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Paper Abstract and Keywords
Presentation 2016-09-02 10:00
Saturation and Lightness Enhancement Method Considering Perceived Lightness for Food Images
Chiaki Ueda (Yamaguchi Univ.), Tadahiro Azetsu (Yamaguchi Prefectural Univ.), Noriaki Suetake, Eiji Uchino (Yamaguchi Univ.) SIS2016-24
Abstract (in Japanese) (See Japanese page) 
(in English) In a food image acquired by a digital camera, its intensity and saturation components are sometimes decreased depending on the illumination environment. In this report, saturation and lightness enhancement method considering perceived lightness for food images is proposed. In this method, at first, the lightness components are enhanced in a range of preserved saturation. Secondly, the saturation components are enhanced keeping perceived lightness. Then it is enhanced only the regions of the food color. The parameter of the saturation enhancement is calculated so that the saturation of the low saturation pixels are not enhanced excessively. In this study, to illustrate the effectiveness of the proposed method, the enhancement experiments using various food images are done.
Keyword (in Japanese) (See Japanese page) 
(in English) Saturation enhancement / Lightness enhancement / Food image / Helmholtz-Kohlrausch effect / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 204, SIS2016-24, pp. 47-52, Sept. 2016.
Paper # SIS2016-24 
Date of Issue 2016-08-25 (SIS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 SIS2016-24

Conference Information
Committee SIS IPSJ-AVM  
Conference Date 2016-09-01 - 2016-09-02 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka Electro-Communication Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Knowledge Multimedia Systems, etc. 
Paper Information
Registration To SIS 
Conference Code 2016-09-SIS-AVM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Saturation and Lightness Enhancement Method Considering Perceived Lightness for Food Images 
Sub Title (in English)  
Keyword(1) Saturation enhancement  
Keyword(2) Lightness enhancement  
Keyword(3) Food image  
Keyword(4) Helmholtz-Kohlrausch effect  
1st Author's Name Chiaki Ueda  
1st Author's Affiliation Yamaguchi University (Yamaguchi Univ.)
2nd Author's Name Tadahiro Azetsu  
2nd Author's Affiliation Yamaguchi Prefectural University (Yamaguchi Prefectural Univ.)
3rd Author's Name Noriaki Suetake  
3rd Author's Affiliation Yamaguchi University (Yamaguchi Univ.)
4th Author's Name Eiji Uchino  
4th Author's Affiliation Yamaguchi University (Yamaguchi Univ.)
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Date Time 2016-09-02 10:00:00 
Presentation Time 20 
Registration for SIS 
Paper # IEICE-SIS2016-24 
Volume (vol) IEICE-116 
Number (no) no.204 
Page pp.47-52 
#Pages IEICE-6 
Date of Issue IEICE-SIS-2016-08-25 

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