Keyphrases
- frequency domain
- spectral domain
- spatial domain
- fourier transform
- spectral signatures
- frequency spectrum
- power spectral
- cross correlation
- power spectrum
- low frequency
- fourier domain
- denoising
- feature extraction
- low pass
- filter bank
- subband
- fourier analysis
- power spectra
- spectral analysis
- frequency analysis
- feature vectors
- phase correlation
- spectrum analysis
- frequency domain analysis
- image processing
- log polar
- hyperspectral imagery
- frequency response
- multiscale
- facial asymmetry
- hyperspectral