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| Presentation | 2012-08-28 09:50 A Use of Magnitude-Only Images for Privacy- and Copyright-Protected Image Trading Systems Shenchuan Liu, Masaaki Fujiyoshi, Hitoshi Kiya (Tokyo Metropolitan Univ.)  LOIS2012-23 IE2012-55 EMM2012-46 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper introduces magnitude-only images to image trading systems in which not only the copyright of images but also the privacy of purchasers are protected. In such systems, an image is segmented into two pieces for copyright protection; one is sent to a trusted third party (TTP) and the other is directly sent to a purchaser. The TTP watermarks the received piece and it sends the watermarked piece to the purchaser, and here, the room for a privacy violation exists. Whereas conventional schemes divide an image in the spatial domain, the proposed scheme divides an image in the discrete Fourier transformed domain; two pieces are amplitude and phase spectra. An amplitude-only image which is the inversely transformed amplitude spectra almost completely protects its content, so the privacy of purchasers are protected against the TTP. In addition, any image watermarking technique which watermarks the magnitude of images can be used in the proposed scheme. Experimental results show the effectiveness of the proposed scheme. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | magnitude-only images / digital fingerprint / copyright protection / privacy protection / data hiding / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 190, EMM2012-46, pp. 63-68, Aug. 2012. | |
| Paper # | EMM2012-46 | |
| Date of Issue | 2012-08-20 (LOIS, IE, EMM) | |
| 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 | LOIS2012-23 IE2012-55 EMM2012-46 |
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| Conference Information | |
| Committee | EMM IE LOIS ITE-ME IEE-CMN |
| Conference Date | 2012-08-27 - 2012-08-28 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | EMM |
| Conference Code | 2012-08-EMM-IE-LOIS-ME-CMN |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Use of Magnitude-Only Images for Privacy- and Copyright-Protected Image Trading Systems |
| Sub Title (in English) | |
| Keyword(1) | magnitude-only images |
| Keyword(2) | digital fingerprint |
| Keyword(3) | copyright protection |
| Keyword(4) | privacy protection |
| Keyword(5) | data hiding |
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| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Shenchuan Liu |
| 1st Author's Affiliation | Tokyo Metropolitan University (Tokyo Metropolitan Univ.) |
| 2nd Author's Name | Masaaki Fujiyoshi |
| 2nd Author's Affiliation | Tokyo Metropolitan University (Tokyo Metropolitan Univ.) |
| 3rd Author's Name | Hitoshi Kiya |
| 3rd Author's Affiliation | Tokyo Metropolitan University (Tokyo Metropolitan Univ.) |
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| Speaker | Author-1 |
| Date Time | 2012-08-28 09:50:00 |
| Presentation Time | 25 minutes |
| Registration for | EMM |
| Paper # | LOIS2012-23, IE2012-55, EMM2012-46 |
| Volume (vol) | vol.112 |
| Number (no) | no.188(LOIS), no.189(IE), no.190(EMM) |
| Page | pp.63-68 |
| #Pages | 6 |
| Date of Issue | 2012-08-20 (LOIS, IE, EMM) |
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