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| Presentation | 2024-03-03 10:00 [Poster Presentation] Proposal of additive video watermarking method with distributed watermark embedding -- Performance comparison between extraction methods using BSS and frame-to-frame difference -- Nao Harada, Rinka Kawano, Masaki Kawamura (Yamaguchi Univ.)  EMM2023-95 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | To improve the quality of stego-video, it is necessary to reduce the amount of watermark embedded in a frame. We propose an embedding method in which watermarks are embedded in a part of a frame divided into blocks. The same watermark is embedded in multiple frames. Error can be improved by taking the time average of the extracted watermarks. We apply two methods to extract the watermark: a method using BSS based on Yokota and Kawamura's method (Method~1) and a method using frame-to-frame differencing (Method~2). We embedded watermarks in five videos and evaluated the quality (PSNR) of the stego-videos. We also evaluated the bit error rate (BER) of the watermarks obtained by the two extraction methods. As a result, in the case of a fixed camera, there was no significant difference in BER between the two methods. However, for videos in which the pixel values continuously change over the entire frame, such as when the camera pans, the BER of Method 2 was clearly smaller than that of Method 1. Furthermore, the PSNR was over 40 dB for all videos, and the degradation of image quality was small. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | watermarking method / video / blind signal separation / frame-to-frame differencing / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 123, no. 407, EMM2023-95, pp. 34-39, March 2024. | |
| Paper # | EMM2023-95 | |
| Date of Issue | 2024-02-24 (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 | EMM2023-95 |
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| Conference Information | |
| Committee | EMM |
| Conference Date | 2024-03-02 - 2024-03-03 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Day1:JEJU TECHNOPARK, Day2:JEJU Business Agency |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | EMM |
| Conference Code | 2024-03-EMM |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Proposal of additive video watermarking method with distributed watermark embedding |
| Sub Title (in English) | Performance comparison between extraction methods using BSS and frame-to-frame difference |
| Keyword(1) | watermarking method |
| Keyword(2) | video |
| Keyword(3) | blind signal separation |
| Keyword(4) | frame-to-frame differencing |
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| 1st Author's Name | Nao Harada |
| 1st Author's Affiliation | Yamaguchi University (Yamaguchi Univ.) |
| 2nd Author's Name | Rinka Kawano |
| 2nd Author's Affiliation | Yamaguchi University (Yamaguchi Univ.) |
| 3rd Author's Name | Masaki Kawamura |
| 3rd Author's Affiliation | Yamaguchi University (Yamaguchi Univ.) |
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| Speaker | Author-1 |
| Date Time | 2024-03-03 10:00:00 |
| Presentation Time | 120 minutes |
| Registration for | EMM |
| Paper # | EMM2023-95 |
| Volume (vol) | vol.123 |
| Number (no) | no.407 |
| Page | pp.34-39 |
| #Pages | 6 |
| Date of Issue | 2024-02-24 (EMM) |
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