Wigner polyspectra: higher-order spectra in time varying signal processing.
Javier R. FonollosaChrysostomos L. NikiasPublished in: ICASSP (1991)
Keyphrases
- signal processing
- higher order
- natural images
- image processing
- pattern recognition
- high order
- pairwise
- markov models
- lower order
- low order
- markov random field
- hyperspectral images
- fourier transform
- filter bank
- hardware implementation
- spectral images
- principal component analysis
- digital signal processing
- raman spectra
- conditional random fields
- neural network
- database systems
- feature extraction
- multiresolution
- image analysis