Nonuniformly weighted Schwarz smoothers for spectral element multigrid.
Jörg StillerPublished in: CoRR (2015)
Keyphrases
- multiresolution
- image analysis
- spectral analysis
- multiscale
- boundary conditions
- weighted sum
- partial differential equations
- spectral images
- sparse linear
- smoothing algorithm
- spectral data
- multispectral images
- computationally expensive
- image processing
- data sets
- image reconstruction
- multispectral
- spectral features
- similarity measure
- computer vision