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Paper Abstract and Keywords
Presentation 2014-02-17 09:20
Extended Joint Bilateral Filtering for Color Quality Enhancement
Naofumi Wada, Masato Kazui (Samsung), Miki Haseyama (Hokkaido Univ.) ITS2013-30 IE2013-95
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose a simple and effective technique, named extended joint bilateral filter, to improve color quality for images with color degradation by compression. Lossy compression generates image quality degradation caused by quantization error. Chroma components also have degradation not only by quantization but also by sub-sampling in the YCbCr 4:2:0 color format. Our proposed method is a non-linear filtering for chroma while referring to all three components based on a correlation between luma and chroma. As a result, our method achieves both noise reduction and sharpness enhancement for chroma without color bleeding. We show that our method is effective in terms of both objective quality and subjective quality.
Keyword (in Japanese) (See Japanese page) 
(in English) Image compression / Color quality enhancement / Bilateral filter / Joint bilateral filter / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 434, IE2013-95, pp. 1-6, Feb. 2014.
Paper # IE2013-95 
Date of Issue 2014-02-10 (ITS, IE) 
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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF ITS2013-30 IE2013-95

Conference Information
Conference Date 2014-02-17 - 2014-02-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) ITS Image Processing, etc. 
Paper Information
Registration To IE 
Conference Code 2014-02-ITS-IE-AIT-HI-ME 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Extended Joint Bilateral Filtering for Color Quality Enhancement 
Sub Title (in English)  
Keyword(1) Image compression  
Keyword(2) Color quality enhancement  
Keyword(3) Bilateral filter  
Keyword(4) Joint bilateral filter  
1st Author's Name Naofumi Wada  
1st Author's Affiliation Samsung R&D Institute Japan (Samsung)
2nd Author's Name Masato Kazui  
2nd Author's Affiliation Samsung R&D Institute Japan (Samsung)
3rd Author's Name Miki Haseyama  
3rd Author's Affiliation Hokkaido University (Hokkaido Univ.)
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Date Time 2014-02-17 09:20:00 
Presentation Time 15 
Registration for IE 
Paper # IEICE-ITS2013-30,IEICE-IE2013-95 
Volume (vol) IEICE-113 
Number (no) no.433(ITS), no.434(IE) 
Page pp.1-6 
#Pages IEICE-6 
Date of Issue IEICE-ITS-2014-02-10,IEICE-IE-2014-02-10 

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