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Comparison of calibration strategies for optical 3D scanners based on structured light projection using a new evaluation methodology

机译:使用新的评估方法比较基于结构化光投影的光学3D扫描仪的校准策略

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In this paper a new evaluation strategy for optical 3D scanners based on structured light projection is introduced. It can be used for the characterization of the expected measurement accuracy. Compared to the procedure proposed in the VDI/VDE guidelines for optical 3D measurement systems based on area scanning it requires less effort and provides more impartiality. The methodology is suitable for the evaluation of sets of calibration parameters, which mainly determine the quality of the measurement result. It was applied to several calibrations of a mobile stereo camera based optical 3D scanner. The performed calibrations followed different strategies regarding calibration bodies and arrangement of the observed scene. The results obtained by the different calibration strategies are discussed and suggestions concerning future work on this area are given.
机译:本文介绍了一种基于结构化光投影的光学3D扫描仪评估新策略。它可用于表征预期的测量精度。与VDI / VDE指南中针对基于区域扫描的光学3D测量系统中建议的过程相比,该方法所需的精力更少,并且提供了更多的公正性。该方法适用于评估一组校准参数,这些校准参数主要决定了测量结果的质量。它已应用于基于移动立体相机的光学3D扫描仪的多次校准。进行的校准遵循有关校准主体和观察场景安排的不同策略。讨论了通过不同校准策略获得的结果,并提出了有关该领域未来工作的建议。

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