A linearlized mass-conservative fourth-order block-centered finite difference method for the semilinear Sobolev equation with variable coefficients.
Xiaoying WangJie XuHongfei FuPublished in: Commun. Nonlinear Sci. Numer. Simul. (2024)
Keyphrases
- fourth order
- finite difference method
- partial differential equations
- image interpolation
- numerical methods
- heat equation
- numerical solution
- anisotropic diffusion
- image denoising
- level set
- image processing
- finite difference
- differential equations
- wavelet coefficients
- image enhancement
- high order
- noise removal
- multiscale
- nonlinear diffusion
- curve evolution
- diffusion equation
- energy functional
- basis functions
- denoising
- scale spaces
- object recognition
- linear combination
- scale space
- locally adaptive
- computer vision