p-multigrid with partial smoothing: An efficient preconditioner for discontinuous Galerkin discretizations with modal bases.
Christopher ThieleBéatrice RivièrePublished in: J. Comput. Appl. Math. (2022)
Keyphrases
- partial differential equations
- multiresolution
- adaptive smoothing
- multiscale
- differential equations
- diffusion equation
- image analysis
- anisotropic diffusion
- computer vision
- continuous functions
- iterative methods
- smoothing algorithm
- image processing
- computationally efficient
- image denoising
- level set
- modal logic
- boundary conditions
- numerical methods
- nonlinear diffusion
- bilateral filtering