Abstract
Welding spatter seriously affects the surface quality of the product. Aiming at the automatic detection problem of spatter on welding plate surface, an in-situ detection algorithm of welding spatter based on machine vision is designed. In the extraction process of the welding spatter, the two-dimensional Fourier transform is adopted to obtain the frequency and phase information of image, and the elliptical high-pass filter is introduced to filter the low-frequency signal. The experimental results show that the proposed algorithm has higher extraction rate and extraction accuracy rate of welding spatter than the threshold method, the rectangular high-pass filter and the Canny operator, and it has the characteristics of high efficiency, high precision, and good robustness.
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This work has been supported by the National Natural Science Foundation of China (No.51175304), and the Natural Science Foundation of Shandong Province (No.ZR2017MEE052).
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Xia, Xm., Jiang, Zl. & Xu, Pf. A detection algorithm of spatter on welding plate surface based on machine vision. Optoelectron. Lett. 15, 52–56 (2019). https://doi.org/10.1007/s11801-019-8104-7
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DOI: https://doi.org/10.1007/s11801-019-8104-7