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Paper Abstract and Keywords
Presentation 2014-03-07 10:55
Image denosing by using soft-close/open invariance priors
Naoya Fujiwara (Osaka Univ.), Makoto Nakashizuka (Chiba Inst. of Tech.), Youji Iiguni (Osaka Univ.) CAS2013-114 SIP2013-160 CS2013-127
Abstract (in Japanese) (See Japanese page) 
(in English) In this report, we propose a regularization based denoising method using soft-morphological filters as the image prior..
Closing and opening of the morphological filter are filters which approximate an image or its complement by the union of the structural elements.
In this paper, we assume that the image to be estimated is invariant by closing and opening to define the image prior.
However, Closing and opening have less ability to remove Gaussian noises. So, some components of the Gaussain noise appear in the recovered image.
In order to reduce the sensitivity to Gaussian noise, we introduce the soft-morphology to the opening and closing for the image prior.
We show the noise reduction by proposed image prior and compare with the regularization method that imposes penalty on the luminance gradient of the image.
Keyword (in Japanese) (See Japanese page) 
(in English) morphorogical filter / soft morphological filter / regularization / image recovery / image denoise / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 464, SIP2013-160, pp. 139-144, March 2014.
Paper # SIP2013-160 
Date of Issue 2014-02-27 (CAS, SIP, CS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Notes on Review This article is a technical report without peer review, and its polished version will be published elsewhere.
Download PDF CAS2013-114 SIP2013-160 CS2013-127

Conference Information
Committee CS CAS SIP  
Conference Date 2014-03-06 - 2014-03-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka City University Media Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network Processor, Signal Processing for Communication, Wireless LAN/PAN, etc. 
Paper Information
Registration To SIP 
Conference Code 2014-03-CS-CAS-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Image denosing by using soft-close/open invariance priors 
Sub Title (in English)  
Keyword(1) morphorogical filter  
Keyword(2) soft morphological filter  
Keyword(3) regularization  
Keyword(4) image recovery  
Keyword(5) image denoise  
1st Author's Name Naoya Fujiwara  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Makoto Nakashizuka  
2nd Author's Affiliation Chiba Institute of Technology (Chiba Inst. of Tech.)
3rd Author's Name Youji Iiguni  
3rd Author's Affiliation Osaka University (Osaka Univ.)
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Date Time 2014-03-07 10:55:00 
Presentation Time 25 
Registration for SIP 
Paper # IEICE-CAS2013-114,IEICE-SIP2013-160,IEICE-CS2013-127 
Volume (vol) IEICE-113 
Number (no) no.463(CAS), no.464(SIP), no.465(CS) 
Page pp.139-144 
#Pages IEICE-6 
Date of Issue IEICE-CAS-2014-02-27,IEICE-SIP-2014-02-27,IEICE-CS-2014-02-27 

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