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一种基于模糊规则的手写体粘连数字串分割

DOI: 10.11834/jig.20091116

Keywords: 主曲线,模糊特征,数字串分割,笔画组合

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Abstract:

手写数字串切分是手写数字OCR系统中必不可少的组成部分。实际应用中一般用框格对数字的书写范围进行约束,切分过程比较容易,如果没有框格约束,手写数字串的切分就成为一个难题。针对无约束的手写数字串切分的难点,提出了一种新的粘连数字串切分方法。该方法先使用主曲线实现字符模板的笔画抽取,然后依据字符笔画的模糊特征处理笔画,最后以字符识别器提供的置信度为依据完成切分过程。为验证该新切分方法的效果,对从银行实地采集的3000份真实支票进行了切分实验,其中363张支票存在粘连现象,切分正确率为89.68%。实验结果表明,该算法能够有效地切分多字粘连的手写体数字串。

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