4.7 Article

Augmented Reality for Subsurface Utility Engineering, Revisited

Journal

Publisher

IEEE COMPUTER SOC
DOI: 10.1109/TVCG.2021.3106479

Keywords

Data visualization; Three-dimensional displays; Location awareness; Excavation; Global Positioning System; Daylighting; Surface reconstruction; Augmented Reality; Infrastructure; Computer Graphics; Localization

Funding

  1. FFG [859208]

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The research revisited the field of subsurface utility engineering, presented new methods to tackle unresolved issues, and demonstrated new technologies to solve outdoor localization problems and improve outdoor data visualization.
Civil engineering is a primary domain for new augmented reality technologies. In this work, the area of subsurface utility engineering is revisited, and new methods tackling well-known, yet unsolved problems are presented. We describe our solution to the outdoor localization problem, which is deemed one of the most critical issues in outdoor augmented reality, proposing a novel, lightweight hardware platform to generate highly accurate position and orientation estimates in a global context. Furthermore, we present new approaches to drastically improve realism of outdoor data visualizations. First, a novel method to replace physical spray markings by indistinguishable virtual counterparts is described. Second, the visualization of 3D reconstructions of real excavations is presented, fusing seamlessly with the view onto the real environment. We demonstrate the power of these new methods on a set of different outdoor scenarios.

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