Keyphrases
- sparse representation
- surveillance videos
- object tracking
- dictionary learning
- sparse coding
- video surveillance
- object classification
- signal processing
- multi camera
- video data
- face recognition
- image classification
- surveillance system
- event detection
- image representation
- appearance model
- moving target
- machine learning
- video sequences
- real time
- sparse coefficients
- object categories
- human activities
- test images
- high dimensional data
- data sets
- data points
- similarity measure
- computer vision