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Paper Abstract and Keywords
Presentation 2021-03-05 09:55
A Reversible Image Processing Method for Saturation and Contrast Enhancement
Yuki Sugimoto, Shoko Imaizumi (Chiba Univ.) EMM2020-76
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose an image processing method for color images to enhance both saturation and contrast with reversibility. Most previous work has investigated reversible contrast enhancement for grayscale images based on data hiding techniques. Meanwhile, a reversible contrast enhancement method for color images was proposed. However, this method cannot fully ensure its reversibility, and thus there exist many cases where the original image is not perfectly retrieved. In contrast, the proposed method improves not only contrast but also saturation by using HSV color space. Additionally, our method guarantees reversibility in any case. We confirm that our proposed method enhances both saturation and contrast without hue distortion and ensures full reversibility.
Keyword (in Japanese) (See Japanese page) 
(in English) Contrast enhancement / saturation enhancement / reversibility / data hiding / HSV color space / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 418, EMM2020-76, pp. 52-57, March 2021.
Paper # EMM2020-76 
Date of Issue 2021-02-25 (EMM) 
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)
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Conference Information
Committee EMM  
Conference Date 2021-03-04 - 2021-03-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Image and Sound Quality, Metrics for Perception and Recognition, Human Auditory and Visual System, etc. 
Paper Information
Registration To EMM 
Conference Code 2021-03-EMM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Reversible Image Processing Method for Saturation and Contrast Enhancement 
Sub Title (in English)  
Keyword(1) Contrast enhancement  
Keyword(2) saturation enhancement  
Keyword(3) reversibility  
Keyword(4) data hiding  
Keyword(5) HSV color space  
1st Author's Name Yuki Sugimoto  
1st Author's Affiliation Chiba University (Chiba Univ.)
2nd Author's Name Shoko Imaizumi  
2nd Author's Affiliation Chiba University (Chiba Univ.)
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Date Time 2021-03-05 09:55:00 
Presentation Time 25 
Registration for EMM 
Paper # IEICE-EMM2020-76 
Volume (vol) IEICE-120 
Number (no) no.418 
Page pp.52-57 
#Pages IEICE-6 
Date of Issue IEICE-EMM-2021-02-25 

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