A modified frequency-domain criterion for gradient-like behavior of discrete phase systems.
Vera SmirnovaAlexander ShepeljavyiPublished in: PSYCO (2007)
Keyphrases
- frequency domain
- spatial domain
- fourier transform
- cross correlation
- fourier domain
- frequency analysis
- power spectrum
- low pass
- feature extraction
- denoising
- discrete fourier transform
- subband
- spectrum analysis
- computer vision
- spectral domain
- frequency domain analysis
- power spectra
- natural images
- multiresolution
- high quality
- feature selection