A preconditioned fast finite difference scheme for space-fractional diffusion equations in convex domains.
Ning DuHai-Wei SunHong WangPublished in: Comput. Appl. Math. (2019)
Keyphrases
- finite difference
- diffusion equation
- numerical scheme
- partial differential equations
- finite element
- scale space
- left invariant
- anisotropic diffusion
- numerical analysis
- numerical solution
- level set
- filtering method
- diffusion process
- noise removal
- coherence enhancing diffusion
- boundary conditions
- image enhancement
- scale spaces
- finite dimensional
- image denoising
- multiscale
- reproducing kernel hilbert space
- image restoration
- infinite dimensional
- post processing
- nonlinear diffusion
- image analysis
- hardi data
- image processing