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| Presentation | 2008-11-28 09:25 High Efficiency Coding of JPEG Method Using Watermarking Technique Makoto Fujimura, Shinichi Miyata, Hideo Kuroda, Hiroki Imamura, Hamano Kazutaka (Nagasaki Univ.)  IE2008-89 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A watermarking technique is a technique to embed copyright information in digital contents. In our study, the watermarking technique is used for compression of images, namely a part of the image data is embedded into own image in the JPEG compression process. In the JPEG compression process, DC terms and AC terms are processed in different way, and are encoded respectively. In the proposed method, at the coder side, the data of DC terms are embedded into AC terms and only the data of AC term transmitted. And at the decoder side, the data of DC terms are extracted firstly from AC terms, then the information of DC terms are reconstructed. Therefore, the proposed method delete the data of DC terms and achieved about 2.48% improvement of compression ratio compared with JPEG method. In this paper, proposed method and experimental results are shown. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | JPEG / Deta Hiding / Watermarking / Image Compression / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, pp. 7-12, Nov. 2008. | |
| Paper # | ||
| Date of Issue | 2008-11-21 (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 | IE2008-89 |
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| Conference Information | |
| Committee | ITE-ME ITE-AIT ITE-BCT IE |
| Conference Date | 2008-11-28 - 2008-11-28 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Nagasaki Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | High Definition Image Processing, Display, etc. |
| Paper Information | |
| Registration To | ITE-ME |
| Conference Code | 2008-11-ME-AIT-BCT-IE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | High Efficiency Coding of JPEG Method Using Watermarking Technique |
| Sub Title (in English) | |
| Keyword(1) | JPEG |
| Keyword(2) | Deta Hiding |
| Keyword(3) | Watermarking |
| Keyword(4) | Image Compression |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Makoto Fujimura |
| 1st Author's Affiliation | Nagasaki University (Nagasaki Univ.) |
| 2nd Author's Name | Shinichi Miyata |
| 2nd Author's Affiliation | Nagasaki University (Nagasaki Univ.) |
| 3rd Author's Name | Hideo Kuroda |
| 3rd Author's Affiliation | Nagasaki University (Nagasaki Univ.) |
| 4th Author's Name | Hiroki Imamura |
| 4th Author's Affiliation | Nagasaki University (Nagasaki Univ.) |
| 5th Author's Name | Hamano Kazutaka |
| 5th Author's Affiliation | Nagasaki University (Nagasaki Univ.) |
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| Speaker | Author-2 |
| Date Time | 2008-11-28 09:25:00 |
| Presentation Time | 25 minutes |
| Registration for | ITE-ME |
| Paper # | IE2008-89 |
| Volume (vol) | vol.108 |
| Number (no) | no.324 |
| Page | pp.7-12 |
| #Pages | 6 |
| Date of Issue | 2008-11-21 (IE) |
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