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Paper Abstract and Keywords
Presentation 2015-12-03 15:05
A JPEG-XT encoder considering effects of quantization error
Ryo Suzuki, Toshiyuki Dobashi (TMU), Osamu Watanabe (TU), Hitoshi Kiya (TMU) SIS2015-34
Abstract (in Japanese) (See Japanese page) 
(in English) A new standard referred to as JPEG XT has been designing to provide coded data for HDR images. JPEG XT coded data contains two layers: the base-layer for tone-mapped LDR version of an HDR image and the enhancement layer. The legacy JPEG decoder can understand the base-layer of JPEG XT coded data because it has the same codestream syntax as the legacy JPEG. In this study,it is firstly pointed out that there is a mismatch on the handling of the quantization error between the normative encoder and the standard decoder. Next,to avoid the problem, a improved encoder structure with consideration of the mismatch is proposed. The experimental results demonstrate that the proposed structure can give better coding performances than those of the normative encoder, while keeping compatibility with the JPEG XT decoder.
Keyword (in Japanese) (See Japanese page) 
(in English) JPEG XT / high dynamic range / coding / / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 348, SIS2015-34, pp. 29-34, Dec. 2015.
Paper # SIS2015-34 
Date of Issue 2015-11-26 (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)
Download PDF SIS2015-34

Conference Information
Committee SIS  
Conference Date 2015-12-03 - 2015-12-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Matsuya-sensen (Awara city, Fukui) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) SoC, Related to RFID, etc. 
Paper Information
Registration To SIS 
Conference Code 2015-12-SIS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A JPEG-XT encoder considering effects of quantization error 
Sub Title (in English)  
Keyword(1) JPEG XT  
Keyword(2) high dynamic range  
Keyword(3) coding  
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1st Author's Name Ryo Suzuki  
1st Author's Affiliation Tokyo Metropolitan University (TMU)
2nd Author's Name Toshiyuki Dobashi  
2nd Author's Affiliation Tokyo Metropolitan University (TMU)
3rd Author's Name Osamu Watanabe  
3rd Author's Affiliation Takushoku University (TU)
4th Author's Name Hitoshi Kiya  
4th Author's Affiliation Tokyo Metropolitan University (TMU)
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Speaker Author-1 
Date Time 2015-12-03 15:05:00 
Presentation Time 20 minutes 
Registration for SIS 
Paper # SIS2015-34 
Volume (vol) vol.115 
Number (no) no.348 
Page pp.29-34 
#Pages 6 
Date of Issue 2015-11-26 (SIS) 

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