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Paper Abstract and Keywords
Presentation 2013-05-25 15:00
Parametric Description of Image Edges by means of the Weighted Integral Method
Hidetoshi Goto, Hidekata Hontani (Nagoya Inst. of Tech.) IE2013-24 PRMU2013-17 MI2013-17
Abstract (in Japanese) (See Japanese page) 
(in English) The authors propose a new method that efficiently and accurately estimates the parameters of the Gaussian that describes the given local image profiles. The Gaussian function is non-linear with respect to the parameters to be estimated, and this non-linearity makes their efficient and accurate estimation difficult. In the proposed method, the weighted integral method is introduced to linearize the parameter estimation problem: A system of differential equations is firstly derived that is satisfied by the Gaussian and that is linear with respect to the parameters. The system is then converted to that of integral equations. Given a local sub-window of image, one can obtain the system of the integral equations and can estimate the parameters of the Gaussian that describe the appearance in the sub-window by solving the linear system of the parameters. Experimental results showed that our proposed method estimates the parameters more efficiently and accurately than existing state-of-the-art methods.
Keyword (in Japanese) (See Japanese page) 
(in English) feature description / parameter estimation problem / scale analysis / weighted integral method / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 63, PRMU2013-17, pp. 79-84, May 2013.
Paper # PRMU2013-17 
Date of Issue 2013-05-17 (IE, PRMU, 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)
Download PDF IE2013-24 PRMU2013-17 MI2013-17

Conference Information
Committee PRMU MI IE  
Conference Date 2013-05-24 - 2013-05-25 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PRMU 
Conference Code 2013-05-PRMU-MI-IE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Parametric Description of Image Edges by means of the Weighted Integral Method 
Sub Title (in English)  
Keyword(1) feature description  
Keyword(2) parameter estimation problem  
Keyword(3) scale analysis  
Keyword(4) weighted integral method  
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1st Author's Name Hidetoshi Goto  
1st Author's Affiliation Nagoya Institute of Technology (Nagoya Inst. of Tech.)
2nd Author's Name Hidekata Hontani  
2nd Author's Affiliation Nagoya Institute of Technology (Nagoya Inst. of Tech.)
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Speaker Author-1 
Date Time 2013-05-25 15:00:00 
Presentation Time 30 minutes 
Registration for PRMU 
Paper # IE2013-24, PRMU2013-17, MI2013-17 
Volume (vol) vol.113 
Number (no) no.62(IE), no.63(PRMU), no.64(MI) 
Page pp.79-84 
#Pages 6 
Date of Issue 2013-05-17 (IE, PRMU, MI) 

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