A Matrix-Free Eigenvalue Solver for the Multigroup Neutron Diffusion Equation.
Amanda CarreñoAntoni Vidal-FerràndizDamián GinestarGumersindo VerdúPublished in: ICCS (5) (2019)
Keyphrases
- diffusion equation
- anisotropic diffusion
- scale space
- perturbation theory
- diffusion process
- covariance matrix
- partial differential equations
- image enhancement
- boundary conditions
- noise removal
- diffusion coefficient
- scale spaces
- eigenvalue problems
- gaussian kernel
- structure tensor
- nonlinear diffusion
- positive definite
- pattern recognition
- filtering method
- digital images
- image features
- pairwise
- multiscale