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Paper Abstract and Keywords
Presentation 2009-02-05 15:20
Evaluations of Denoising Performance of Wavelet Color-Image Denoising Method with L1-L2 and/or L2-L2 Color-Shrinkage Schemes
Nobuhiro Fujii, Takashi Komatsu, Takahiro Saito (Kanagawa Univ.) ITS2008-79 IE2008-249
Abstract (in Japanese) (See Japanese page) 
(in English) We have proposed the L1-L2 and L2-L2 color-shrinkage schemes, and have shown that the application of the color-shrinkage schemes to color-image denoising in a redundant wavelet transform domain achieves excellent denoising performance. This paper presents how to derive the color-shrinkage schemes, their iterative update algorithms and their convergence characteristics, the improvement of denoising performance by utilizing the ML estimates of signal variance. Moreover, this paper shows the result of denoising simulations conducted on noisy color-images contaminated with signal-dependent noise equivalent to ISO1600 and/or ISO6400, and demonstrates the superiority of our proposed denoising methods over the existing methods.
Keyword (in Japanese) (See Japanese page) 
(in English) Wavelet Transform / Color Shrinkage / Denoiging / / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 425, IE2008-249, pp. 255-260, Feb. 2009.
Paper # IE2008-249 
Date of Issue 2009-01-28 (ITS, IE) 
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 ITS2008-79 IE2008-249

Conference Information
Committee IE ITS ITE-HI ITE-ME ITE-AIT  
Conference Date 2009-02-04 - 2009-02-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Graduate School of Information Science and Technology Hokkaido Univ 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Image Processings for ITS, Visual Media Engineering, etc. 
Paper Information
Registration To IE 
Conference Code 2009-02-IE-ITS-HI-ME-AIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluations of Denoising Performance of Wavelet Color-Image Denoising Method with L1-L2 and/or L2-L2 Color-Shrinkage Schemes 
Sub Title (in English)  
Keyword(1) Wavelet Transform  
Keyword(2) Color Shrinkage  
Keyword(3) Denoiging  
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1st Author's Name Nobuhiro Fujii  
1st Author's Affiliation Kanagawa Univerisity (Kanagawa Univ.)
2nd Author's Name Takashi Komatsu  
2nd Author's Affiliation Kanagawa Univerisity (Kanagawa Univ.)
3rd Author's Name Takahiro Saito  
3rd Author's Affiliation Kanagawa Univerisity (Kanagawa Univ.)
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Speaker Author-1 
Date Time 2009-02-05 15:20:00 
Presentation Time 25 minutes 
Registration for IE 
Paper # ITS2008-79, IE2008-249 
Volume (vol) vol.108 
Number (no) no.424(ITS), no.425(IE) 
Page pp.255-260 
#Pages
Date of Issue 2009-01-28 (ITS, IE) 


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