Solving an elliptic PDE eigenvalue problem via automated multi-level substructuring and hierarchical matrices.
Peter GerdsLars GrasedyckPublished in: Comput. Vis. Sci. (2013)
Keyphrases
- partial differential equations
- eigenvalue problems
- systems of linear equations
- multi layer
- semi automated
- least squares
- perturbation theory
- fully automated
- level set
- image denoising
- image processing
- numerical solution
- conservation laws
- high order
- coarse to fine
- numerical methods
- denoising
- anisotropic diffusion
- image enhancement
- scale spaces
- boundary value problem
- reaction diffusion