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- W2387104922 abstract "Aiming at the defect of self-adaptability in normal digital watermarking algorithm in DWT domain,this paper proposed an adaptive image watermarking algorithm based on chaos and HVS in DWT domain.Firstly,applied a two-level DWT to the cover image.Secondly,divided a specific middle frequency sub-band into many blocks which decomposed with SVD.Finally,adaptively embedded the binary watermark image with Logistic chaos scramble into the largest singular value of each block.It self-adaptively adjusted the embedding intensity according to the quantization step of each block.Simulation results prove this algorithm has a good transparence and robustness against attacks such as JPEG compression、adding noise、filtering and other image manipulations." @default.
- W2387104922 created "2016-06-24" @default.
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- W2387104922 date "2012-01-01" @default.
- W2387104922 modified "2023-09-23" @default.
- W2387104922 title "Adaptive image watermarking algorithm in wavelet domain based on chaos and HVS" @default.
- W2387104922 hasPublicationYear "2012" @default.
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