研究了背景差分算法，并设计了一种对多车道路段的车流量检测系统。首先通过背景差分的方法，实现了运 动前景和背景的分割 进一步使用虚拟检测线实现了多车道车流量的检测-The background difference algorithm was studied，and a traffic flow measuring system for multilane road was designed

基于混合高斯模型的算法，我们可以利用该算法提取前景，检测背景！-Gaussian mixture model-based algorithm, we can take advantage of the the algorithm extracted prospects, detect background!