Entrance and exit people counting method and device for open scenes

Abstract

The invention discloses an open type scene-oriented entrance and exit population counting method and device. The method comprises the following steps of: arranging a shoeprint collection plate with a camera device at an entrance and exit for acquiring original shoeprint pictures; extracting shoeprints; comparing each shoeprint with shoeprints in a preset time window, if the shoeprint does not exist in the time window, adding 1 to a population counting number in the corresponding direction, storing the shoeprint, and stepping into the next step, otherwise, keeping the population counting number in the corresponding direction unchanged; and comparing each shoeprint with shoeprints stored within a population counting time period, and if the shoeprint does not exist in the population counting time period, adding 1 into the population counting number, otherwise, keeping the population counting number unchanged. The invention is suitable for counting the population at the entrance and exit in the open type scene; the problem of shading of groups can be solved, and the same person can be identified; the population of people getting into and getting out of the entrance and exit can be simultaneously counted; and the environment adaptability is high.

Description

technical field [0001] The invention relates to the improvement of entrance and exit people counting technology, specifically refers to a method and device for counting the number of people at entrances and exits based on shoe print collection and identification and facing open scenes, belonging to the technical field of counting people at entrances and exits. Background technique [0002] Many open scenes need to count the number of people, and the entrance and exit of the opening scene have the following characteristics: the passers-by have no identification (such as: ID cards, tickets, etc.); the number of passers-by is relatively large, and there may be crowded situations; the entrances and exits are not separated , there are people entering and leaving at the same entrance. For example, the entrances and exits of shopping malls, schools, and free parks are such open scene entrances and exits. [0003] Currently, there are three main solutions for counting people at entr...

AI Technical Summary

Problems solved by technology

The invention can solve the problems of mutual blocking of people entering and leaving and repeated identification of the same person, and can count the number of people entering and leaving at the same time, and has good adaptability to the environment

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