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Paper Abstract and Keywords
Presentation 2009-03-13 09:00
Color Restoration From Saturated Images -- Restration method up to 2 channel saturations --
Takanori Tamaki, Toshikazu Wada, Kazumasa Suzuki (Wakayama Univ.) PRMU2008-243
Abstract (in Japanese) (See Japanese page) 
(in English) When we take a photograph,excessive light over the dynamic range of the camera can be injected by proximal lighting or long exposure. Such excessive light will be clipped to the maximum intensity of the range. When this saturation occurs, the color balance may be broken. For relaxing the problem, many digital cameras have a special function that substitutes saturated colors by non-saturated likely colors. The likely colors are estimated from the pixels surrounding the saturated pixels. However, this method does not estimate the original colors over the maximum value but finds consistent colors less than the maximum value. In this report, we propose a method for estimating original colors over the maximum value by using Nearest Neighbor Search. This method can be applied to those colors up to two saturated color components.
Keyword (in Japanese) (See Japanese page) 
(in English) Color saturation / Nearest Neighbor Search / Color estimation / / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 484, PRMU2008-243, pp. 19-24, March 2009.
Paper # PRMU2008-243 
Date of Issue 2009-03-06 (PRMU) 
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 PRMU2008-243

Conference Information
Committee PRMU  
Conference Date 2009-03-13 - 2009-03-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PRMU 
Conference Code 2009-03-PRMU 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Color Restoration From Saturated Images 
Sub Title (in English) Restration method up to 2 channel saturations 
Keyword(1) Color saturation  
Keyword(2) Nearest Neighbor Search  
Keyword(3) Color estimation  
1st Author's Name Takanori Tamaki  
1st Author's Affiliation Wakayama University (Wakayama Univ.)
2nd Author's Name Toshikazu Wada  
2nd Author's Affiliation Wakayama University (Wakayama Univ.)
3rd Author's Name Kazumasa Suzuki  
3rd Author's Affiliation Wakayama University (Wakayama Univ.)
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Date Time 2009-03-13 09:00:00 
Presentation Time 30 
Registration for PRMU 
Paper # IEICE-PRMU2008-243 
Volume (vol) IEICE-108 
Number (no) no.484 
Page pp.19-24 
#Pages IEICE-6 
Date of Issue IEICE-PRMU-2009-03-06 

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