Keyphrases
- false positives
- highly similar
- detection algorithm
- database
- similarity measure
- feature vectors
- classification accuracy
- automatically extracted
- adaboost classifier
- detection method
- similarity function
- feature extraction
- additional features
- structural features
- extracted features
- detection rate
- image features
- feature space
- automatic detection
- structural information
- false alarms
- image classification
- feature set
- co occurrence
- linguistic information
- textual features
- support vector machine classifier
- keywords