Robust Watermarking Algorithm against the Geometric Attacks based on Non-Subsampled Shearlet Transform and Harris-Laplace Detector

<div>The selected region of the watermark extraction processed by the Harris-Laplace detector and the fuzzy c-means cluster scheme: (a) cameraman, (b) peppers, (c) couple.</div>

Security and Communication Networks

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Figure 9

Figure 9: Robust Watermarking Algorithm against the Geometric Attacks based on Non-Subsampled Shearlet Transform and Harris-Laplace Detector 