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

Figure 6

Comparison of the denoised results on “Baboon” image. (a) Original image. (b) Noisy image (additive Gaussian white noise, PSNR = 22.1 db). (c) PM model. (d) Fourth-order PDEs. (e) ZC model. (f) G-CDD. (g) BF. (h) NLMF. (i) BLS-GSM. (j) TGV. (k) Our proposed model.

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