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基于对称性的最小二乘拟合随机椭圆检测算法
引用本文:吕洪赫,姚振杰,易卫东. 基于对称性的最小二乘拟合随机椭圆检测算法[J]. 电子测量技术, 2011, 34(5): 37-41
作者姓名:吕洪赫  姚振杰  易卫东
作者单位:中国科学院研究生院研究生院;
基金项目:“十一五”国家科技支撑计划重点项目(No.2006BAJ18B06); 中国科学院知识创新工程重要方向项目(No.KGCX2-YW-110-5)、中国科学院百人计划(No.99M2008M02)
摘    要:提出了1种基于椭圆对称性和最小二乘拟合的椭圆检测算法.首先,通过CANNY算子获取边缘点;其次,改进采样方法,利用椭圆的对称性和旋转不变性,对边缘点进行采样,有效避免了传统算法大量无效采样;最后,利用分布均匀的两对采样点,使用最小二乘拟合的方法对椭圆进行检测.实验表明,该算法有效地解决内存和运算量较大等问题.利用椭圆的...

关 键 词:椭圆检测  对称性  旋转不变性  最小二乘拟合

Randomly least square fitting elliptic detection algorithm based on symmetry
Lv Honghe,Yao Zhenjie,Yi Weidong. Randomly least square fitting elliptic detection algorithm based on symmetry[J]. Electronic Measurement Technology, 2011, 34(5): 37-41
Authors:Lv Honghe  Yao Zhenjie  Yi Weidong
Affiliation:Lv Honghe Yao Zhenjie Yi Weidong(Graduate University of Chinese Academy of Sciences,Beijing 100049)
Abstract:A elliptic detection algorithm based on elliptic symmetry,and least squares fitting is proposed in this paper.First of all,use CANNY operator obtain edge point;Secondly,improve sampling point method which based on symmetry characteristic and rotational invariant features of ellipse,effectively avoid useless sample;Finally,use the uniform distributed sample points and least squares fitting method detect ellipse.Experiments show that this algorithm can effectively solve the memory problem complicated computat...
Keywords:ellipse detection  symmetry characteristic  rotational invariant  least square fitting  
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