基于Hough变换的圆检测方法  

Circle detection using Hough transform

作　　者：朱桂英[1] 张瑞林[1] 

机构地区：[1]浙江理工大学信息电子学院,浙江杭州310018

出　　处：《计算机工程与设计》2008年第6期1462-1464,共3页Computer Engineering and Design

摘　　要：总结了圆检测的几种常用方法,如经典HT、随机HT和广义HT。结合几种方法的优缺点,提出了一种基于经典HT的改进Hough变换圆检测方法。该方法先对图像进行预处理,如灰度化、去噪滤波、边缘检测以及运用数学形态学等,然后进行Hough变换。其主要思想是用多维数组来代替经典的循环过程。把Hough变换应用到织物防水性能自动测试的真实图像中,通过对经典Hough变换与改进后的Hough变换的比较,可以看出检测速度有所提高,检测精度也达到了令人满意的程度。Some methods of circle detection are summarized,for example classical Hough transforms,randomized Hough transforms,generalized Hough transform.And an improved Hough transform of circle detection is proposed based on the shorts and strongpoint.First this method is to preprocess the image,such as gray,filtering,edge detection and morphs and so on,then the Hough is transformed.Its main idea is to replace the circulation with multidimensional array.This method is applied in the detection of fabric waterproof chara-cter.By comparing the classical HT and improving method,the improved Hough transform increase the performance of circle detection,and the precision of detection is satisfied.

关 键 词：圆检测 经典Hough变换 随机HOUGH变换 广义HOUGH变换 改进HOUGH变换 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]