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基于微分方程的桥梁裂缝检测研究

DOI: 10.3969/j.issn.1674-0696.2014.05.07, PP. 32-36

Keywords: 桥梁工程,桥梁裂缝检测,分数阶微分,sobel算子,纹理细节,bridgeengineering,bridgecrackdetection,fractionaldifferential,sobeloperator,texturedetail

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Abstract:

:？为避免传统人工检测桥梁裂缝耗时、危险、花费高等缺点，将分数阶微分理论和现有的Sobel算子相结合应用于图像边缘检测中，得到了一种基于分数阶微分的桥梁裂缝检测新模型。理论分析和仿真实验结果表明：与现有的边缘检测方法相比，该模型不仅能较好地检测出图像的边缘特征，而且能够检测出图像中更多的纹理细节信息。并且，连接度、错检率和漏检率等客观评价指标说明，它是一种有效的边缘检测方法，能够较好地达到桥梁裂缝检测的目的。

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