Keyphrases
- human detection
- histograms of oriented gradients
- histogram of oriented gradients
- action recognition
- pedestrian detection
- hog features
- object detection
- surveillance system
- human tracking
- background subtraction
- human body
- adaboost classifier
- video surveillance
- computer vision
- state space
- weak classifiers
- markov random field
- co occurrence
- image retrieval
- image sequences