A Fast Direct Solver for High Frequency Scattering from a Large Cavity in Two Dimensions.
Jun LaiSivaram AmbikasaranLeslie GreengardPublished in: SIAM J. Sci. Comput. (2014)
Keyphrases
- high frequency
- low frequency
- high resolution
- subband
- visual quality
- high frequencies
- wavelet transform
- high frequency components
- wavelet domain
- discrete wavelet transform
- low pass
- wavelet coefficients
- wavelet decomposition
- phase shifting
- frequency band
- low and high frequency
- multi resolution analysis
- blocking artifacts
- multiscale
- multispectral
- frequency domain