| 一种自适应的Canny边缘检测算法* |
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| 引用本文： | 薛丽霞,李涛,王佐成b.一种自适应的Canny边缘检测算法*[J].计算机应用研究,2010,27(9):3588-3590. |
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| 作者姓名： | 薛丽霞 李涛 王佐成b |
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| 作者单位： | 1. 重庆邮电大学计算机科学与技术学院,重庆,400065
2. 重庆邮电大学软件学院,重庆,400065 |
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| 基金项目： | 重庆市教育委员会基金资助项目（KJ080521）；重庆邮电大学博士科研基金资助项目（A2008-14） |
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| 摘 要： | 针对传统的Canny算子进行边缘检测时易丢失边缘细节的缺陷，提出了一种改进的Canny边缘检测算法。该算法采用自适应的滤波器对图像进行滤波，在滤除图像噪声的同时保留了更多的图像边缘信息；根据图像的灰度均值与方差均值自动计算Canny算子的高低阈值。实验结果表明，该算法在检测到更多边缘细节的同时也具有很强的自适应性。
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| 关 键 词： | 边缘检测 Canny算子 自适应 均值 方差 |
Adaptive Canny edge detection algorithm |
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| XUE Li-xia,LI Tao,WANG Zuo-chengb.Adaptive Canny edge detection algorithm[J].Application Research of Computers,2010,27(9):3588-3590. |
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| Authors: | XUE Li-xia LI Tao WANG Zuo-chengb |
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| Affiliation: | (a. College of Computer Science & Technology, b. College of Software, Chongqing University of Posts & Telecommunications, Chongqing 400065, China) |
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| Abstract: | The traditional Canny edge detection algorithm exists the defect losing details of the edge, so this paper proposed an improved Canny edge detection algorithm. The algorithm used adaptive filter to eliminate the noise. It calculated preserving the more edge information while filtering the noise, the thresholds of Canny algorithm automatically according to the mean of variance and gray-scale. The results demonstrate that the method not only can detect more detail of the edge, but also can have a strong self-adaptability. |
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| Keywords: | edge detection Canny operator adaptive mean variance |
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