Aggregation-Based Algebraic Multigrid for Convection-Diffusion Equations.
Yvan NotayPublished in: SIAM J. Sci. Comput. (2012)
Keyphrases
- diffusion equation
- partial differential equations
- boundary conditions
- anisotropic diffusion
- scale space
- diffusion process
- diffusion processes
- noise removal
- image enhancement
- scale spaces
- nonlinear diffusion
- finite difference
- filtering method
- multiscale
- image analysis
- level set
- flow field
- edge preserving
- pattern formation
- numerical methods
- numerical solution
- shape from shading
- image denoising
- edge detection
- image processing
- higher order
- preprocessing