Robust multigrid preconditioners for cell-centered finite volume discretization of the high-contrast diffusion equation.
Burak AksoyluZuhal YeterPublished in: Comput. Vis. Sci. (2010)
Keyphrases
- high contrast
- diffusion equation
- boundary conditions
- partial differential equations
- anisotropic diffusion
- low contrast
- scale space
- multiscale
- edge preserving
- diffusion process
- image restoration
- scale spaces
- image enhancement
- image analysis
- preprocessing
- noise removal
- flow field
- linear systems
- multiresolution
- noisy images
- image segmentation
- image denoising
- edge detection
- digital images
- color images