[1] H. Mousavi, S. Mohammadi, Alessandro Perina, R. Chellali, Vittorio Murino,“Analyzing Tracklets for the Detection of Abnormal Crowd Behaviour”, IEEE Winter Conference on Applications of Computer Vision, 2015.

[2] B.Yogameena, K.S. Priya, “ Synoptic Video Based Human Crowd Behaviour Analysis for Forensic Video Surveillance”, IEEE International Conference on Advances in Pattern Recognition(ICAPR), 2015.

[3] Aravinda Rao, J. Gubbi, M. Slaven , M. Palaniswami, “Crowd Event Detection on Optical Flow Manifolds”, IEEE transactions on cybernetics, 2016

[4] Yang , Xia Li and Limin Jia, “Abnormal Crowd Behavior Detection Based on Optical Flow and Dynamic Threshold”, IEEE International Conference on Intelligent Control and Automation, 2014.

[5] B. Solmaz, Brian E. Moore and Mubarak Shah, “Identifying Behaviors in Crowd Scenes Using Stability Analysis for Dynamical Systems”, IEEE Transactions on pattern analysis and machine intelligene, 2010.

[6] Guo Xiong, Xinyu Wu, Yen-Lun Chen and Yong Ou, “Abnormal Crowd Behavior Detection Based on the Energy Model”, IEEE International Conference on Information and Automation, 2011.

[7] Zhi Zhong, Weizhong Ye, “Crowd Energy and Feature Analysis”, IEEE International Conference on Integration Technology, 2007.