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Paper Abstract and Keywords
Presentation 2020-01-17 13:40
A Method of Glossiness Preserving Image Coding
Tomoyuki Takanashi, Midori Tanaka, Takahiko Horiuchi (Chiba Univ.) CQ2019-130
Abstract (in Japanese) (See Japanese page) 
(in English) Image coding plays an important role to reduce their cost for storage or transmission. Current image coding techniques usually use signal-to-noise ratio as an image quality metric and an image coding method based on perceptual quality metric has not been much studied. In this study, we focus on perceptual gloss that is one of the sense of qualities in “SHITSUKAN” and aim to construct an image coding method with preserving glossiness. Since JPEG has been widely used in the world, we provide an encoder equipped with the proposed method capable of decoding with current JPEG decoder. Specifically, the proposed method evaluates the glossiness for each block in the image and encode blocks with adaptively different quality according to the glossiness. We verify the effectiveness of the proposed method through subjective assessments.
Keyword (in Japanese) (See Japanese page) 
(in English) Image Coding / JPEG / SHITSUKAN / Perceptual Gloss / Region of Interest / Subband Decomposition / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 367, CQ2019-130, pp. 131-136, Jan. 2020.
Paper # CQ2019-130 
Date of Issue 2020-01-09 (CQ) 
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF CQ2019-130

Conference Information
Committee CQ CBE  
Conference Date 2020-01-16 - 2020-01-17 
Place (in Japanese) (See Japanese page) 
Place (in English) NHK Science & Technology Research Laboratories 
Topics (in Japanese) (See Japanese page) 
Topics (in English) AR/VR, Broadcasting Service, Video/Voice Services Quality, High Realistic, User Behavior/Psychology, User Experience, Media Quality, Network Quality and QoS Control, Networks and Communications at Disaster, User Behavior, Machine Learning, etc. 
Paper Information
Registration To CQ 
Conference Code 2020-01-CQ-CBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Method of Glossiness Preserving Image Coding 
Sub Title (in English)  
Keyword(1) Image Coding  
Keyword(2) JPEG  
Keyword(3) SHITSUKAN  
Keyword(4) Perceptual Gloss  
Keyword(5) Region of Interest  
Keyword(6) Subband Decomposition  
1st Author's Name Tomoyuki Takanashi  
1st Author's Affiliation Chiba University (Chiba Univ.)
2nd Author's Name Midori Tanaka  
2nd Author's Affiliation Chiba University (Chiba Univ.)
3rd Author's Name Takahiko Horiuchi  
3rd Author's Affiliation Chiba University (Chiba Univ.)
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Date Time 2020-01-17 13:40:00 
Presentation Time 20 
Registration for CQ 
Paper # IEICE-CQ2019-130 
Volume (vol) IEICE-119 
Number (no) no.367 
Page pp.131-136 
#Pages IEICE-6 
Date of Issue IEICE-CQ-2020-01-09 

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