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本文就焊缝自动跟踪中的一个关键问题——图像的去噪处理问题进行了深入的研究，提出了使用ＬＯＧ滤波器和图像分割滤波器相结合共同处理焊缝图像的新方法．该方法处理效果好，图像处理时间不足０．８ｓ，很有可能用于焊缝跟踪的图形实时处理工作．
In this paper, a key issue in automatic tracking of welding seam - the image denoising processing problem is deeply studied. A new method of using LOG filter and image segmentation filter to jointly process the weld image is proposed. The method has good processing effect and the image processing time is less than 0.8s, which is very likely to be used for the graphic real-time processing of the seam tracking.