Nonlinear Approximation Rates and Besov Regularity for Elliptic PDEs on Polyhedral Domains.
Markus HansenPublished in: Found. Comput. Math. (2015)
Keyphrases
- partial differential equations
- solving partial differential equations
- difference equations
- image denoising
- total variation
- boundary value problem
- diffusion equation
- image decomposition
- numerical solution
- anisotropic diffusion
- level set
- numerical integration
- nonlinear diffusion
- linear approximation
- taylor series
- convex hull
- numerical methods
- numerical scheme
- multiscale
- finite difference
- differential equations
- image enhancement
- image processing
- energy functional
- high order
- denoising
- curve evolution
- line drawings
- image restoration
- high dimensional