Identifying Surprising Events in Videos Using Bayesian Topic Models.
Avishai HendelDaphna WeinshallShmuel PelegPublished in: ACCV (3) (2010)
Keyphrases
- topic models
- latent dirichlet allocation
- topic modeling
- variational inference
- text documents
- text streams
- generative model
- co occurrence
- event detection
- probabilistic model
- latent variables
- text mining
- latent topics
- gibbs sampling
- video content
- bayesian inference
- posterior distribution
- latent topic models
- maximum likelihood
- video data
- bayesian networks
- parameter estimation
- expectation maximization
- pairwise
- probabilistic topic models