A method and device for counting people based on head and shoulder detection

Abstract

The invention discloses a method and equipment for counting people based on head and shoulder detection, comprising step S1: setting a hot zone and a baseline in a monitoring video; Detection; step S3: judge whether there is a head and shoulders according to the result of the head and shoulders detection; if yes, then execute step S4; step S4: set the head and shoulders frame and keep or update the tracking list, and continue to execute step S6; step S6: Track each head and shoulders frame in the tracking list to obtain a group of tracking frames; step S7: judge whether the tracked head and shoulders frame in the current frame meets the trigger condition of people counting; step S8: start the counter, according to the Head and shoulders frames are tracked for head counting. The invention also discloses a device for counting people based on head and shoulder detection. The people counting method of the invention has the advantages of wide application fields, high detection rate, low false detection rate, and high tracking performance.

Description

technical field [0001] The invention relates to the fields of computer vision and image processing, in particular to a method and equipment for counting people based on head and shoulder detection. Background technique [0002] The people counting system can count the number of people passing through the monitoring area within a period of time, realize multi-directional people counting, and provide information such as crowd flow. According to different application needs, users can specify to monitor one or more entrances and exits, and can also specify to count the flow of people in one direction or two directions. The people counting system can be widely used in public transportation vehicles, long-distance vehicles and large shopping malls, shopping centers, exhibition halls, customs, museums and exhibition halls, and provides indispensable data for the management and decision-making of these public places. For the retail industry, the flow of people is a very basic indic...

AI Technical Summary

Problems solved by technology

[0007] In order to solve the technical problems of low accuracy and unusable complex background in the people counting system in the prior art, the present invention proposes a method for counting people based on head and shoulder detection, which includes the following steps: Step S1: In the monitoring video, a hot zone for head and shoulder detection and a baseline for people counting are set; step S2: perform head and shoulder detection on the hot zone in the image frame of the monitoring video; step S3: detect according to the head and shoulder As a result, it is judged whether there is a head and shoulders; if there is, then step S4 is performed; step S4: set the head and shoulders frame and maintain or update the tracking list, the tracking list is used to store the head and shoulders frame that needs to be tracked, and continue to perform step S6; step S6: Track each head and shoulders frame in the tracking list to obtain a group of tracking frames; Step S7: Determine whether the tracked head and shoulders frame in the current frame meets the people counting trigger condition; if it meets the people counting trigger condition, Then execute step S8; if the people counting trigger condition is not satisfied, return to step S2 to detect the next frame; step S8: start the counter, and perform people counting according to the tracked head and shoulders frame

Images