Automatic analysis of composite activities in video sequences using Key Action Discovery and hierarchical graphical models.
Ioannis KaloskampisYulia HicksA. David MarshallPublished in: ICCV Workshops (2011)
Keyphrases
- graphical models
- automatic analysis
- video sequences
- belief propagation
- probabilistic model
- random variables
- probabilistic inference
- probabilistic graphical models
- approximate inference
- human actions
- conditional random fields
- markov networks
- exact inference
- map inference
- structure learning
- factor graphs
- bayesian networks
- belief networks
- graph structure
- exponential family
- image sequences
- latent variables
- structural learning
- conditional independence
- message passing
- undirected graphical models
- higher order
- graphical structure