Efficient reversible image watermarking by using dynamical prediction-error expansion


Reversible watermarking is a special watermarking technique which allows one to extract both the hidden data and the exact original signal from the watermarked content. In this paper, a recently introduced reversible image watermarking method based on prediction-error expansion is further investigated and improved. Instead of taking the pixels with small… (More)
DOI: 10.1109/ICIP.2010.5652508


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