A two-grid mixed finite element method for a nonlinear fourth-order reaction-diffusion problem with time-fractional derivative.
Yang LiuYanwei DuHong LiJichun LiSiriguleng HePublished in: Comput. Math. Appl. (2015)
Keyphrases
- reaction diffusion
- finite element method
- fourth order
- partial differential equations
- boundary conditions
- numerical solution
- diffusion equation
- numerical methods
- nonlinear diffusion
- anisotropic diffusion
- noise removal
- level set
- high order
- image denoising
- image processing
- finite element
- scale spaces
- numerical simulations
- image enhancement
- differential equations
- energy functional
- finite element model
- diffusion process
- image interpolation
- multiscale
- shape from shading
- sufficient conditions
- feature extraction
- multiresolution
- cellular automaton
- cellular automata
- curve evolution
- noisy images
- noise reduction