Saad M. Khan, Mubarak Shah. Detecting group activities using rigidity of formation. In HongJiang Zhang, Tat-Seng Chua, Ralf Steinmetz, Mohan S. Kankanhalli, Lynn Wilcox, editors, Proceedings of the 13th ACM International Conference on Multimedia, November 6-11, 2005, Singapore. pages 403-406, ACM, 2005. [doi]
Abstract is missing.