Research Article
Robust and Fragile Medical Image Watermarking: A Joint Venture of Coding and Chaos Theories
Figure 7
Robustness of the watermark against salt and pepper noise with variance (a) 0.02 (Nc = 1), (b) 0.03 (Nc = 1), (c) 0.05 (Nc = 1), and (d) 0.2 (Nc = 0.9249).
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