Keyphrases
- probabilistic latent semantic analysis
- co occurrence
- visual features
- latent dirichlet allocation
- latent semantic analysis
- probabilistic model
- em algorithm
- negative matrix factorization
- scene classification
- topic models
- expectation maximization
- latent variables
- latent semantic
- topic modeling
- information retrieval systems
- image representation
- machine learning
- maximum likelihood
- prior knowledge
- feature space