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| Presentation | 2017-10-12 13:20 A JPEG-Friendly Image Encryption Scheme Ayana Kawamura, Tatsuya Chuman, Kenta Iida, Hitoshi Kiya (Tokyo Metropolitan Univ.)  SIS2017-22 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Conventional secure image transmission systems are based on Compression-then-Encryption systems, where image encryption has to be conducted prior to image compression. On the other hand, Encryption-then-Compression(EtC) systems where image encryption can be conducted prior to compression, are expected for privacy protection. A block-based encryption scheme with JPEG-friendly has been proposed as an image encryption one for EtC systems. In this paper, we propose a extended block-based encryption scheme to improve the safety and the invisibility. The proposed scheme carries out the all encrypt operations in the YCbCr color space, although the conventional scheme does in the RGB color space. This proposed encryption allow us more freely to encrypt images without degrading the JPEG compression performance than the conventional scheme. In this paper, to evaluate the effectiveness of the proposed encryption, we discuss the compression performance of encrypted images and advantages of the proposed scheme. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | JPEG compression / EtC system / image encryption / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 235, SIS2017-22, pp. 7-12, Oct. 2017. | |
| Paper # | SIS2017-22 | |
| Date of Issue | 2017-10-05 (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 | SIS2017-22 |
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| Conference Information | |
| Committee | SIS IPSJ-AVM |
| Conference Date | 2017-10-12 - 2017-10-13 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Todaiji Culture Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Intelligent Multimedia Systems, Applied Enbedded Systems, etc. |
| Paper Information | |
| Registration To | SIS |
| Conference Code | 2017-10-SIS-AVM |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A JPEG-Friendly Image Encryption Scheme |
| Sub Title (in English) | |
| Keyword(1) | JPEG compression |
| Keyword(2) | EtC system |
| Keyword(3) | image encryption |
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| Keyword(8) | |
| 1st Author's Name | Ayana Kawamura |
| 1st Author's Affiliation | Tokyo Metropolitan University (Tokyo Metropolitan Univ.) |
| 2nd Author's Name | Tatsuya Chuman |
| 2nd Author's Affiliation | Tokyo Metropolitan University (Tokyo Metropolitan Univ.) |
| 3rd Author's Name | Kenta Iida |
| 3rd Author's Affiliation | Tokyo Metropolitan University (Tokyo Metropolitan Univ.) |
| 4th Author's Name | Hitoshi Kiya |
| 4th Author's Affiliation | Tokyo Metropolitan University (Tokyo Metropolitan Univ.) |
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| Speaker | Author-1 |
| Date Time | 2017-10-12 13:20:00 |
| Presentation Time | 20 minutes |
| Registration for | SIS |
| Paper # | SIS2017-22 |
| Volume (vol) | vol.117 |
| Number (no) | no.235 |
| Page | pp.7-12 |
| #Pages | 6 |
| Date of Issue | 2017-10-05 (SIS) |
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