基于OPENCV的车辆检测，采用画出虚拟线圈的方法实现车辆的检测，定位，触发-Intelligent transport system(ITS)is currently being studied and the subject of widespread concern in the area of the world transport．These years，the great economic benefit has been gained through ITS，At the

强大的图像模式识别程序，在车辆测距中有很大作用，综合包括了聚类和分类程序-Powerful image pattern recognition program, plays a significant role in the vehicle ranging, including a comprehensive clustering and classification procedures