Research Article

Image Structure-Preserving Denoising Based on Difference Curvature Driven Fractional Nonlinear Diffusion

Figure 5

Comparison of a local region of the cleaned images of “Bicycle” image. (a) A region in the noisy image. (b) PM model. (c) Fourth-order PDEs. (d) ZC model. (e) G-CDD. (f) BF. (g) NLMF. (h) BLS-GSM. (i) TGV. (j) Our proposed model.
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