Well-Posed Inhomogeneous Nonlinear Diffusion Scheme for Digital Image Denoising

Figure 1

Image gradients based edge indicators. (a) Original image. (b) Noisy image. (c) 𝑔₁(|∇𝑢|). (d) 𝑔₁(|𝐺_𝜎⋆𝑢|).

(a)

(b)

(c)

(d)