Security and Communication Networks / 2018 / Article / Fig 3

Research Article

A Robust Watermarking Scheme Based on the Mean Modulation of DWT Coefficients

Figure 3

Absolute value of Cumulative histogram of (a) original BMVs, (b) difference between the original BMVs and the altered ones ((a) and (b)), (c) difference after JPEG(30) compression, and (d) difference after median filtering (3 × 3).

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