A block-centered finite difference method for the nonlinear Sobolev equation on nonuniform rectangular grids.
Xiaoli LiHongxing RuiPublished in: Appl. Math. Comput. (2019)
Keyphrases
- finite difference method
- heat equation
- numerical methods
- finite difference
- partial differential equations
- scale space
- numerical solution
- steady state
- diffusion equation
- scale spaces
- nonlinear diffusion
- differential equations
- computer vision
- image denoising
- finite element
- diffusion process
- gaussian kernel
- image smoothing
- multiscale
- markov chain
- level set
- higher order
- denoising
- feature vectors
- object recognition