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Use of automatic image processing for monitoring of welding processes and weld inspection : Eckelt, B.; Meyendorf, N.; Morgner, W.; Richter, U. Proceedings of the 12th World Conference on Non-Destructive Testing, Amsterdam (Netherlands) 23–28 Apr. 1989, Vol. 1, pp. 37–41. Edited by J. Boogaard and G.M. van Dijk, Elsevier, 1989


Publisher
Elsevier Science
Year
1990
Weight
170 KB
Volume
23
Category
Article
ISSN
0308-9126

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experimental results are demonstrated for the submerged arc welding process. In this process the welding pool is covered by a thick layer of welding flux and is therefore optically invisible. By using computer data on the grey levels of the weld images and their histogram distributions, the three-di