一种新的货运列车车号定位方法

摘要

Freight train license location is the key step in the train license identification,and has important significance in railway freight logistics management.In order to meet the complex outdoor environment of freight train license,firstly,image was enhanced,then binarized.Secondly,in order to get the train license candidate regions,morphological processing and connected domain filtering were used and horizontal projection and connected domain analysis were used to find train license general location of various pieces.Lastly,scanning line was used to accurately locate each part of the train license.The experimental results are robust to different models,and positioning accuracy is more than 97％.It basically meets the need of the practical application.%货运列车车号定位是车号识别的关键步骤,在铁路货运物流管理方面有重要意义.为了适应室外复杂环境下的货运列车车号定位,对图像进行了图像增强处理,进行了二值化.对二值图进行形态学处理和连通域滤波,获得车号候选区域,利用水平投影法和连通域分析定位各块车号的大致位置,采用扫描线精确定位每部分车号.实验结果表明,对于不同的车型是鲁棒的,并且定位的准确率达到97％以上,基本满足了实际应用的需要.