Keyphrases
- frequency domain
- bandpass
- impulse response
- frequency response
- directional filtering
- spatial domain
- fourier domain
- fourier transform
- low pass
- high pass
- low frequency
- cross correlation
- power spectrum
- spatial and frequency domains
- denoising
- power spectra
- edge detection
- subband
- facial asymmetry
- frequency analysis
- feature extraction
- spectrum analysis
- fourier analysis
- filter bank
- affine invariance
- frequency domain analysis
- discrete fourier transform
- natural images
- low pass filtering
- correlation filters
- adaptive filtering
- gabor filters
- feature selection