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Paper Abstract and Keywords
Presentation 2011-03-08 10:50
Color Image Restoration by Embedding Chrominance to Luminance in Frequency Domain
Haruki Suzuki, Yuichi Tanaka, Madoka Hasegawa, Shigeo Kato (Utsunomiya Univ.) IE2010-185 MVE2010-173
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, several color restoration methods have been proposed to restore a color image from a monochrome image. Generally, side information is needed to recover the color image because the color information is lost when the color image is converted to the monochrome image. Queiroz et al. proposed a method that converts an original color image into a luminance signal whose high frequency components are replaced with sub-sampled chrominance signals. However, in their method, block noise in the restored color image is yielded since they used fixed block size DCT to obtain frequency components. In this paper, we propose an improved color restoration method using variable block size which is decided based on the power of high frequency components of the chrominance signal. Simulation results show our method improves the image quality of the restored color image as well as the chrominance-embedded monochrome image.
Keyword (in Japanese) (See Japanese page) 
(in English) Watermarking / Color Embedding / Color Image Restoration / / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 456, IE2010-185, pp. 231-236, March 2011.
Paper # IE2010-185 
Date of Issue 2011-02-28 (IE, MVE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee CQ MVE IE  
Conference Date 2011-03-07 - 2011-03-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Yasuragi IOUJIMA 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Quality of Five Senses Media, Communication Design, Image Coding, Food Media, General Area 
Paper Information
Registration To IE 
Conference Code 2011-03-CQ-MVE-IE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Color Image Restoration by Embedding Chrominance to Luminance in Frequency Domain 
Sub Title (in English)  
Keyword(1) Watermarking  
Keyword(2) Color Embedding  
Keyword(3) Color Image Restoration  
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1st Author's Name Haruki Suzuki  
1st Author's Affiliation Utsunomiya University (Utsunomiya Univ.)
2nd Author's Name Yuichi Tanaka  
2nd Author's Affiliation Utsunomiya University (Utsunomiya Univ.)
3rd Author's Name Madoka Hasegawa  
3rd Author's Affiliation Utsunomiya University (Utsunomiya Univ.)
4th Author's Name Shigeo Kato  
4th Author's Affiliation Utsunomiya University (Utsunomiya Univ.)
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Speaker Author-1 
Date Time 2011-03-08 10:50:00 
Presentation Time 25 minutes 
Registration for IE 
Paper # IE2010-185, MVE2010-173 
Volume (vol) vol.110 
Number (no) no.456(IE), no.457(MVE) 
Page pp.231-236 
#Pages
Date of Issue 2011-02-28 (IE, MVE) 


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