An Effective Method for Defects Detection in Radiographic Images of Welds Based on Edge Detection and Morphology

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In the current industrial production, as steel weld X-ray images are low contrasted and noisy, the efficiency and precision can’t be both ensured. This paper has studied three different edge detection algorithms and found the most suitable one to detect weld defects. Combined with this edge detection algorithm, we proposed a new weld defects detection method. This method uses defect features to find the defects in edge images with morphological processing. Compared to the traditional methods, the method has ensured detection quality of weld defects detection.

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71-77

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February 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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