Keyphrases
- action recognition
- manifold learning
- human movements
- static images
- motion features
- motion capture data
- motion history images
- recognizing human actions
- recognition of human actions
- human actions
- low dimensional
- human activities
- semi supervised
- activity recognition
- dimensionality reduction
- bag of words
- action recognition in videos
- computer vision
- human motion
- dimension reduction
- action classification
- high dimensional
- view invariant
- body parts
- high dimensional data
- feature extraction
- sparse representation
- spatio temporal
- feature vectors
- optical flow
- image features
- image sequences
- space time
- moving objects
- feature space
- motion recognition
- principal component analysis
- image processing