A nonparametric frequency domain EM algorithm for time series classification with applications to spike sorting and macro-economics.
Georg M. GoergPublished in: Stat. Anal. Data Min. (2011)
Keyphrases
- frequency domain
- em algorithm
- expectation maximization
- probabilistic principal component analysis
- spatial domain
- mixture model
- density estimation
- fourier transform
- maximum likelihood
- maximum likelihood estimation
- parameter estimation
- generative model
- feature extraction
- gaussian mixture
- gaussian mixture model
- expectation maximisation
- denoising
- fast fourier transform
- subband
- probability density function
- maximum a posteriori
- sampling methods
- probabilistic model
- image quality
- image data
- mixture modeling
- unsupervised learning
- object recognition
- multiscale