Influence of Connecting Two Standalone Mobile Three-Dimensional Scanners on Accuracy Comparing with a Standard Device in Facial Scanning
Ali Modabber, Florian Peters, Anna Brokmeier, Evgeny Goloborodko, Alireza Ghassemi, Bernd Lethaus, Frank Hölzle, Stephan Christian Möhlhenrich, Name Surname · Journal of Oral and Maxillofacial Research · 2016
Objectives: In this study is investigated if bundling of two scanners leads to better accuracy in recording faces than a standard face-scanning device. Material and Methods:In a group of 28 volunteers, two test specimens were attached to their faces: one on their forehead and one turned 90° on their cheek.Each volunteer was scanned by FaceScan3D ® and two bundled Artec EVA ® scanners.The scans were aligned to a three-dimensional model of the test specimen, and the mean error was recorded.Length, width and angles between the test specimen's planes were compared.Results: The mean deviation is significantly lower for the cheek test specimen in alignment (P 0.05) using FaceScan3D ® .The aberration from the original angle between two sides of the test specimen is significantly lower measured with Artec EVA ® for the angle between the front and the bottom plane of both test specimens (P 0.05) scanned with Artec EVA ® .Conclusions: Compared to FaceScan3D ® , two bundled Artec EVA ® scanners provide different accuracies depending on the location of the measured parameters.The accuracy measured for both scanners is inside the range found in the literature.