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Paper Abstract and Keywords
Presentation 2014-12-18 10:00
Effective encoding of HDR images using the SNR scalability of JPEG 2000
Ryo Suzuki, Tatsuya Murofushi, Hitoshi Kiya (Tokyo Metro. Univ.) SIS2014-67
Abstract (in Japanese) (See Japanese page) 
(in English) So far, various investigations have been done for HDR images expressed in a floating point data format.Conventional display devices cannot display HDR images directly. Therefore, tone mapping operators (TMOs) are important to generate standard 8-bit images.In this paper, we discuss an effective coding method for HDR images.In the future, the spread of display devices which accepts the higher bit depths (e.g,10,12 and 16 bits per channel).The coexistence of images with various bit depths is also predicted.We focus on two features of JPEG2000.The first feature is to be able to deal the images with the higher bit depths.The second feature is the SNR scalability which enables us to achieve a decoding with an arbitrary quality.

In the proposed method, an image generated from the common processes to the all cases for various bit depths in TMO is defined as the middle image. Only the middle image is compressed by JPEG2000.
Integer images with various bit depths are generated from only one compressed data file by the simple scaling corresponding to a desired bit depth.
Keyword (in Japanese) (See Japanese page) 
(in English) Tone mapping / JPEG2000 / SNR scalability / / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 370, SIS2014-67, pp. 1-6, Dec. 2014.
Paper # SIS2014-67 
Date of Issue 2014-12-11 (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)
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Conference Information
Committee SIS  
Conference Date 2014-12-18 - 2014-12-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyoto Research Park (Kyoto City) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) System on Silicon, Short Distance Wireless Communication Application Systems, etc. 
Paper Information
Registration To SIS 
Conference Code 2014-12-SIS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effective encoding of HDR images using the SNR scalability of JPEG 2000 
Sub Title (in English)  
Keyword(1) Tone mapping  
Keyword(2) JPEG2000  
Keyword(3) SNR scalability  
1st Author's Name Ryo Suzuki  
1st Author's Affiliation Tokyo Metropolitan University (Tokyo Metro. Univ.)
2nd Author's Name Tatsuya Murofushi  
2nd Author's Affiliation Tokyo Metropolitan University (Tokyo Metro. Univ.)
3rd Author's Name Hitoshi Kiya  
3rd Author's Affiliation Tokyo Metropolitan University (Tokyo Metro. Univ.)
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Speaker Author-1 
Date Time 2014-12-18 10:00:00 
Presentation Time 20 minutes 
Registration for SIS 
Paper # SIS2014-67 
Volume (vol) vol.114 
Number (no) no.370 
Page pp.1-6 
Date of Issue 2014-12-11 (SIS) 

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