中文说明：一个用于识别客车、轿车、面包车等的车型识别的程序，用matlab编写，利用背景差分得到车辆区域，再做后续图像处理
English Description：
A program for the recognition of passenger cars, cars, vans, etc. is written in MATLAB. The background difference is used to get the vehicle area, and then the subsequent image processing is done