Abstract
A novel watermarking approach for copyright protection of color images based on the nonsubsampled contour let transform (NSCT). We employ the genetic algorithm optimization principles and HVS masking technique to obtain high robustness and transparency with respect to the existing algorithms. In our scheme, the embedding factor is controlled locally according to the result of Generic Algorithm (GA) cycle. The simulation results show that the proposed algorithm yields a watermark which is invisible to human eyes and robust to a wide variety of common attacks.
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