Multilevel Quadrature for Elliptic Parametric Partial Differential Equations in Case of Polygonal Approximations of Curved Domains.
Michael GriebelHelmut HarbrechtMichael D. MultererPublished in: SIAM J. Numer. Anal. (2020)
Keyphrases
- partial differential equations
- image denoising
- level set
- anisotropic diffusion
- polygonal approximation
- numerical solution
- image enhancement
- image processing
- numerical methods
- boundary value problem
- curve evolution
- digital curves
- differential equations
- energy functional
- fourth order
- multiscale
- numerical algorithms
- finite difference
- high order
- denoising
- numerical scheme
- conservation laws
- image segmentation