A higher-order hybrid finite difference method based on grid equidistribution for fourth-order singularly perturbed differential equations.
Aastha GuptaAditya KaushikPublished in: J. Appl. Math. Comput. (2022)
Keyphrases
- differential equations
- partial differential equations
- finite difference method
- fourth order
- higher order
- high order
- image denoising
- numerical methods
- anisotropic diffusion
- natural images
- numerical solution
- image processing
- level set
- multiscale
- pairwise
- ordinary differential equations
- diffusion equation
- markov random field
- heat equation
- image enhancement
- noise removal
- curve evolution
- nonlinear diffusion
- gaussian derivatives
- denoising
- dynamic programming
- dynamical systems
- image quality