Keyphrases
- action recognition
- linear discriminant analysis
- discriminant analysis
- face recognition
- static images
- principal component analysis
- human activities
- dimensionality reduction
- human actions
- computer vision
- feature extraction
- activity recognition
- human object interactions
- bag of words
- feature space
- motion history images
- support vector
- null space
- body parts
- high dimensional data
- action classification
- support vector machine svm
- recognizing human actions
- recognition of human actions
- pattern recognition
- scatter matrix
- action recognition in videos
- machine learning
- feature analysis
- independent component analysis
- spatio temporal
- face images