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Paper Abstract and Keywords
Presentation 2015-03-05 10:20
Improvement of Color2Gray Algorithm by Consideration of Local Variance
Meng Meng, Shi Bao, Go Tanaka (Nagoya City Univ.) SIS2014-92
Abstract (in Japanese) (See Japanese page) 
(in English) In usual color-to-gray conversion of color images, the lightness component of an input color image is assigned to gray level of an output monochrome image. However, features in an input color image is sometimes lost because three-dimension data which is RGB color components is converted into one-dimensional gray level. In this report, a new color-to-gray conversion which attaches importance to the local contrast improvement is proposed. The proposed method evaluates the local contrast by computing the local variance of pixel values in an input color image. Experiments show the effectiveness of the proposed method.
Keyword (in Japanese) (See Japanese page) 
(in English) Color2Gray algorithm / color-to-gray conversion / color image / contrast / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 496, SIS2014-92, pp. 7-10, March 2015.
Paper # SIS2014-92 
Date of Issue 2015-02-26 (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 2015-03-05 - 2015-03-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Meiji Univ. Nakano Campus (Tokyo) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Soft Computing, etc. 
Paper Information
Registration To SIS 
Conference Code 2015-03-SIS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement of Color2Gray Algorithm by Consideration of Local Variance 
Sub Title (in English)  
Keyword(1) Color2Gray algorithm  
Keyword(2) color-to-gray conversion  
Keyword(3) color image  
Keyword(4) contrast  
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1st Author's Name Meng Meng  
1st Author's Affiliation Nagoya City University (Nagoya City Univ.)
2nd Author's Name Shi Bao  
2nd Author's Affiliation Nagoya City University (Nagoya City Univ.)
3rd Author's Name Go Tanaka  
3rd Author's Affiliation Nagoya City University (Nagoya City Univ.)
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Speaker Author-1 
Date Time 2015-03-05 10:20:00 
Presentation Time 20 minutes 
Registration for SIS 
Paper # SIS2014-92 
Volume (vol) vol.114 
Number (no) no.496 
Page pp.7-10 
#Pages 4 
Date of Issue 2015-02-26 (SIS) 

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