Patch Similarity Modulus and Difference Curvature Based Fourth-Order Partial Differential Equation for Image Denoising

Figure 9

Comparison of the denoising results from various methods: (a) original Barbara image, (b) noisy Barbara image with the noise standard deviation of 15, (c) PM model (80 steps), (d) YK model (200 steps), (e) SGH model (160 steps), (f) AFOD filter (260 steps), and (g) proposed algorithm (500 steps).

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