车牌识别系统中的字符分割技术研究

车牌字符分割是车牌识别系统的三大关键技术之一。准确的字符分割,既能提高字符识别的准确率,又能提高识别的速度。针对车牌图像背景复杂、光照多变、干扰较多的情况,文章在车牌区域预处理的基础上提出了一种基于先验知识的垂直投影字符分割方法。实验结果表明该算法简洁、实时性好、处理正确率高,达到了实用的标准。

Research of Characters Segmentation Technology in VLPRS

License plate character segmentation is one of the three key technologies of Vehicle License Plate Recognition System(VLPRS).A good method or algorithm,which segment characters accurately ,can improve the accuracy of character recognition and make the identi-fication very fast.Vehicle license plate recognition have such characteristics as complex background,changeable lighting and a variety of in-terference.In view of this situation,the article proposes a method of vertical projection character segmentation,which is based on prioriknowledge. The experimental results show that the algorithm,which achieves a good standard of practical,has lots of advantages such assimple and clean,better real-time features and high-accuracy of processing.