In the process of feature character comparison , some methods for characte r comparison are presented which are chamfer matching , the texture feature of gray matrix and texture analysis using wigner distribution 在特征字的特征提取過(guò)程中,對(duì)字符的形狀特征,運(yùn)用距離變換匹配的方法;對(duì)字符的紋理特征,采用基于游程矩陣的分析方法和wigner分布的分析方法。