HMM-Based Acoustic Event Detection with AdaBoost Feature Selection.
Xi ZhouXiaodan ZhuangMing LiuHao TangMark Hasegawa-JohnsonThomas S. HuangPublished in: CLEAR (2007)
Keyphrases
- event detection
- feature selection
- hidden markov models
- multi class
- event recognition
- support vector
- video analysis
- activity recognition
- text classification
- video surveillance
- text categorization
- video event detection
- feature set
- feature space
- machine learning
- feature extraction
- knn
- decision trees
- learning algorithm
- complex events
- object detection
- sports video
- semantic event detection
- feature subset
- video event
- active database management systems