Visible to the public An Evaluation of Information Connection in Augmented Reality for 3D Scenes with Occlusion

TitleAn Evaluation of Information Connection in Augmented Reality for 3D Scenes with Occlusion
Publication TypeConference Paper
Year of Publication2016
AuthorsDauenhauer, Ralf, Müller, Tobias
Conference Name2016 IEEE International Symposium on Mixed and Augmented Reality (ISMAR-Adjunct)
Date PublishedSept. 2016
PublisherIEEE
ISBN Number978-1-5090-3740-7
Keywords3D scenes, anchors, augmented reality, Color, Context, data visualisation, encoding, Engines, Human Behavior, industrial augmented reality applications, information connection evaluation, Information systems, maintenance engineering, occlusion, partial occlusion connection lines, perception, privacy, proximity, pubcrawl, resilience, Scalability, security requirements, spatial overlays, Three-dimensional displays, virtual information display, visual interruptions, visualization
AbstractMost augmented reality applications connect virtual information to anchors, i.e. physical places or objects, by using spatial overlays or proximity. However, for industrial use cases this is not always feasible because specific parts must remain fully visible in order to meet work or security requirements. In these situations virtual information must be displayed at alternative positions while connections to anchors must still be clearly recognizable. In our previous research we were the first to show that for simple scenes connection lines are most suitable for this. To extend these results to more complex environments, we conducted an experiment on the effects of visual interruptions in connection lines and incorrect occlusion. Completion time and subjective mental effort for search tasks were used as measures. Our findings confirm that also in 3D scenes with partial occlusion connection lines are preferable to connect virtual information with anchors if an assignment via overlay or close proximity is not feasible. The results further imply that neither incorrectly used depth cues nor missing parts of connection lines make a significant difference concerning completion time or subjective mental effort. For designers of industrial augmented reality applications this means that they can choose either visualization based on their needs.
URLhttps://ieeexplore.ieee.org/document/7836504
DOI10.1109/ISMAR-Adjunct.2016.0083
Citation Keydauenhauer_evaluation_2016