1. The birchfield dataset. 1998. http://www.ces.clemson.edu/~stb/research/headtracker/seq/.
2. Tracking of abrupt motion project website: 1998. http://cv.snu.ac.kr/research/~wlmctracker/index.html.
3. CAVIAR: Context aware vision using image-based active recognition. 2002. http://homepages.inf.ed.ac.uk/rbf/CAVIAR/.
4. CAVIAR test case scenarios. 2002. http://groups.inf.ed.ac.uk/vision/CAVIAR/CAVIARDATA1/.
5. FRAGtrack dataset: 2006. http://www.cs.technion.ac.il/~amita/fragtrack/fragtrack.htm.