车辆牌照定位与识别是计算机视觉与模式识别在智能交通领域应用的重要研究之一。

该技术应用范围十分广泛。其中包括（1）交通流量检测；（2）；（3）；（4）小区车辆管理；（5）闯红灯等违规车辆监控；（6）不停车自动收费；（7）道口检查车辆监控；（8）公共停车场车辆监控；（9）计算出行时间；（10）车辆安全防盗。

2.1国内研究现状

-Vehicle license plate location and recognition is one of the important research in computer vision and pattern recognition in the field of intelligent transportation applications. Wide range of applications of the technology. These include (1) traffic detection　(2)　(3)　(4) cell vehicle management　(5) the red light vehicle monitoring and other irregularities　(6) non-stop automatic toll collection　(7) crossing inspection vehicle monitoring　( 8) Public parking vehicle monitoring　(9) to calculate the travel time　(10) vehicle anti-theft security. 2.1 status of domestic research