Abstract
Aiming at the motion mechanism calibration of a 2DOF linear structured light three-dimensional (3D) measurement system, a significant method is proposed in this article. Firstly, the physical model of the measurement system is given. Secondly, the calibration model is deduced and a calibration method based on high-low ball is presented. In order to compensate mechanical errors existing in the system, an iterative data correction algorithm is put forward. The experimental results shown that the accuracy of the measurement system can be greatly improved by this algorithm. Keywordslinear structured light measurement; motion mechanism calibration; iterative data correction; 3D point cloud
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