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| 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 |
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| 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) | |
| Download PDF | IE2008-257 |
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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 |
| Keyword(5) | error |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 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 | Author-1 |
| Date Time | 2009-03-16 11:40:00 |
| Presentation Time | 25 minutes |
| Registration for | IE |
| Paper # | IE2008-257 |
| Volume (vol) | vol.108 |
| Number (no) | no.485 |
| Page | pp.23-28 |
| #Pages | 6 |
| Date of Issue | 2009-03-09 (IE) |
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