Unsupervised Learning of Dirichlet Compound Negative Multinomial Mixture Model using Minorization-Maximization Approach.
Ornela BreguNizar BouguilaPublished in: ICTAI (2023)
Keyphrases
- mixture model
- unsupervised learning
- dirichlet distribution
- dirichlet prior
- expectation maximization
- em algorithm
- gaussian mixture model
- mixture modeling
- supervised learning
- semi supervised
- density estimation
- dimensionality reduction
- exponential family
- text classification
- probabilistic model
- gaussian mixture
- semi supervised learning
- finite mixture models
- machine learning
- object recognition
- maximum likelihood
- objective function
- generative model
- model selection
- feature selection
- probability density function
- probabilistic mixture model
- discrete data
- mixture of gaussians
- high dimensional
- decision trees
- computer vision