1. Alon, J., Sclaroff, S., Kollios, G., Pavlovic, V., 2003. Discovering cluster in motion time-series data. In: Proc. Computer Vision and Pattern Recognition. Madison, WI, USA, pp. 375–381.
2. Biliotti, D., Antonini, G., Thiran, J., 2005. Multi-layer hierarchical clustering of pedestrian trajectories for automatic counting of people in video sequences. In: IEEE Workshop on Motion an Video Computing. Breckenridge, CO, USA, pp. II/50–57.
3. Bille, P., 2003. Tree edit distance, alignment distance and inclusion. Tech. Rep. TR-2003-23, The IT University of Copenhagen.
4. Buzan, D., Sclaroff, S., Kollios, G., 2004. Extraction and clustering of motion trajectories in video. In: Proc. Internat. Conf. on Pattern Recognition. Cambridge, UK, pp. 521–524.
5. Collins, R., Lipton, A., Kanade, T., Fujiyoshi, H., Duggins, D., Tsin, Y., Tolliver, D., Enomoto, N., Hasegawa, O., 2000. A system for video surveillance and monitoring. Tech. Rep. CMU-RI-TR-00-12, Robotics Institute, Carnegie Mellon University.