An efficient implementation of fourth-order compact finite difference scheme for Poisson equation with Dirichlet boundary conditions.
Hanquan WangYong ZhangXiu MaJun QiuYan LiangPublished in: Comput. Math. Appl. (2016)
Keyphrases
- boundary conditions
- poisson equation
- diffusion equation
- finite difference
- fourth order
- partial differential equations
- nonlinear diffusion
- boundary value problem
- numerical solution
- shape from shading
- finite element model
- scale spaces
- noise removal
- sufficient conditions
- image processing
- anisotropic diffusion
- image denoising
- image enhancement
- mathematical morphology
- numerical methods
- high order
- noise level
- feature vectors
- multiscale
- image segmentation