Two-line structure light-based online welding seam forming visual detection method
A line-structured light and visual detection technology, applied in the field of computer vision, can solve problems such as roughness evaluation and affecting the accuracy of welding quality evaluation, and achieve the effect of improving calibration accuracy and 3D reconstruction accuracy
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[0034] Example 1:
[0035] As attached figure 1 As shown, the on-line weld forming visual inspection method based on dual-line structured light of the present invention includes a motherboard 1, a welding gun 2, a laser 3, a laser beam splitter 4, and a CCD camera 5; the laser 3 is placed perpendicular to the welding motherboard 1 , The laser beam splitter 4 is placed in close contact with the laser 3, and two parallel laser lines are generated by the laser beam splitter 4, which are irradiated on the welding mother board 1, respectively located at the front and rear positions of the welding gun 2. The CCD camera 5 selects a suitable angle, Ensure that two parallel laser lines can be observed. Basis attached figure 1 The device for visual inspection of online forming welds includes the following steps:
[0036] Step 1: Choose checkerboard as the calibration board, choose high exposure time and low exposure time two modes, take the same calibration image, shoot the line structured ...
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