Frequency-domain implementations of periodically time-varying filters.
Earl R. Ferrara Jr.Published in: IEEE Trans. Acoust. Speech Signal Process. (1985)
Keyphrases
- frequency domain
- bandpass
- impulse response
- frequency response
- spatial domain
- directional filtering
- fourier transform
- fourier domain
- low pass
- high pass
- power spectrum
- denoising
- low frequency
- fourier analysis
- spectrum analysis
- subband
- frequency analysis
- feature extraction
- cross correlation
- filter bank
- adaptive filter
- image processing
- filter responses
- edge detection
- frequency spectrum
- affine invariance
- power spectra
- power spectral
- fast fourier transform
- spatial and frequency domains
- facial asymmetry
- multiscale
- feature vectors
- fir filters
- phase correlation