Image Watermarking Technique Based on Two-Dimensional Chaotic Stream Encryption


This paper proposes a kind of wavelet domain image digital watermarking technique using two-dimensional chaotic stream encryption and human visual model. A stream encryption algorithm based on two-dimensional Logistic chaotic map is researched and realized for meaningful grayscale watermarking image. The block embedding intensity is calculated and combined… (More)
DOI: 10.1007/11596042_84

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