A new PEE-based reversible watermarking algorithm for color image

@article{Li2012ANP,
  title={A new PEE-based reversible watermarking algorithm for color image},
  author={Jian Li and Xiaolong Li and Bin Yang},
  journal={2012 19th IEEE International Conference on Image Processing},
  year={2012},
  pages={2181-2184}
}
This paper presents a new reversible watermarking algorithm for color image. The traditional technique is to embed data into each color channel independently. Considering that the color channels correlate with each other, we propose a reversible watermarking algorithm based on prediction-error expansion that can enhance the prediction accuracy in one color channel through exploiting the gradient information from the other channels. In doing so, the magnitude of the prediction-error is decreased… CONTINUE READING
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