A Fast Butterfly-Compressed Hadamard-Babich Integrator for High-Frequency Helmholtz Equations in Inhomogeneous Media with Arbitrary Sources.
Yang LiuJian SongRobert BurridgeJianliang QianPublished in: Multiscale Model. Simul. (2023)
Keyphrases
- high frequency
- low frequency
- high resolution
- wavelet transform
- visual quality
- subband
- multimedia
- discrete wavelet transform
- high frequencies
- wavelet coefficients
- multi resolution analysis
- wavelet decomposition
- wavelet domain
- transform coefficients
- feature extraction
- compressed domain
- high frequency components
- multiresolution