Harris相关与特征匹配

被引:16
作者
王旭光 [1 ,2 ]
王志衡 [3 ]
吴福朝 [1 ]
机构
[1] 中国科学院自动化研究所模式识别国家重点实验室
[2] 华北电力大学自动化系
[3] 河南理工大学计算机科学与技术系
关键词
特征点描述子; 直线描述子; 曲线描述子; 特征匹配; Harris相关;
D O I
10.16451/j.cnki.issn1003-6059.2009.04.015
中图分类号
TP391.41 [];
学科分类号
080203 ;
摘要
基于图像梯度提出一种图像特征,称为Harris相关.应用Harris相关特征,构造图像特征描述子,包括特征点描述子、直线描述子和曲线描述子.这些描述子的构造较简单,对图像旋转与图像亮度的线性变化具有不变性.直线与曲线描述子的构造方法为直线和曲线的匹配提供一种思路.实验表明,应用Harris相关构造的特征点描述子对图像变化表现出较好性能,直线与曲线描述子在实际图像中取得较好的匹配结果.
引用
收藏
页码:505 / 513
页数:9
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