该程序为C++Builder环境下编制的，可以在视频文件中（AVI）中检测道路上通过虚拟线圈的车辆数量，并可以在车道上画虚拟线圈。实检率达到93.8 -Prepared by the procedures C++Builder environment, in a video file (AVI) detected on the road by the number of vehicles of the virtual loops, virtual coil and can be painted