According to the characteristics of tabular bills,an improved bill image pre-classification algorithm based on line matching is proposed in this paper.
针对表格型票据的特点,提出了一种基于框线匹配的票据图像预分类方法,首先按照票据框线的拓扑结构建立可靠的模板库,再自动提取票据图像的框线特征,将由框线组成的版面特征与模板库中的票据模板进行匹配,并通过相似性计算来确定票据的种类。
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