On the security of singular value based watermarking

TitleOn the security of singular value based watermarking
Publication TypeConference Paper
Year of Publication2008
AuthorsXiong, C., R. K. Ward, and J. Xu
Conference NameImage Processing, 2008. ICIP 2008. 15th IEEE International Conference on
Pagination437 -440
Date Publishedoct.
Keywordsdistortion attack, false watermark detection, image coding, image watermarking approach, security of data, singular value decomposition, watermarking

The advantage of the singular value (SV)-based image watermarking approach is its robustness to distortion attacks. In this paper, we provide a mathematical proof as to why SV-based watermarking algorithms are robust to small distortion attacks of any type. The same mathematical proof also confirms that such watermarking schemes unfortunately suffer from false watermark detection as long as the distortion attacks are small. Thus a false watermark (not the embedded one) can be detected from a watermarked image that is not severely distorted. SV-based watermarking methods cannot thus be used for protecting the image ownership.


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