Challenges with EM in application to weakly identifiable mixture models.
Raaz DwivediNhat HoKoulik KhamaruMartin J. WainwrightMichael I. JordanBin YuPublished in: CoRR (2019)
Keyphrases
- mixture model
- expectation maximization
- em algorithm
- gaussian mixture model
- density estimation
- generative model
- probabilistic model
- unsupervised learning
- maximum likelihood
- mixture modeling
- model selection
- dirichlet prior
- machine learning
- finite mixture model
- computer vision
- information retrieval
- closed form
- probability density function
- language model
- gaussian mixture
- semi supervised