Zhao, Ying; Yuan, Mengqi; Su, Guofeng; Chen, Tao - In: Physica A: Statistical Mechanics and its Applications 431 (2015) C, pp. 84-93
In the crowd security research area a primary concern is to identify the macro state of crowd behaviors to prevent disasters and to supervise the crowd behaviors. The entropy is used to describe the macro state of a self-organization system in physics. The entropy change indicates the system...