Efficient second-order semi-implicit finite element method for fourth-order nonlinear diffusion equations.
Sana KeitaAbdelaziz BeljadidYves BourgaultPublished in: CoRR (2020)
Keyphrases
- fourth order
- nonlinear diffusion
- diffusion equation
- anisotropic diffusion
- partial differential equations
- noise removal
- scale spaces
- denoising
- finite difference
- scale space
- boundary conditions
- high order
- diffusion process
- numerical solution
- image denoising
- image enhancement
- vector valued
- numerical methods
- noise reduction
- speckle noise
- multiscale
- edge preserving
- finite element
- reaction diffusion
- ultrasound images
- natural images
- edge detection
- shift invariant
- level set
- object recognition
- computer vision