A concave regularization technique for sparse mixture models.
Martin O. LarssonJohan UganderPublished in: NIPS (2011)
Keyphrases
- mixture model
- automatic model selection
- gaussian mixture model
- em algorithm
- generative model
- expectation maximization
- probabilistic model
- model selection
- maximum likelihood
- unsupervised learning
- density estimation
- high dimensional
- language model
- mixture modeling
- factor analysis
- sparse coding
- objective function
- sparse representation
- probability density function
- gaussian mixture
- reinforcement learning
- finite mixtures
- mixture of gaussians
- exponential family
- feature vectors
- data sets
- active learning
- dimensionality reduction