PRECISION AND ACCURACY PARAMETERS IN STRUCTURED LIGHT 3-D SCANNING

PRECISION AND ACCURACY PARAMETERS IN STRUCTURED LIGHT 3-D SCANNING

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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 callaway jaws gap wedge 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, grace in la cactus jeans 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.