Nine-point compact sixth-order approximation for two-dimensional nonlinear elliptic partial differential equations: Application to bi- and tri-harmonic boundary value problems.
R. K. Mohanty NiranjanPublished in: Comput. Math. Appl. (2023)
Keyphrases
- nonlinear partial differential equations
- partial differential equations
- boundary value problem
- numerical solution
- image denoising
- anisotropic diffusion
- level set
- differential equations
- image enhancement
- difference equations
- energy functional
- image processing
- multiscale
- diffusion equation
- finite difference
- numerical algorithms
- nonlinear diffusion
- poisson equation
- curve evolution
- boundary conditions
- fixed point
- input image