A Two-Grid Block-Centered Finite Difference Method for the Nonlinear Time-Fractional Parabolic Equation.
Xiaoli LiHongxing RuiPublished in: J. Sci. Comput. (2017)
Keyphrases
- finite difference method
- numerical methods
- heat equation
- finite difference
- partial differential equations
- numerical solution
- diffusion equation
- steady state
- differential equations
- scale spaces
- scale space
- finite element method
- finite element
- gaussian kernel
- nonlinear diffusion
- diffusion process
- natural images
- finite element model
- image processing
- energy functional
- image denoising
- level set