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Paper Abstract and Keywords
Presentation 2009-10-08 16:00
Image gamut expansion using the properties of brightness perception
Yoshie Imai, Toshimitsu Kaneko, Masahiro Baba, Goh Itoh (Toshiba) EID2009-26 Link to ES Tech. Rep. Archives: EID2009-26
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, the color gamut of display is becoming wider and wider while that of input image is still narrow. When the input image gamut is expanded by increasing chroma value keeping hue and brightness values, the displayed color is sometimes felt unnaturally. Therefore, we focus attention on Helmholtz-Kohlrausch effect. We performed subjective assessments that estimate a range of colors in which human does not feel brightness differences. To realize wide and natural color gamut expansion, this paper proposes a method which stretches the color gamut as wide as possible keeping the transformed color in the estimated range.
Keyword (in Japanese) (See Japanese page) 
(in English) gamut expansion / Helmholtz-Kohlrausch effect / brightness perception / / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 223, EID2009-26, pp. 33-36, Oct. 2009.
Paper #  
Date of Issue 2009-10-01 (EID) 
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)
Download PDF EID2009-26 Link to ES Tech. Rep. Archives: EID2009-26

Conference Information
Committee ITE-IDY EID ITE-HI ITE-3DIT LSJ IEE-OQD  
Conference Date 2009-10-08 - 2009-10-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ITE-IDY 
Conference Code 2009-10-IDY-EID-HI-3DIT-LSJ-OQD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Image gamut expansion using the properties of brightness perception 
Sub Title (in English)  
Keyword(1) gamut expansion  
Keyword(2) Helmholtz-Kohlrausch effect  
Keyword(3) brightness perception  
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1st Author's Name Yoshie Imai  
1st Author's Affiliation Toshiba R&D Center (Toshiba)
2nd Author's Name Toshimitsu Kaneko  
2nd Author's Affiliation Toshiba R&D Center (Toshiba)
3rd Author's Name Masahiro Baba  
3rd Author's Affiliation Toshiba R&D Center (Toshiba)
4th Author's Name Goh Itoh  
4th Author's Affiliation Toshiba R&D Center (Toshiba)
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Speaker
Date Time 2009-10-08 16:00:00 
Presentation Time 30 
Registration for ITE-IDY 
Paper # IEICE-EID2009-26 
Volume (vol) IEICE-109 
Number (no) no.223 
Page pp.33-36 
#Pages IEICE-4 
Date of Issue IEICE-EID-2009-10-01 


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