Bifunctional watermarking for copyright protection and content authentication with perfectly blind detection
In view of the limitation that most of the watermarking algorithms are single in functions and unable to achieve perfectly blind detection,a bifunctional watermarking algorithm with perfectly blind detection for copyright protection and content authentication was proposed.The algorithm adopted the i...
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Format: | Article |
Language: | zho |
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Beijing Xintong Media Co., Ltd
2017-02-01
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Series: | Dianxin kexue |
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Online Access: | http://www.telecomsci.com/zh/article/doi/10.11959/j.issn.1000-0801.2017017/ |
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author | Dong XUE Yaxun ZHOU Wei JIN |
author_facet | Dong XUE Yaxun ZHOU Wei JIN |
author_sort | Dong XUE |
collection | DOAJ |
description | In view of the limitation that most of the watermarking algorithms are single in functions and unable to achieve perfectly blind detection,a bifunctional watermarking algorithm with perfectly blind detection for copyright protection and content authentication was proposed.The algorithm adopted the idea of region segmentation for sub-block,and the generation and embedding of watermark were respectively carried out in the different regions of the same sub-block.A feature watermark was generated by judging the parity of the first digit from the average of maximum singular values,and the watermark was embedded by adjusting two DCT coefficients of adjacent blocks in the same position.Both the image copyright protection and content authentication functions were achieved by comparing the generated feature watermark and blindly extracting authentication watermark in the detection.Compared to some of the reported watermarking schemes,the proposed algorithm not only has better robustness against the common attacks to realize the copyright protection,but also has a good sensitivity to malicious image tampering to accurately locate the tampered area. |
format | Article |
id | doaj-art-f238d0a362c24927ba334eaa363b8366 |
institution | Kabale University |
issn | 1000-0801 |
language | zho |
publishDate | 2017-02-01 |
publisher | Beijing Xintong Media Co., Ltd |
record_format | Article |
series | Dianxin kexue |
spelling | doaj-art-f238d0a362c24927ba334eaa363b83662025-01-15T03:13:20ZzhoBeijing Xintong Media Co., LtdDianxin kexue1000-08012017-02-0133798959603454Bifunctional watermarking for copyright protection and content authentication with perfectly blind detectionDong XUEYaxun ZHOUWei JINIn view of the limitation that most of the watermarking algorithms are single in functions and unable to achieve perfectly blind detection,a bifunctional watermarking algorithm with perfectly blind detection for copyright protection and content authentication was proposed.The algorithm adopted the idea of region segmentation for sub-block,and the generation and embedding of watermark were respectively carried out in the different regions of the same sub-block.A feature watermark was generated by judging the parity of the first digit from the average of maximum singular values,and the watermark was embedded by adjusting two DCT coefficients of adjacent blocks in the same position.Both the image copyright protection and content authentication functions were achieved by comparing the generated feature watermark and blindly extracting authentication watermark in the detection.Compared to some of the reported watermarking schemes,the proposed algorithm not only has better robustness against the common attacks to realize the copyright protection,but also has a good sensitivity to malicious image tampering to accurately locate the tampered area.http://www.telecomsci.com/zh/article/doi/10.11959/j.issn.1000-0801.2017017/dual function watermarkfeature watermarkperfectly blind detectioncopyright protectiontamper detection |
spellingShingle | Dong XUE Yaxun ZHOU Wei JIN Bifunctional watermarking for copyright protection and content authentication with perfectly blind detection Dianxin kexue dual function watermark feature watermark perfectly blind detection copyright protection tamper detection |
title | Bifunctional watermarking for copyright protection and content authentication with perfectly blind detection |
title_full | Bifunctional watermarking for copyright protection and content authentication with perfectly blind detection |
title_fullStr | Bifunctional watermarking for copyright protection and content authentication with perfectly blind detection |
title_full_unstemmed | Bifunctional watermarking for copyright protection and content authentication with perfectly blind detection |
title_short | Bifunctional watermarking for copyright protection and content authentication with perfectly blind detection |
title_sort | bifunctional watermarking for copyright protection and content authentication with perfectly blind detection |
topic | dual function watermark feature watermark perfectly blind detection copyright protection tamper detection |
url | http://www.telecomsci.com/zh/article/doi/10.11959/j.issn.1000-0801.2017017/ |
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