Frequency-domain criteria for gradient-like behavior of phase control systems with vector nonlinearities.
Aleksey PerkinVera SmirnovaAlexander ShepeljavyiPublished in: CCA/ISIC (2009)
Keyphrases
- frequency spectrum
- frequency domain
- fourier transform
- fourier domain
- control system
- spatial domain
- cross correlation
- power spectrum
- feature extraction
- subband
- frequency analysis
- edge detection
- denoising
- low pass
- discrete fourier transform
- fourier analysis
- power spectra
- facial asymmetry
- spectral domain
- frequency domain analysis
- power spectral
- feature vectors
- frequency response
- image segmentation
- affine invariance