Abstract
In order to ensure the security of transmission data in the system, a secure transmission channel can be established by using steganography in order to ensure the security of transmission data in the system. STDM (Spread Transform Dither Modulation) watermarking algorithm has a good performance on robustness, capacity and blind detection. In order to make a balance between robustness and transparency, this paper make some improvements on the selection and construction of project vector of STDM based on research of Watson vision model, and then proposed an improvement STDM watermarking algorithm. The simulation results shows that this method can improve robustness performance when comes into JPEG attack.
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