Image Processing for On-Line Detection of Welding Process (Report III) : Improvement of Image Quality by Incorporation of Spectrum of Arc
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It is possible to improve the visual information, which is obtained from the arc welding process, by incorporation of wave-length spectrum. In this paper, the spectrum of welding arc and molten pool is measured with a grating monochrometer. This measurement indicates that CO_2 arc, Ar arc and molten pool have their peculiar spectrum respectively. The images of the arc welding process are improved and the configuration of the molten pool is relatively emphasized by selecting the image pickup device and the optical filter on the basis of the characteristics of the spectrum.
- 大阪大学の論文
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