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Algorithm for detecting seam cracks in steel plates using a Gabor filter combination method

机译:Gabor滤波组合法检测钢板接缝裂纹的算法

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摘要

Presently, product inspection based on vision systems is an important part of the steel-manufacturing industry. In this work, we focus on the detection of seam cracks in the edge region of steel plates. Seam cracks are generated in the vertical direction, and their width range is 0.2-0.6 mm. Moreover, the gray values of seam cracks are only 20-30 gray levels lower than those of the neighboring surface. Owing to these characteristics, we propose a new algorithm for detecting seam cracks using a Gabor filter combination method. To enhance the performance, we extracted features of seam cracks and employed a support vector machine classifier. The experimental results show that the proposed algorithm is suitable for detecting seam cracks.
机译:当前,基于视觉系统的产品检查是钢铁制造业的重要组成部分。在这项工作中,我们专注于检测钢板边缘区域的接缝裂纹。接缝裂缝是在垂直方向上产生的,其宽度范围为0.2-0.6 mm。此外,接缝裂缝的灰度值仅比相邻表面的灰度值低20-30灰度级。由于这些特性,我们提出了一种使用Gabor滤波器组合方法检测接缝裂纹的新算法。为了提高性能,我们提取了接缝裂缝特征并采用了支持向量机分类器。实验结果表明,该算法适用于检测缝隙裂缝。

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