On a fourth-order finite-difference method for singularly perturbed boundary value problems.
Dragoslav HercegDjordje HercegPublished in: Appl. Math. Comput. (2008)
Keyphrases
- partial differential equations
- finite difference method
- fourth order
- boundary value problem
- numerical solution
- anisotropic diffusion
- image denoising
- differential equations
- level set
- image processing
- numerical methods
- multiscale
- image enhancement
- nonlinear diffusion
- diffusion equation
- high order
- energy functional
- curve evolution
- gaussian derivatives
- multiresolution
- object recognition
- computer vision
- denoising
- level set method
- edge preserving
- differential operators