Spectral asymptotics for a singularly perturbed fourth order locally periodic elliptic operator.
Alexandra ChechkinaIryna PankratovaKlas PetterssonPublished in: Asymptot. Anal. (2015)
Keyphrases
- fourth order
- partial differential equations
- noise removal
- high order
- anisotropic diffusion
- image interpolation
- nonlinear diffusion
- image denoising
- level set
- markov chain
- sufficient conditions
- gaussian derivatives
- image processing
- multiscale
- numerical solution
- image enhancement
- diffusion equation
- locally adaptive
- mathematical morphology
- edge detection
- numerical algorithms
- edge preservation
- edge preserving
- high resolution