Classification-oriented structure learning in Bayesian networks for multimodal event detection in videos.
Guillaume GravierClaire-Hélène DemartySiwar BaghdadiPatrick GrosPublished in: Multim. Tools Appl. (2014)
Keyphrases
- structure learning
- event detection
- bayesian networks
- event recognition
- video event detection
- markov blanket
- bayesian network classifiers
- video analysis
- graphical models
- multimedia event detection
- trecvid multimedia event detection
- conditional independence
- video event
- parameter learning
- parameter estimation
- sports video
- activity recognition
- structure learning algorithm
- text classification
- network structure
- transfer learning
- belief propagation
- posterior probability
- document classification
- random variables
- model selection
- training set
- decision trees
- video classification
- video sequences
- markov networks
- video annotation
- probabilistic model
- probability distribution
- supervised learning
- unsupervised learning
- knn
- video content
- least squares
- machine learning