Wavelet-based approximation with nonstandard finite difference scheme for singularly perturbed partial integrodifferential equations.
Devendra KumarKomal DeswalSatpal SinghPublished in: Comput. Appl. Math. (2022)
Keyphrases
- higher order
- finite difference
- numerical scheme
- numerical solution
- semi implicit
- finite element
- partial differential equations
- natural images
- numerical analysis
- hamilton jacobi
- difference equations
- anisotropic diffusion
- pairwise
- level set
- variational methods
- wavelet transform
- diffusion equation
- image denoising
- multiresolution
- energy functional
- image enhancement