Tracking of unknown nonstationary chirp signals using unsupervised clustering in the Wigner distribution space.
Fernand S. CohenShubha KadambeGloria Faye Boudreaux-BartelsPublished in: IEEE Trans. Signal Process. (1993)
Keyphrases
- non stationary
- unsupervised clustering
- instantaneous frequency
- wigner distribution
- supervised classification
- empirical mode decomposition
- frequency modulation
- fractional fourier transform
- blind source separation
- image segmentation
- clustering algorithm
- k means
- multi component
- spectral clustering
- clustering method
- signal processing
- fourier transform
- spatial frequency
- learning algorithm
- fuzzy c means
- document clustering
- frequency domain
- co occurrence
- probabilistic model
- machine learning