Fast compact finite difference schemes on graded meshes for fourth-order multi-term fractional sub-diffusion equations with the first Dirichlet boundary conditions.
Zhibo WangCaixia OuDakang CenPublished in: Int. J. Comput. Math. (2023)
Keyphrases
- boundary conditions
- diffusion equation
- fourth order
- finite difference
- nonlinear diffusion
- scale spaces
- partial differential equations
- reaction diffusion
- sufficient conditions
- shape from shading
- multiresolution
- noise removal
- anisotropic diffusion
- coherence enhancing diffusion
- pairwise
- image processing
- high order
- image enhancement
- post processing
- natural images
- markov random field
- feature extraction
- computer vision