车牌识别技术(Vehicle License Plate Recognition，VLPR) 是指能够检测到受监控路面的车辆并自动提取车辆牌照信息（含汉字字符、英文字母、阿拉伯数字及号牌颜色）进行处理的技术。车牌识别是现代智能交通系统中的重要组成部分之一，应用十分广泛。它以数字图像处理、模式识别、计算机视觉等技术为基础，对摄像机所拍摄的车辆图像或者视频序列进行分析，得到每一辆汽车唯一的车牌号码，从而完成识别过程。-License plate recognition technology (VLPR) is the ability to detect the monitored road vehicles and vehicle license automatically extract information (including Kanji characters, English letters, digits and plate color) processing technology. License plate recognition is one of the modern intelligent transportation system, an important part of the wide range of applications. It is a digital image processing, pattern recognition, computer vision technology, the vehicle image captured by the camera or video sequence analysis, only every car s license plate number, thus completing the identification process.