Abstract
The light knife plane is modeled as a one dimensional camera, line structured light probe calibration methods have been proposed. By extracting the center line of the structural light bar, this method calculates the position of the light rod on the target, and then fits the plane at least two positions according to the three-dimensional point of the center of the light band, and finally constructs the virtual camera to represent the light knife plane. Iterative camera calibration and line structured light probe calibration is completed. Then triangulation is used to obtain 3D point cloud data in stereo vision model. In the experiment, two gauge blocks with high difference were measured. The average error between calculated distance and standard distance is 1.41517 mm, which proves that the calibration method of line structured light probe has high accuracy.
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Acknowledgement
This research was partially supported by the key research project of Ministry of science and technology (Grant No. 2017YFB1301503) and the National Nature Science Foundation of China (Grant No. 51575332).
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Zhan, Q., Zhang, X. (2019). One Dimensional Camera of Line Structured Light Probe Calibration. In: Wang, K., Wang, Y., Strandhagen, J., Yu, T. (eds) Advanced Manufacturing and Automation VIII. IWAMA 2018. Lecture Notes in Electrical Engineering, vol 484. Springer, Singapore. https://doi.org/10.1007/978-981-13-2375-1_38
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DOI: https://doi.org/10.1007/978-981-13-2375-1_38
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