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Paper Abstract and Keywords
Presentation 2010-09-03 10:40
Generalization of the Image Enhancement Method Based on the Histogram Equalization
Takashi Kawakami, Kota Murahira, Akira Taguchi (Tokyo City Univ.) SIS2010-27
Abstract (in Japanese) (See Japanese page) 
(in English) Histogram equalization (HE) is one of the typical image contrast enhancement methods. The unique transformation function is derived by the HE. For example, the number of pixels is concentrated in low/high values, the unnecessary enhancement is made. In some cases, the average brightness of image is changed by the HE. In order to conquer the defects, contrast enhancement based on differential gray-levels histogram and brightness preserving bi-histogram equalization method, are proposed. In this paper, we propose the novel histogram enhancement method which is combined the histogram information and differential gray-levels histogram information. The proposed method can emphasize objects which are buried in shadow or saturation regions. The proposed method has several free parameters; we show the effective decision method of these parameters. The effectiveness of the proposed method is shown by experimental results
Keyword (in Japanese) (See Japanese page) 
(in English) Histogram equalization / Differential gray-levels histogram / Transformation function / / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 189, SIS2010-27, pp. 71-74, Sept. 2010.
Paper # SIS2010-27 
Date of Issue 2010-08-26 (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)
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Conference Information
Committee SIS IPSJ-AVM  
Conference Date 2010-09-02 - 2010-09-03 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagasakiken-Kinrou-Fukushi-Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SIS 
Conference Code 2010-09-SIS-AVM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Generalization of the Image Enhancement Method Based on the Histogram Equalization 
Sub Title (in English)  
Keyword(1) Histogram equalization  
Keyword(2) Differential gray-levels histogram  
Keyword(3) Transformation function  
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1st Author's Name Takashi Kawakami  
1st Author's Affiliation Tokyo City University (Tokyo City Univ.)
2nd Author's Name Kota Murahira  
2nd Author's Affiliation Tokyo City University (Tokyo City Univ.)
3rd Author's Name Akira Taguchi  
3rd Author's Affiliation Tokyo City University (Tokyo City Univ.)
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Speaker Author-1 
Date Time 2010-09-03 10:40:00 
Presentation Time 25 minutes 
Registration for SIS 
Paper # SIS2010-27 
Volume (vol) vol.110 
Number (no) no.189 
Page pp.71-74 
#Pages
Date of Issue 2010-08-26 (SIS) 


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