Efficient second-order semi-implicit finite element method for fourth-order nonlinear diffusion equations.
Sana KeitaAbdelaziz BeljadidYves BourgaultPublished in: Comput. Phys. Commun. (2021)
Keyphrases
- image processing
- fourth order
- nonlinear diffusion
- partial differential equations
- diffusion equation
- denoising
- anisotropic diffusion
- numerical solution
- image denoising
- finite difference
- image enhancement
- numerical methods
- noise removal
- edge detection
- scale spaces
- boundary conditions
- scale space
- edge preserving
- high order
- multiscale
- noisy images
- diffusion process
- color images
- natural images
- computer vision
- reaction diffusion
- image interpolation
- finite element
- noise reduction
- speckle noise
- gaussian noise
- shift invariant
- input image
- image features
- multiresolution