中文说明：
完成车辆计数功能，视频中有一个车辆通过检测带就有计数就加1。
English Description：
Complete the vehicle counting function. If a vehicle in the video passes through the detection belt, the count will be increased by 1
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中文说明：
完成车辆计数功能，视频中有一个车辆通过检测带就有计数就加1。
English Description：
Complete the vehicle counting function. If a vehicle in the video passes through the detection belt, the count will be increased by 1