The invention discloses a method for identifying vehicles entering and exiting parking spaces, and the method comprises the steps: obtaining a monitoring image, and building a two-dimensional coordinate system; determining responsibility parking spaces, wherein each responsibility parking space obtains a corresponding coordinate area; intercepting a field image from the field video every a presetperiod to obtain a vehicle two-dimensional coordinate of each vehicle in each field image; judging whether the two-dimensional coordinates of the vehicle in each field image have intersection points with the parking space coordinate set or not, obtaining a coordinate intersection, and calculating a coordinate intersection area, namely an overlapping area of the vehicle and the parking space; and calculating the overlap ratio of the vehicle and the parking space coordinate set according to the ratio of the coordinate intersection area to the vehicle area, and judging the state of the vehicle according to the change trend of the overlap ratio in the continuous multi-frame images. The method for identifying vehicles entering and exiting parking spaces is completed through a camera and an analysis module, management personnel do not need to be configured on site, manpower management cost can be greatly reduced, and higher identification efficiency is achieved.
本发明公开了一种车辆进出停车位的识别方法,包括获取监控影像,建立二维坐标系;确定责任停车位,每个责任停车位获得对应的坐标区域;每间隔预设周期从现场视频中截取现场图像,获得每个现场图像中每个车辆的车辆二维坐标;判断每个现场图像中车辆二维坐标是否与停车位坐标集合具有交点,获得坐标交集,并计算出坐标交集面积,即车辆与停车位的重合面积;根据坐标交集面积和车辆面积的比例,计算车辆与停车位坐标集合的重合度,并从连续多帧图像中重合度的变化趋势判断车辆的状态。本发明识别车辆进出停车场的方法是通过摄像机和分析模块完成的,不需要在现场配置管理人员,能够大大降低人力管理成本,具有更高的识别效率。
Method for identifying vehicles entering and exiting parking spaces
一种车辆进出停车位的识别方法
2021-03-26
Patent
Electronic Resource
Chinese
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