| 一种新的快速Hough变换圆检测方法 |
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| 引用本文： | 黄永林,叶玉堂,陈镇龙,乔闹生.一种新的快速Hough变换圆检测方法[J].电子测量与仪器学报,2010,24(9):837-841. |
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| 作者姓名： | 黄永林 叶玉堂 陈镇龙 乔闹生 |
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| 作者单位： | 1. 电子科技大学光电信息学院,成都,610054
2. 电子科技大学光电信息学院,成都,610054;湖南文理学院物理与电子科学学院,常德,415000 |
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| 基金项目： | 国家重点实验室基金，总装基金，粤港重点领域突破项目，湖南省科技计划项目 |
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| 摘 要： | Hough变换圆检测(HTCD)存在计算量大和占用内存空间大的缺点,严重影响了该方法的计算效率。提出了一种新的快速Hough变换圆检测(FHTCD)的新方法。首先通过下采样,得到缩小的图像;进行Hough变换圆检测,得到粗尺度的检测结果。将结果恢复到原始尺度,在其放宽的误差范围内建立新的参量空间;再次进行Hough变换,可以得到圆检测精确值。新的方法通过压缩和适度控制参量空间,大大减少了冗余信息带来的计算量,提高了检测效率。实验证明,新的方法计算所需的时间最多不到HTCD方法的1/15;在强抗干扰条件下,其检测速度优于随机圆检测方法,有较好的检测精度,能满足实时处理的要求。
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| 关 键 词： | Hough变换 随机Hough变换 随机采样 圆检测 参量空间 |
New method of fast Hough transform for circle detection |
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| Huang Yonglin,Ye Yutang,Chen Zhenlong,Qiao Naosheng.New method of fast Hough transform for circle detection[J].Journal of Electronic Measurement and Instrument,2010,24(9):837-841. |
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| Authors: | Huang Yonglin Ye Yutang Chen Zhenlong Qiao Naosheng |
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| Affiliation: | Huang Yonglin1 Ye Yutang1 Chen Zhenlong1 Qiao Naosheng1,2(1.Opto-electric Information School of University of Electronic Science and Technology,Chendu 610054,China,2.Department of Physics and Electronics,Hunan University of Arts and Science,Changde 415000,China) |
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| Abstract: | Hough transform circle detection(HTCD)needs amount of calculation and take up a large amount ofmemory.In order to solve these problems,a new method of fast Hough transform circle detection(FHTCD)is proposed.A reduced image can be obtained by down-sampling firstly.HTCD is used to get coarse scale results with the reducedimage;Restoring those results to original scale and establish a new parameter space in their relaxed error range;Accurate value of circle detection can be obtained through HTCD again.The para... |
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| Keywords: | Hough transformation randomized Hough transformation randomized sampling circle detection Parameter space |
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