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Journal of Healthcare Engineering
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Journal of Healthcare Engineering
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2018
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Article
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Fig 8
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Research Article
Robust and Fragile Medical Image Watermarking: A Joint Venture of Coding and Chaos Theories
Figure 8
Robustness of the watermark against speckle noise with variances (a) 0.02, (b) 0.03, (c) 0.05, and (d) 0.2.
(a)
(b)
(c)
(d)