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基于双相扫描检测的路面三维裂缝识别方法

, PP. 26-32

Keywords: 道路工程,裂缝识别,双相扫描,路面三维数据,区域生长

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Abstract:

?为了识别路面的三维裂缝,根据路面病害的特征提取与检测要求,针对路面三维裂缝数据的特点,结合数字图像处理滤波技术,提出了一种基于平均值法曲线拟合的双相扫描检测路面裂缝识别方法.识别过程中先采用双相标准差均值滤波算法与基于组合结构元素的级联形态学滤波算法相结合的方法对数据点进行去噪处理,再通过基于平均值法曲线拟合的双相扫描检测方法对裂缝进行识别;即对路面三维数据矩阵分别进行水平单相和垂直单相扫描检测得到2幅裂缝图像,然后对这2幅裂缝图像进行叠加处理,再进行区域生长,便可得到双相扫描检测识别的裂缝图像.研究结果表明:采用双相扫描检测方法,可以很好地识别裂缝;采用准确率曲线对该算法进行评估,得出该算法性能稳定且准确率高;该算法对路面养护管理决策的制定和路表三维形态的重构起到了重要的指导作用.

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