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| Presentation | 2017-02-20 10:15 Privacy Protection in Social Networking Services based on an Encryption-then-Compression System for the JPEG Standard Takahiro Maekawa, Kenta Kurihara, Hitoshi Kiya (Tokyo Metro.Univ.)  ITS2016-43 IE2016-101 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Conventional secure image transmision is based on a Compression-then-Encryption system where image compression has to be conducted prior to image encryption. On the other hand, Encryption-then-Compression( ETC )systems where some image encryption can be conducted prior to compression, is expected for privacy protection. A block-based encryption scheme with the assumption of using JPEG compression has been proposed as an image encryption one for ETC systems. However, the image encryption scheme generates the block artifact on images due to the effect of subsampling chroma signals. In this article, we consider the reason why the artifact is generated and then propose a method to remove it. As a result, the method enables us to use any JPEG decoders in the ETC system. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | ETC system / Image encryption / / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 464, IE2016-101, pp. 7-12, Feb. 2017. | |
| Paper # | IE2016-101 | |
| Date of Issue | 2017-02-13 (ITS, 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 | ITS2016-43 IE2016-101 |
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| Conference Information | |
| Committee | IE ITS ITE-AIT ITE-HI ITE-ME ITE-MMS ITE-CE |
| Conference Date | 2017-02-20 - 2017-02-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hokkaido Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Image Processing, etc. |
| Paper Information | |
| Registration To | IE |
| Conference Code | 2017-02-IE-ITS-AIT-HI-ME-MMS-CE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Privacy Protection in Social Networking Services based on an Encryption-then-Compression System for the JPEG Standard |
| Sub Title (in English) | |
| Keyword(1) | ETC system |
| Keyword(2) | Image encryption |
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| 1st Author's Name | Takahiro Maekawa |
| 1st Author's Affiliation | Tokyo Metropolitan University (Tokyo Metro.Univ.) |
| 2nd Author's Name | Kenta Kurihara |
| 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 | 2017-02-20 10:15:00 |
| Presentation Time | 15 minutes |
| Registration for | IE |
| Paper # | ITS2016-43, IE2016-101 |
| Volume (vol) | vol.116 |
| Number (no) | no.463(ITS), no.464(IE) |
| Page | pp.7-12 |
| #Pages | 6 |
| Date of Issue | 2017-02-13 (ITS, IE) |
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