基于二阶梯度图的Canny检测边缘修补方法

被引:9
作者
李学勇
路长厚
李国平
机构
[1] 山东大学机械工程学院
关键词
Canny边缘检测; 二阶梯度图; 边缘修补;
D O I
10.16136/j.joel.2007.03.032
中图分类号
TP391.41 [];
学科分类号
080203 ;
摘要
针对工业标牌压印凹凸字符与背景间没有色差造成的二值化效果不理想,本文采用Canny检测器提取凹凸字符的边缘,为修补产生的边缘断裂提出了基于二阶梯度图的边缘修补方法,采用边缘跟踪技术成功地实现了对Canny检测缺失边缘的修补,从而使字符边缘变得完整。实验表明,采用该方法,取得了非常理想的效果。
引用
收藏
页码:377 / 380
页数:4
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