipse fitting is how to select edge points to fit an ellipse. In this paper, we propose an edge detection method based on ellipse fitting. This method consists of two procedures. We first detect ellipses by using RANSAC based ellipse fitting. In the next step, we iteratively integrate edge points which lie on the same ellipse by using
model selection and re-fitting an ellipse. Using real image experiments, we demonstrate effectiveness of our method.
Keyword (in Japanese) (See Japanese page) 
(in English) ellipse detection / ellipse fitting / RANSAC / model selection / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 484, PRMU2008-244, pp. 25-32, March 2009.
Paper # PRMU2008-244 
Date of Issue 2009-03-06 (PRMU) 
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)
Download PDF PRMU2008-244

Conference Information
Committee PRMU  
Conference Date 2009-03-13 - 2009-03-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PRMU 
Conference Code 2009-03-PRMU 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) none 
Sub Title (in English)  
Keyword(1) ellipse detection  
Keyword(2) ellipse fitting  
Keyword(3) RANSAC  
Keyword(4) model selection  
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1st Author's Name Toshihiro Arima  
1st Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. of Tech.)
2nd Author's Name Yasuyuki Sugaya  
2nd Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. of Tech.)
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Speaker Author-1 
Date Time 2009-03-13 09:30:00 
Presentation Time 30 minutes 
Registration for PRMU 
Paper # PRMU2008-244 
Volume (vol) vol.108 
Number (no) no.484 
Page pp.25-32 
#Pages 8 
Date of Issue 2009-03-06 (PRMU) 

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