High accuracy multigrid solution of the 3D convection-diffusion equation.
Murli M. GuptaJun ZhangPublished in: Appl. Math. Comput. (2000)
Keyphrases
- diffusion equation
- boundary conditions
- partial differential equations
- high accuracy
- anisotropic diffusion
- scale space
- diffusion process
- diffusion processes
- numerical integration
- noise removal
- integral equation
- scale spaces
- nonlinear diffusion
- image enhancement
- diffusion coefficient
- image analysis
- multiscale
- multiresolution
- filtering method
- finite difference
- inverse problems in image processing
- numerical methods
- total variation
- image denoising
- preprocessing