Anomaly detection method for sudden crowd based on instantaneous energy
A technology of instantaneous energy and crowds, applied in the direction of instruments, character and pattern recognition, computer components, etc., can solve the problems of rough extraction of feature points, slow response time of kinetic energy features, excessive calculation of acceleration features, etc.
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[0041] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0042] The present invention is based on the detection method of sudden crowd anomalies based on instantaneous energy, adopts the motion feature point extraction method based on pixel statistical analysis to extract the feature points of the image motion area, uses kinetic energy as the basic energy feature of the crowd, and based on the energy block in two consecutive The kinetic energy difference between frames is used to extract the instantaneous energy characteristics of the crowd's motion state, so as to detect sudden crowd abnormalities. The details are as follows:
[0043] Firstly, motion fe...
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