A fast direct solver for high frequency scattering from a large cavity in two dimensions.
Jun LaiSivaram AmbikasaranLeslie GreengardPublished in: CoRR (2014)
Keyphrases
- high frequency
- low frequency
- visual quality
- wavelet transform
- high resolution
- discrete wavelet transform
- subband
- low pass
- high frequencies
- low bit rate coding
- wavelet coefficients
- multi resolution analysis
- high frequency components
- wavelet decomposition
- image denoising
- wavelet domain
- contourlet transform
- low and high frequency