In this article, some new algorithms and methods are introduced in such stages as preprocessing of images, classification of characteristics and character recognition and vehicle style recognition.

• 车型及车辆牌照自动识别系统是近几年发展起来的基于图像和字符识别技术的智能化交通管理系统，是目前国内外模式识别应用研究领域的一个热点。