Two-Dimensional Semi-linear Riesz Space Fractional Diffusion Equations in Convex Domains: GLT Spectral Analysis and Multigrid Solvers.
Stefano Serra CapizzanoRosita Luisa SormaniCristina Tablino PossioPublished in: LSSC (2023)
Keyphrases
- spectral analysis
- diffusion equation
- anisotropic diffusion
- left invariant
- finite dimensional
- partial differential equations
- scale spaces
- infinite dimensional
- boundary conditions
- multiscale
- finite difference
- scale space
- image analysis
- autoregressive
- diffusion process
- noise removal
- low dimensional
- multiresolution
- image enhancement
- filter bank
- similarity measure
- convex sets
- pattern recognition