Abstract
According to the security of watermark, holographic watermark, wavelet transform and information hiding are combined to make watermark embedded into the carrier image with better encryption and anti-cutting ability. In this paper, the original color image is transformed to produce hologram, and then the hologram is embedded in the color image according to the wavelet transform method. Firstly, the hologram is embedded into the decomposition of the high-frequency details, produced by one-dimensional wavelet decomposition of carrier image. This not only improves the robustness of image clipping and the invisibility of watermark, but also enhances the security of information transmission.
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