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Measurement Based AR for Geometric Validation within Automotive Engineering and Construction Processes

: Shahid, Muhammad Ali; Jesche, Benjamin-Paul; Olbrich, Manuel; Graf, Holger; Franek, Andreas; Kuijper, Arjan; Bockholt, Ulrich; Schmitt, Michael


Chen, Jessie Y.C. (Ed.):
Virtual, Augmented and Mixed Reality. Industrial and Everyday Life Applications. Proceedings. Pt.II : 12th International Conference, VAMR 2020, Held as Part of the 22nd HCI International Conference, HCII 2020, Copenhagen, Denmark, July 19-24, 2020
Cham: Springer Nature, 2020 (Lecture Notes in Computer Science 12191)
ISBN: 978-3-030-49697-5 (Print)
ISBN: 978-3-030-49698-2 (Online)
International Conference on Virtual, Augmented and Mixed Reality (VAMR) <12, 2020, Online>
International Conference on Human-Computer Interaction (HCI International) <22, 2020, Online>
Fraunhofer IGD ()
Lead Topic: Digitized Work; Lead Topic: Visual Computing as a Service; Research Line: Computer graphics (CG); Research Line: Computer vision (CV); Research Line: Human computer interaction (HCI); Research Line: (Interactive) simulation (SIM); Augmented reality (AR)

We look at the final stages of the automobile design process, during which the geometric validation process for a design, in particular for the vehicle front end, is examined. A concept is presented showing how this process can be improved using augmented reality. Since the application poses high accuracy requirements the augmented reality also needs to be highly accurate and of measurable quality. We present a Measurement Based AR approach to overlaying 3D information onto images, which extends the existing process and is particularly suited to the application in question. We also discuss how the accuracy of this new approach can be validated using computer vision methods employed under the appropriate conditions. The results of an initial study are presented, where the overlay accuracy is expressed in image pixels as well as millimeters followed by a discussion on how this validation can be improved to meet the requirements posed by the application.