Sparse spectral and p-finite element methods for partial differential equations on disk slices and trapeziums.
Ben SnowballSheehan OlverPublished in: CoRR (2019)
Keyphrases
- finite element methods
- partial differential equations
- numerical solution
- finite difference
- anisotropic diffusion
- level set
- image denoising
- image enhancement
- image processing
- high order
- differential equations
- numerical methods
- sparse representation
- energy functional
- diffusion equation
- fourth order
- multiscale
- numerical algorithms
- higher order
- image analysis