Circulant preconditioners for a kind of spatial fractional diffusion equations.
Zhi-Wei FangMichael K. NgHai-Wei SunPublished in: Numer. Algorithms (2019)
Keyphrases
- diffusion equation
- iterative methods
- anisotropic diffusion
- scale space
- edge preserving
- diffusion process
- partial differential equations
- pattern formation
- least squares
- image processing
- image enhancement
- high resolution
- edge detection
- noise removal
- multiscale
- scale spaces
- image restoration
- boundary conditions
- pairwise
- pattern recognition
- finite difference
- computer vision