Compact higher order discretization of 3D generalized convection diffusion equation with variable coefficients in nonuniform grids.
Dharmaraj DekaShuvam SenPublished in: Appl. Math. Comput. (2022)
Keyphrases
- diffusion equation
- higher order
- anisotropic diffusion
- scale space
- diffusion process
- partial differential equations
- noise removal
- diffusion processes
- gaussian kernel
- scale spaces
- image enhancement
- high order
- diffusion coefficient
- boundary conditions
- filtering method
- natural images
- pairwise
- nonlinear diffusion
- continuous variables
- markov random field
- wavelet coefficients
- numerical integration
- image processing
- object recognition