Efficient circle detection by midpoint circle validation

ZHANG Shuai; CAO Junjie; LIU Xiuping

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Efficient circle detection by midpoint circle validation

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摘要

Circular objects detection in digital images, a vital and recurring problem in image processing and computer vision, has many applications especially aiding vectorization of line drawing images, pupil and iris detection, circular traffic sign detection, and so on. In this paper, we lever Midpoint Circle Algorithm to speed up circle validation with sub-pixel precision. At the same time, we combine the least square method to improve the accuracy of circle detection. Experimental results from tests on synthetic and natural images validate that the proposed technique is efficiency regarding accuracy, speed and robustness.

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《计算机辅助绘图设计与制造（英文版）》 |2012年第3期|71-76|共6页
作者
ZHANG Shuai; CAO Junjie; LIU Xiuping;
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作者单位

School of Mathematical Sciences, Dalian University of Technology, Dalian 116024, China;

School of Mathematical Sciences, Dalian University of Technology, Dalian 116024, China;

School of Mathematical Sciences, Dalian University of Technology, Dalian 116024, China;

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原文格式 PDF
正文语种 chi
中图分类平面解析几何;
关键词
圆检测; 验证; 中点; 圆形物体; 数字图像; 计算机视觉; 亚像素精度; 最小二乘法;

机译：圆检测;验证;中点;圆形物体;数字图像;计算机视觉;亚像素精度;最小二乘法;

Efficient circle detection by midpoint circle validation

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