Optimization of the multigrid-convergence rate on semi-structured meshes by local Fourier analysis.
Björn GmeinerTobias GradlFrancisco José GasparUlrich RüdePublished in: Comput. Math. Appl. (2013)
Keyphrases
- semi structured
- convergence rate
- fourier analysis
- faster convergence rate
- structured data
- multiresolution
- convergence speed
- fourier transform
- data model
- information extraction
- non stationary
- web documents
- frequency domain
- text mining
- spherical harmonics
- image analysis
- multiscale
- machine learning
- gabor filters
- feature extraction
- gauss seidel
- image processing