An asymptotic finite element method for singularly perturbed third and fourth order ordinary differential equations with discontinuous source term.
A. Ramesh BabuN. RamanujamPublished in: Appl. Math. Comput. (2007)
Keyphrases
- ordinary differential equations
- partial differential equations
- fourth order
- finite element method
- numerical solution
- numerical methods
- anisotropic diffusion
- differential equations
- level set
- image denoising
- image processing
- finite element
- low order
- image enhancement
- noise removal
- nonlinear diffusion
- high order
- energy functional
- multiscale
- curve evolution
- diffusion equation
- numerical simulations
- regularization term
- boundary conditions
- image interpolation
- image segmentation
- similarity measure
- lower bound
- pairwise
- image analysis
- denoising
- dynamic systems