Crank-Nicolson finite difference method based on a midpoint upwind scheme on a non-uniform mesh for time-dependent singularly perturbed convection-diffusion equations.
Mohan K. KadalbajooAshish AwasthiPublished in: Int. J. Comput. Math. (2008)
Keyphrases
- finite difference method
- diffusion equation
- finite difference
- partial differential equations
- anisotropic diffusion
- diffusion process
- heat equation
- scale space
- level set
- diffusion processes
- numerical solution
- gaussian kernel
- boundary conditions
- noise removal
- finite element method
- image enhancement
- image denoising
- image processing
- nonlinear diffusion
- multiscale
- scale spaces
- filtering method
- numerical methods
- differential equations
- denoising
- edge preserving
- finite element
- numerical analysis
- d mesh
- pattern recognition