Learning semantic features for action recognition via diffusion maps.
Jingen LiuYang YangImran SaleemiMubarak ShahPublished in: Comput. Vis. Image Underst. (2012)
Keyphrases
- action recognition
- action classification
- semantic features
- learning algorithm
- diffusion maps
- computer vision
- active learning
- human actions
- prior knowledge
- image segmentation
- activity recognition
- co occurrence
- low level features
- bag of words
- image representation
- visual features
- supervised learning
- low level
- keywords
- clustering algorithm
- search engine