A fourth order finite difference method for the Dirichlet biharmonic problem.
Bernard BialeckiPublished in: Numer. Algorithms (2012)
Keyphrases
- finite difference method
- fourth order
- partial differential equations
- boundary conditions
- finite element model
- finite element method
- anisotropic diffusion
- image denoising
- level set
- numerical solution
- image enhancement
- image processing
- nonlinear diffusion
- heat equation
- noise removal
- high order
- numerical methods
- diffusion equation
- sufficient conditions
- multiscale
- scale spaces
- shape from shading
- differential equations
- denoising
- covariance matrix
- natural images
- markov random field
- pairwise