109 research outputs found
Precision and Accuracy Parameters in Structured Light 3-D Scanning
Structured light systems are popular in part because they can be constructed from off-the-shelf low cost components. In this paper we
quantitatively show how common design parameters affect precision and accuracy in such systems, supplying a much needed guide for
practitioners. Our quantitative measure is the established VDI/VDE 2634 (Part 2) guideline using precision made calibration artifacts.
Experiments are performed on our own structured light setup, consisting of two cameras and a projector. We place our focus on
the influence of calibration design parameters, the calibration procedure and encoding strategy and present our findings. Finally, we
compare our setup to a state of the art metrology grade commercial scanner. Our results show that comparable, and in some cases
better, results can be obtained using the parameter settings determined in this study
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