Perfectly-Matched-Layer Truncation is Exponentially Accurate at High Frequency.
Jeffrey GalkowskiDavid LafontaineEuan A. SpencePublished in: SIAM J. Math. Anal. (2023)
Keyphrases
- high frequency
- low frequency
- visual quality
- high resolution
- subband
- high frequencies
- wavelet coefficients
- wavelet transform
- high frequency components
- discrete wavelet transform
- wavelet decomposition
- high quality
- multi resolution analysis
- low pass
- multiscale
- frequency band
- blocking artifacts
- wavelet domain
- machine learning