Heat Diffusion Homogeneous Isotropic Diffusion Non-homogeneous, but Isotropic Diffusion Anisotropic Diffusion

Diffusion Models Isotropic Diffusion Canny Nonlinear diffusion

The models of heat diffusion Anisotropic Diffusion Perona-Malik

Nonlinear anisotropic diffusion Y.Chen & S.Chastain Image recovery via diffusion tensor and time-delay regularization, Special issue on the topic of PDE’s in image processing, computer vision, and computer graphics

Nonlinear Anisotropic Diffusion Diffsion Tensor

Nonlinear Anisotropic Diffusion Diffusion Tensor

Theoretical Analysis

System (S) is a degenerate parabolic system