A new fourth order discretization for singularly perturbed two dimensional non-linear elliptic boundary value problems.
R. K. MohantySwarn SinghPublished in: Appl. Math. Comput. (2006)
Keyphrases
- boundary value problem
- fourth order
- partial differential equations
- numerical solution
- anisotropic diffusion
- differential equations
- image denoising
- cubic convolution
- image processing
- high order
- level set
- noise removal
- nonlinear diffusion
- multiscale
- image enhancement
- boundary conditions
- poisson equation
- image interpolation
- numerical methods
- gaussian derivatives
- curve evolution
- diffusion equation
- finite element
- edge detection
- scale spaces
- denoising
- image compression
- higher order
- natural images
- finite element method
- dynamical systems
- single image