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A detection algorithm of spatter on welding plate sur-face based on machine vision

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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 fre-quency and phase information of image, and the elliptical high-pass filter is introduced to filter the low-frequency sig-nal. 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.

广告组1.2 - 空间光调制器+DMD
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DOI:10.1007/s11801-019-8104-7

基金项目: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).

收稿日期:2018-06-20

修改稿日期:2018-08-16

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作者单位    点击查看

XIA Xin-miao:School of Mechanical Engineering, Shandong University, Jinan 250061, China
JIANG Zhao-liang:School of Mechanical Engineering, Shandong University, Jinan 250061, ChinaKey Laboratory of High Efficiency and Clean Machine Manufacturing, Ministry of Education, Shandong University, Jinan 250061, China
XU Peng-fei:School of Mechanical Engineering, Shandong University, Jinan 250061, China

联系人作者:JIANG Zhao-liang(jiangzhaoliang@sdu.edu.cn)

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引用该论文

XIA Xin-miao,JIANG Zhao-liang,XU Peng-fei. A detection algorithm of spatter on welding plate sur-face based on machine vision[J]. 光电子快报(英文版), 2019, 15(1): 52-56

XIA Xin-miao,JIANG Zhao-liang,XU Peng-fei. A detection algorithm of spatter on welding plate sur-face based on machine vision[J]. Optoelectronics Letters, 2019, 15(1): 52-56

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