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Paper Abstract and Keywords
Presentation 2013-03-07 15:20
Color Image Enhancement Based on Differential Vallue of Intensity/Saturation Components Histogram Equalization
Keita Nakai, Akira Taguchi (Tokyo City Univ.) SIS2012-56
Abstract (in Japanese) (See Japanese page) 
(in English) A novel image enhancement method in HSI space is proposed in this paper. If hue is changed then the color gets changed, there by distorting the image. Thus, hue preservation is necessary for color image enhancement. Therefore, only intensity component is processed by using intensity and saturation information in the proposed method. The differential value histogram equalization (DHE) is one of excellent enhancement methods for gray-scale images. In DHE method, the gray-level transformation function is generated by using the accumulated differential gray-levels. This paper presents the DHE methods for color images. In the case of the color image, it is well known that the saturation component correlates strongly with the intensity component. In the proposed method, the intensity-level transformation function is derived using both the accumulated differential intensity-level and the accumulated differential saturation-level. The proposed method realized the high quality and colorful color image enhancement.
Keyword (in Japanese) (See Japanese page) 
(in English) color image enhancement / hue / saturation / intensity / differential value histogram equalization / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 465, SIS2012-56, pp. 61-64, March 2013.
Paper # SIS2012-56 
Date of Issue 2013-02-28 (SIS) 
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)
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Conference Information
Committee SIS  
Conference Date 2013-03-07 - 2013-03-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Create Hamamatsu 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SIS 
Conference Code 2013-03-SIS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Color Image Enhancement Based on Differential Vallue of Intensity/Saturation Components Histogram Equalization 
Sub Title (in English)  
Keyword(1) color image enhancement  
Keyword(2) hue  
Keyword(3) saturation  
Keyword(4) intensity  
Keyword(5) differential value histogram equalization  
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Keyword(8)  
1st Author's Name Keita Nakai  
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 2013-03-07 15:20:00 
Presentation Time 20 minutes 
Registration for SIS 
Paper # SIS2012-56 
Volume (vol) vol.112 
Number (no) no.465 
Page pp.61-64 
#Pages 4 
Date of Issue 2013-02-28 (SIS) 

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