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高压电器  2014 

基于改进的Canny算子的憎水性图像分割方法的研究

, PP. 97-101

Keywords: 绝缘子,憎水性分级,自适应直方图均衡,改进的Canny算子,数学形态学

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Abstract:

绝缘子表面憎水性检测是判断绝缘子性能的主要手段,对于电力系统的安全运行有着重要的意义。传统的分割算法分割效果不理想,从而影响憎水性分级的准确性。为此提出了基于改进的Canny算子的憎水性图像分割方法。考虑到绝缘子背景的复杂性,首先,利用自适应直方图均衡对图像进行增强,然后利用改进的Canny算子提取图像中水珠(或水迹)的边缘,最后利用数学形态学中的区域填充、膨胀、腐蚀、移除对象等操作对图像进行处理。实验结果表明该方法能够对憎水性图像进行有效地分割,为后续绝缘子性能的判定提供依据。

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