背景提取与车辆检测 ..................\11.jpg ..................\12.jpg ..................\back.jpg ..................\backlw.m ..................\conectf.m ..................\doubnomth.m ..................\equa.m ..................\finalback.jpg ..................\testbwfill.m ..................\testfillregion.m ..................\tracksub.m ..................\trackylw.m