The dimension reduction method of two-grid Crank-Nicolson mixed finite element solution coefficient vectors for nonlinear fourth-order reaction diffusion equation with temporal fractional derivative.
Yihui ZengYuejie LiYitian ZengYihua CaiZhendong LuoPublished in: Commun. Nonlinear Sci. Numer. Simul. (2024)
Keyphrases
- diffusion equation
- finite element
- fourth order
- finite difference
- noise removal
- reduction method
- partial differential equations
- anisotropic diffusion
- nonlinear diffusion
- scale space
- diffusion process
- image enhancement
- numerical solution
- scale spaces
- high order
- boundary conditions
- edge preserving
- image processing
- edge detection
- denoising
- image denoising
- zero crossing
- filtering method
- image analysis
- gaussian noise
- computer vision
- noise reduction
- vector valued
- image interpolation
- image sequences
- feature selection