Keyphrases
- frequency domain
- spatial domain
- fourier transform
- power spectrum
- low frequency
- cross correlation
- feature extraction
- filter bank
- subband
- denoising
- fourier domain
- frequency response
- fourier analysis
- spectral domain
- spectrum analysis
- facial asymmetry
- frequency analysis
- directional filtering
- phase correlation
- fast fourier transform
- low pass
- discrete fourier transform
- bandpass
- image coding
- gray scale
- wavelet transform
- machine learning