Feature extraction by autoregressive spectral analysis using maximum likelihood estimation: internal carotid arterial Doppler signals.
Elif Derya ÜbeyliPublished in: Expert Syst. J. Knowl. Eng. (2008)
Keyphrases
- spectral analysis
- maximum likelihood estimation
- autoregressive
- feature extraction
- carotid artery
- parameter estimation
- non stationary
- em algorithm
- maximum likelihood
- random fields
- spectrum analysis
- probability distribution
- expectation maximization
- signal processing
- feature vectors
- image processing
- pattern recognition
- principal component analysis
- markov random field
- face recognition
- feature selection
- dimensionality reduction
- sar images
- extracted features
- feature space
- density function