Discriminative Topics Modelling for Action Feature Selection and Recognition.
Matteo BregonzioJian LiShaogang GongTao XiangPublished in: BMVC (2010)
Keyphrases
- feature selection
- feature extraction
- discriminative features
- recognizing actions
- cross view action recognition
- recognition rate
- recognition accuracy
- action recognition
- feature space
- unsupervised learning
- pattern recognition
- object recognition
- class separability
- action classification
- discrimination power
- feature set
- machine learning
- multi class
- support vector
- mutual information
- text categorization
- information retrieval
- related topics
- informative features
- text classification
- computer vision
- video based face recognition
- classification accuracy
- irrelevant features
- automatic recognition
- feature subset
- semi supervised
- visual recognition
- discriminative power
- multi task
- information gain
- recognition algorithm
- high dimensionality
- topic models
- model selection
- highly discriminative
- motion history images
- dimensionality reduction
- principal component analysis