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- W1996388670 abstract "Digital watermarking is a kind of technique that can be used for protecting and enforcing the intellectual property (IP) rights of the digital media like the digital images containting in the transaction copyright. There are many kinds of digital watermarking algorithms. However, existing digital watermarking algorithms are not robust enough against geometric attacks and signal processing operations. In this paper, a robust watermarking algorithm based on chaos array in DCT (discrete cosine transform)-domain for gray images is proposed. The algorithm provides an one-to-one method to extract the watermark.Experimental results have proved that this new method has high accuracy and is highly robust against geometric attacks, signal processing operations and geometric transformations. Furthermore, the one who have on idea of the key can't find the position of the watermark embedded in. As a result, the watermark not easy to be modified, so this scheme is secure and robust." @default.
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- W1996388670 date "2009-10-30" @default.
- W1996388670 modified "2023-09-27" @default.
- W1996388670 title "A robust DCT domain watermarking algorithm based on chaos system" @default.
- W1996388670 doi "https://doi.org/10.1117/12.832994" @default.
- W1996388670 hasPublicationYear "2009" @default.
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