A Strong Robust Zero-Watermarking Scheme Based on Shearlets’ High Ability for Capturing Directional Features

<div>(a) The illustration of the succession of LP decomposition and shearlet directional filtering. (b) The tiling of shearlets in the frequency domain.</div>

Mathematical Problems in Engineering

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Figure 1

Figure 1: A Strong Robust Zero-Watermarking Scheme Based on Shearlets’ High Ability for Capturing Directional Features 