Face Recognition Using Probabilistic Two-Dimensional Principal Component Analysis and Its Mixture Model.
Haixian WangZilan HuPublished in: ICNC (1) (2006)
Keyphrases
- mixture model
- generative model
- probabilistic model
- gaussian mixture model
- generalized em algorithm
- em algorithm
- density estimation
- language model
- expectation maximization
- model selection
- unsupervised learning
- mixture modeling
- finite mixture models
- posterior probability
- dirichlet processes
- hierarchical dirichlet process
- similarity measure
- discriminative learning
- prior knowledge
- face images
- latent dirichlet allocation
- dirichlet distribution
- latent variables
- bayesian networks
- maximum likelihood