Keyphrases
- frequency domain
- spatial domain
- fourier transform
- feature extraction
- power spectrum
- cross correlation
- low frequency
- subband
- denoising
- frequency analysis
- facial asymmetry
- spectral domain
- low pass
- fourier domain
- input output
- spectrum analysis
- discrete fourier transform
- fourier analysis
- bandpass
- power spectra
- frequency spectrum
- phase correlation
- filter bank
- high frequency
- feature selection
- edge detection
- non stationary