L-Sweeps: A scalable, parallel preconditioner for the high-frequency Helmholtz equation.
Matthias TausLeonardo Zepeda-NúñezRussell J. HewettLaurent DemanetPublished in: CoRR (2019)
Keyphrases
- high frequency
- low frequency
- visual quality
- wavelet transform
- high resolution
- discrete wavelet transform
- low pass
- wavelet coefficients
- high frequencies
- subband
- high frequency components
- frequency domain
- frequency band
- wavelet domain
- multiscale
- edge preserving
- high quality
- super resolution
- color filter array
- high pass
- image analysis
- multi resolution analysis