Keyphrases
- latent dirichlet allocation
- topic models
- topic modeling
- latent topic models
- visual recognition
- generative model
- lda model
- variational bayesian inference
- topic discovery
- unsupervised learning
- latent topics
- object recognition
- text mining
- feature extraction
- probabilistic topic models
- pattern recognition
- probabilistic latent semantic analysis
- gibbs sampling
- supervised learning
- learning algorithm
- face recognition
- variational inference
- semi supervised
- machine learning
- action recognition
- dimensionality reduction
- face images
- active learning
- probabilistic model
- facial expressions
- word counts