Two-Level Fourier Analysis of a Multigrid Approach for Discontinuous Galerkin Discretization.
Pieter W. HemkerW. HoffmannM. H. van RaaltePublished in: SIAM J. Sci. Comput. (2003)
Keyphrases
- fourier analysis
- partial differential equations
- fourier transform
- frequency domain
- non stationary
- differential equations
- spherical harmonics
- image analysis
- multiresolution
- multiscale
- image denoising
- image processing
- level set
- graph cuts
- image compression
- subband
- signal processing
- denoising
- computational complexity
- flow field
- pattern recognition
- feature extraction
- feature selection