-preconditioner for a novel fourth-order difference scheme of two-dimensional Riesz space-fractional diffusion equations.
Yuan-Yuan HuangWei QuSiu-Long LeiPublished in: Comput. Math. Appl. (2023)
Keyphrases
- fourth order
- diffusion equation
- anisotropic diffusion
- noise removal
- partial differential equations
- image interpolation
- nonlinear diffusion
- high order
- edge preserving
- image enhancement
- estimation error
- cubic convolution
- scale space
- edge detection
- diffusion process
- filtering method
- vector valued
- higher order
- scale spaces
- denoising
- image denoising
- edge information
- image compression
- motion estimation
- pairwise