Embedding robust labels into images for copyright protection
KnowRight '95 Proceedings of the conference on Intellectual property rights and new technologies
IBM Systems Journal
Protecting digital media content
Communications of the ACM
Attacks on Copyright Marking Systems
Proceedings of the Second International Workshop on Information Hiding
Copyright protection of images using robust digital signatures
ICASSP '96 Proceedings of the Acoustics, Speech, and Signal Processing, 1996. on Conference Proceedings., 1996 IEEE International Conference - Volume 04
IEEE Journal on Selected Areas in Communications
Secure spread spectrum watermarking for multimedia
IEEE Transactions on Image Processing
Oblivious Image Watermarking Robust against Scaling and Geometric Distortions
ISC '01 Proceedings of the 4th International Conference on Information Security
Robust object-based watermarking scheme via shape self-similarity segmentation
Pattern Recognition Letters
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Digital watermarking is an emerging research area for copyright protection of electronic documents and media, which is one of the most important problems to be solved in the cyberspace society. A statistic approach for embedding and extracting a digital watermark on an image is proposed. This approach is based on the realization that a stego-image after watermark attacks should preserve the characteristics of the stego-image if the stego-image after attacks retains its commercial values. In other words, the appearance of the image after attacks is still clearly visible and similar to the original image. This kind of preservation can be reflected as the variances of color levels of pixels both in stego-without-attacks- and stego-with-attacks- images are most likely the same. The embedded digital watermark by this approach seems robust after several attacks are performed on the stego-image.