Population surveillance and trend alert analysis of mass gatherings

Abstract

Taking the bund stampede in December 31th,2014 as an example,the urgent problems of the population surveillance and trend alert analysis in mass gatherings were proposed:population statistics and the flow density in the scenic,flow and velocity analysis,the judgments of stop-and-go or head-on walking phenomenon inside the local area.In order to provide support for population situation judgment and early warning,emergency response and evacuation in future mass gatherings,the intrinsic defects of the current three principal techniques analysis and the corresponding suggestions were put forward.

Keywords

• population surveillance;trend alert;visitor location register;the bund stampede;mass gathering