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| Presentation | 2021-05-21 14:00 An MSB Prediction-Based Method with Less Prediction Errors for Reversible Data Hiding in Encrypted Images Kotaro Yamamura, Shoko Imaizumi (Chiba Univ.), Hitoshi Kiya (Tokyo Metropolitan Univ.)  IT2021-13 EMM2021-13 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we propose an MSB prediction-based reversible data hiding method in encrypted images. The proposed method has extended the MSB prediction process of the previous work, and thus the data hiding capacity could be improved. In the previous work, the scan direction in MSB prediction is uniquely determined for each image, and the adjacent pixel, which has been scanned just prior to the current pixel, is used as a predictor for the current pixel. Therefore, a lot of prediction errors occur especially when the difference between the current and adjacent pixels are large. In contrast, the proposed method introduces an algorithm that can select the adjacent pixel, which serves as a predictor, without determining the scan direction. Accordingly, it is possible to avoid choosing the adjacent pixel with large difference from the current pixel and improve the hiding capacity. Experimental results show the effectiveness of the proposed method in terms of hiding capacity and computational complexity. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Reversible data hiding / encrypted images / MSB prediction / error reduction / capacity enhancement / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 29, EMM2021-13, pp. 72-77, May 2021. | |
| Paper # | EMM2021-13 | |
| Date of Issue | 2021-05-13 (IT, EMM) | |
| ISSN | 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 | IT2021-13 EMM2021-13 |
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| Conference Information | |
| Committee | EMM IT |
| Conference Date | 2021-05-20 - 2021-05-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Information Security, Information Theory, Information Hiding, etc. |
| Paper Information | |
| Registration To | EMM |
| Conference Code | 2021-05-EMM-IT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | An MSB Prediction-Based Method with Less Prediction Errors for Reversible Data Hiding in Encrypted Images |
| Sub Title (in English) | |
| Keyword(1) | Reversible data hiding |
| Keyword(2) | encrypted images |
| Keyword(3) | MSB prediction |
| Keyword(4) | error reduction |
| Keyword(5) | capacity enhancement |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kotaro Yamamura |
| 1st Author's Affiliation | Chiba University (Chiba Univ.) |
| 2nd Author's Name | Shoko Imaizumi |
| 2nd Author's Affiliation | Chiba University (Chiba Univ.) |
| 3rd Author's Name | Hitoshi Kiya |
| 3rd Author's Affiliation | Tokyo Metropolitan University (Tokyo Metropolitan Univ.) |
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| Speaker | Author-2 |
| Date Time | 2021-05-21 14:00:00 |
| Presentation Time | 25 minutes |
| Registration for | EMM |
| Paper # | IT2021-13, EMM2021-13 |
| Volume (vol) | vol.121 |
| Number (no) | no.28(IT), no.29(EMM) |
| Page | pp.72-77 |
| #Pages | 6 |
| Date of Issue | 2021-05-13 (IT, EMM) |
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