Group localisation and unsupervised detection and classification of basic crowd behaviour events for surveillance applications.
Nadejda RoubtsovaPeter H. N. de WithPublished in: Video Surveillance and Transportation Imaging Applications (2013)
Keyphrases
- unsupervised learning
- event detection
- supervised learning
- supervised classification
- classification accuracy
- machine learning
- digital mammograms
- classification scheme
- infrared
- detection algorithm
- classification method
- human activities
- semi supervised
- unsupervised classification
- pattern recognition
- feature extraction and classification
- pattern classification
- feature vectors
- classification models
- automatic classification
- partially supervised
- microcalcification clusters
- feature selection
- support vector machine svm
- decision trees
- image classification
- feature extraction
- support vector
- object detection
- support vector machine
- detection method
- false alarms
- object recognition
- soccer video
- novelty detection
- preprocessing
- training set
- knn
- video surveillance
- automatic detection
- detection rate
- feature set
- background subtraction
- false positives