Nonparametric spectral analysis with missing data via the EM algorithm.
Yanwei WangPetre StoicaJian LiThomas L. MarzettaPublished in: Digit. Signal Process. (2005)
Keyphrases
- spectral analysis
- em algorithm
- missing data
- expectation maximization
- probabilistic principal component analysis
- incomplete data
- density estimation
- mixture model
- maximum likelihood
- missing values
- gaussian mixture model
- parameter estimation
- low rank
- generative model
- maximum likelihood estimation
- gaussian mixture
- probabilistic model
- probability density function
- maximum a posteriori
- filter bank
- matrix factorization
- speech signal
- similarity measure
- wavelet domain
- feature space
- clustering algorithm
- autoregressive
- computational complexity