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Paper Abstract and Keywords
Presentation 2016-12-08 11:40
Hue-Preserving Color Image Processing with a High Arbitrariness without Gamut Problem
Minako Kamiyama, Akira Taguchi (Tokyo City Univ.) SIS2016-31
Abstract (in Japanese) (See Japanese page) 
(in English) Preserving hue is an important issue for color image processing. In order to preserve hue, color image processing is often carried out in HSI or HSV color space which is translated from RGB color space. Transforming from RGB color space to another and processing in these spaces usually generate gamut problem. We propose image enhancement algorithms which conserve hue and preserve the range (gamut) of the R, G, B channels. First we show an intensity processing method while preserving hue and saturation. In this method, arbitrary gray-scale transform functions can be applied in the intensity component. Next, a hue and intensity preserving saturation mapping method is proposed. Arbitrary gray-scale methods can be also applied in the saturation mapping. Finally, we combine two methods and realize the hue-preserving color image processing with a high arbitrariness without gamut problem. Numerical results confirm our theoretical results and show that our processing scheme performs much better than the conventional hue-preserving methods.
Keyword (in Japanese) (See Japanese page) 
(in English) Color space / enhancement / gamut / hue preserving / intensity / saturation / gray-level transformation /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 344, SIS2016-31, pp. 19-24, Dec. 2016.
Paper # SIS2016-31 
Date of Issue 2016-12-01 (SIS) 
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)
Download PDF SIS2016-31

Conference Information
Committee SIS  
Conference Date 2016-12-08 - 2016-12-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Hiroshima City Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) System on Silicon, Short Range Wireless Systems, etc. 
Paper Information
Registration To SIS 
Conference Code 2016-12-SIS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Hue-Preserving Color Image Processing with a High Arbitrariness without Gamut Problem 
Sub Title (in English)  
Keyword(1) Color space  
Keyword(2) enhancement  
Keyword(3) gamut  
Keyword(4) hue preserving  
Keyword(5) intensity  
Keyword(6) saturation  
Keyword(7) gray-level transformation  
Keyword(8)  
1st Author's Name Minako Kamiyama  
1st Author's Affiliation Tokyo City University (Tokyo City Univ.)
2nd Author's Name Akira Taguchi  
2nd Author's Affiliation Tokyo City University (Tokyo City Univ.)
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Speaker Author-1 
Date Time 2016-12-08 11:40:00 
Presentation Time 20 minutes 
Registration for SIS 
Paper # SIS2016-31 
Volume (vol) vol.116 
Number (no) no.344 
Page pp.19-24 
#Pages 6 
Date of Issue 2016-12-01 (SIS) 

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