A Gabor expansion-based positive time-dependent power spectrum.
Flemming PedersenPublished in: IEEE Trans. Signal Process. (1999)
Keyphrases
- power spectrum
- bank of gabor filters
- complex moments
- frequency domain
- natural images
- frequency analysis
- power spectral
- signal noise ratio
- spectral estimation
- feature extraction
- autocorrelation function
- feature vectors
- fourier transform
- gabor filters
- multiscale
- face recognition
- machine learning
- image representation
- signal processing
- wavelet transform