Fourth order finite difference schemes for time-space fractional sub-diffusion equations.
Hong-Kui PangHai-Wei SunPublished in: Comput. Math. Appl. (2016)
Keyphrases
- diffusion equation
- finite difference
- fourth order
- partial differential equations
- noise removal
- anisotropic diffusion
- numerical scheme
- nonlinear diffusion
- scale space
- image enhancement
- diffusion process
- image denoising
- numerical solution
- scale spaces
- left invariant
- level set
- denoising
- edge detection
- filtering method
- noise reduction
- image processing
- numerical analysis
- coherence enhancing diffusion
- finite element
- high order
- edge preserving
- boundary conditions
- noisy images
- multiscale
- differential equations
- input image
- image analysis