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Paper Abstract and Keywords
Presentation 2009-03-16 11:40
Reversible 9-7 DWT compatible to irreversible 9-7 DWT of JPEG 2000
Masahiro Iwahashi (Nagaoka Univ. Tech.), Hitoshi Kiya (Tokyo Metro. Univ.) IE2008-257
Abstract (in Japanese) (See Japanese page) 
(in English) In this report, we propose a new reversible 9-7 discrete wavelet transform (DWT) compatible to the irreversible 9-7 DWT in lossy coding of the JPEG 2000. The proposed method is applicable to the lossless coding. Also, compatibility to the irreversible DWT is increased. In the proposed DWT, all the filters and scalings are factorized into lifting steps. Especially, we factorize the separable two dimensional (2D) transfer function of the 9-7 DWT into non-separable functions. As a result, the number of the lifting steps is reduced to less than half so as the rounding operations. It is experimentally confirmed that the compatibility to the irreversible 9-7 DWT is improved comparing to an existing separable and reversible 9-7 DWT, maintaining lossless coding performance.
Keyword (in Japanese) (See Japanese page) 
(in English) wavelet / lossless / coding / lossy / / error / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 485, IE2008-257, pp. 23-28, March 2009.
Paper # IE2008-257 
Date of Issue 2009-03-09 (IE) 
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)
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Conference Information
Committee IE  
Conference Date 2009-03-16 - 2009-03-16 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Image/Video coding, Systems, etc. 
Paper Information
Registration To IE 
Conference Code 2009-03-IE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Reversible 9-7 DWT compatible to irreversible 9-7 DWT of JPEG 2000 
Sub Title (in English)  
Keyword(1) wavelet  
Keyword(2) lossless  
Keyword(3) coding  
Keyword(4) lossy  
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Keyword(6) error  
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1st Author's Name Masahiro Iwahashi  
1st Author's Affiliation Nagaoka University of Technology (Nagaoka Univ. Tech.)
2nd Author's Name Hitoshi Kiya  
2nd Author's Affiliation Tokyo Metropolitan University (Tokyo Metro. Univ.)
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Speaker
Date Time 2009-03-16 11:40:00 
Presentation Time 25 
Registration for IE 
Paper # IEICE-IE2008-257 
Volume (vol) IEICE-108 
Number (no) no.485 
Page pp.23-28 
#Pages IEICE-6 
Date of Issue IEICE-IE-2009-03-09 


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