Keyphrases
- false positives
- feature extraction
- discriminative features
- object detection
- discrimination power
- feature vectors
- histograms of oriented gradients
- informative features
- object recognition
- discriminative classifiers
- adaboost classifier
- class specific
- hog features
- category labels
- detection algorithm
- extracted features
- false alarms
- selecting a small number
- automatic detection
- detection method
- computer vision
- generative model
- feature set
- co occurrence
- image features
- classification accuracy
- low level
- training set
- feature space
- face recognition
- feature selection