Multigrid Simulation for High-Frequency Solutions of the Helmholtz Problem in Heterogeneous Media.
Seongjai KimSoohyun KimPublished in: SIAM J. Sci. Comput. (2002)
Keyphrases
- high frequency
- low frequency
- visual quality
- high resolution
- subband
- multiresolution
- wavelet coefficients
- wavelet transform
- low pass
- wavelet decomposition
- discrete wavelet transform
- image analysis
- high frequencies
- high frequency components
- wavelet domain
- blocking artifacts
- multi resolution analysis
- multimedia
- filter bank
- frequency domain
- video sequences
- multiscale
- image segmentation