Robust clustering by deterministic agglomeration EM of mixtures of multivariate t-distributions.
Shy ShohamPublished in: Pattern Recognit. (2002)
Keyphrases
- finite mixtures
- expectation maximization
- k means
- mixture model
- unsupervised learning
- clustering algorithm
- mixed data
- minimum message length
- clustering method
- em algorithm
- heavy tailed distributions
- heavy tailed
- multivariate normal
- density estimation
- gaussian distribution
- random variables
- self organizing maps
- probabilistic model
- fuzzy c means
- gaussian mixture
- data points
- gaussian mixture model
- data sets
- multivariate data
- model based clustering
- information theoretic
- blind source separation
- categorical data
- hierarchical clustering
- probability distribution
- image segmentation
- neural network