%0 Journal Article %T A Method for Handwritten Chinese Stroke Extraction Based on Ambiguous-zone Detection
基于模糊区域检测的手写汉字笔画提取方法 %A CAO Zhong-sheng %A SU Zhe-wen %A WANG Yuan-zhen %A XIONG Peng %A
曹忠升 %A 苏哲文 %A 王元珍 %A 熊鹏 %J 中国图象图形学报 %D 2009 %I %X To effectively identify and interpret ambiguous zones in handwritten Chinese image,a new method for handwritten stroke extraction based on ambiguous-zone detection is proposed.In the method,a candidate set of fork points are extracted using a thinning algorithm,and the ambiguous zones are detected according to the fork points and the contour beside them.Then,the sub-strokes and ambiguous zones can be modeled with a graph,and a Bayesian classifier is built to analyze the continuity of sub-stroke pairs.Finally,sequences of sub-stroke are achieved by searching paths in the graph,and thinned strokes can be retrieved by B-spline interpolation.Experimental results show that the proposed method is effective and accurate for both ambiguous-zone detection and stroke extraction compared to other methods and reduce the shape distortions in ambiguous zones to an acceptable level. %K stroke extraction %K ambiguous zone %K thinning algorithm %K writing sequence
笔画提取 %K 模糊区域 %K 细化算法 %K 书写序列 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=D06194629680C940ACE75262F54B9D85&aid=9F4CE19704434DEAB9BD49C91950A3EC&yid=DE12191FBD62783C&vid=F3583C8E78166B9E&iid=708DD6B15D2464E8&sid=D0293DFC566BF929&eid=4EAACFFC5E13724F&journal_id=1006-8961&journal_name=中国图象图形学报&referenced_num=0&reference_num=16