作为智能交通系统中的重要组成部分之一的车牌自动识别技术，目前已被广泛应用于城市道路监控、高速公路收费与监控、小区与停车场出入口管理、公安治安卡口等场合，成为研究的热点。
As an important part of intelligent transportation system, license plate automatic recognition technology has been widely used in urban road monitoring, highway toll and monitoring, community and parking lot entrance and exit management, public security checkpoints and other occasions, and has become a research hotspot.
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车牌识别技术是利用计算机等辅助设备进行的自动汽车牌照自动识别就是在装备了数字摄像设备和计算机信息管理统等软硬件平台的基础之上，通过对车辆图像的采集，采用先进的图像处理、模式识别和人工智能技术，在图像中找到车牌的位置，提取出组成车牌号码的全部字符图像，再识别出车牌中的文字、字母和数字，最后给出车牌的真实号码。
License plate recognition technology is the use of computer and other auxiliary equipment for automatic vehicle license plate recognition, which is based on the equipment of digital camera equipment and computer information management system and other software and hardware platforms, through the acquisition of vehicle images, the use of advanced image processing, pattern recognition and artificial intelligence technology, in the image to find the location of the license plate, extract the composition of the license plate All character images of the number are used to recognize the characters, letters and numbers in the license plate, and finally the real number of the license plate is give