Numerical analysis and fast implementation of a fourth-order difference scheme for two-dimensional space-fractional diffusion equations.
Zhiyong XingLiping WenPublished in: Appl. Math. Comput. (2019)
Keyphrases
- fourth order
- numerical analysis
- diffusion equation
- noise removal
- image enhancement
- anisotropic diffusion
- partial differential equations
- image interpolation
- nonlinear diffusion
- finite difference
- high order
- cubic convolution
- filtering method
- denoising
- image processing
- image denoising
- estimation error
- subband
- post processing
- image quality
- edge detection
- pairwise
- object recognition