Keyphrases
- frequency domain
- spatial domain
- fourier transform
- cross correlation
- power spectrum
- denoising
- low frequency
- feature extraction
- subband
- spectrum analysis
- facial asymmetry
- filter bank
- fourier domain
- discrete fourier transform
- frequency analysis
- low pass
- fourier analysis
- frequency response
- fast fourier transform
- multiscale
- spectral domain
- power spectra