A semi-circulant preconditioner for the convection-diffusion equation.
Lina HemmingssonPublished in: Numerische Mathematik (1998)
Keyphrases
- diffusion equation
- iterative methods
- anisotropic diffusion
- edge preserving
- scale space
- diffusion process
- partial differential equations
- image enhancement
- noise removal
- gaussian kernel
- boundary conditions
- scale spaces
- filtering method
- diffusion processes
- nonlinear diffusion
- diffusion coefficient
- finite element
- noise reduction
- level set
- edge detection