Unsupervised Learning Spatio-temporal Features for Human Activity Recognition from RGB-D Video Data.
Guang ChenFeihu ZhangManuel GiulianiChristian BucklAlois C. KnollPublished in: ICSR (2013)
Keyphrases
- video data
- human activity recognition
- unsupervised learning
- activity recognition
- human activities
- video streams
- supervised learning
- video analysis
- video sequences
- video content
- video retrieval
- video database
- semi supervised
- dimensionality reduction
- video frames
- video clips
- visual surveillance
- object recognition
- multimedia
- visual data
- key frames
- feature selection
- human computer interaction
- expectation maximization
- text classification
- temporal structure
- machine learning
- camera calibration
- action recognition
- pose estimation
- active learning
- data streams
- depth images
- reinforcement learning