Keyphrases
- histograms of oriented gradients
- local binary pattern
- human detection
- pedestrian detection
- object detection
- face recognition
- feature descriptors
- histogram of oriented gradients
- action recognition
- texture analysis
- spatial information
- human body
- texture descriptors
- rotation invariant
- background subtraction
- texture classification
- hog features
- face detection
- multiscale
- bag of words
- surveillance system
- facial expression recognition
- texture features
- machine learning
- co occurrence
- feature extraction
- three dimensional
- moving objects
- image sequences