A hybrid approach to solve the high-frequency Helmholtz equation with source singularity in smooth heterogeneous media.
Jun FangJianliang QianLeonardo Zepeda-NúñezHongkai ZhaoPublished in: J. Comput. Phys. (2018)
Keyphrases
- high frequency
- low frequency
- visual quality
- wavelet transform
- high resolution
- subband
- wavelet coefficients
- scale space
- high frequencies
- low pass
- wavelet domain
- multimedia
- discrete wavelet transform
- frequency band
- high pass
- high frequency components
- wavelet decomposition
- frequency domain
- gray scale
- low and high frequency