Keyphrases
- invariant features
- false positives
- feature vectors
- automatic detection
- low level
- image features
- feature set
- computer vision
- event detection
- adaboost classifier
- data sets
- support vector machine classifier
- discriminative classifiers
- detection accuracy
- spatial information
- svm classifier
- detection method
- detection algorithm
- co occurrence
- classification accuracy
- prior knowledge
- moving objects
- feature space
- object recognition
- multiscale
- machine learning