Utilizing CityGML for AR-Labeling and Occlusion in Urban Spaces

Patrick Postert (), Markus Berger () and Ralf Bill ()
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Patrick Postert: University of Rostock
Markus Berger: University of Rostock
Ralf Bill: University of Rostock

A chapter in Advances and New Trends in Environmental Informatics, 2021, pp 209-223 from Springer

Abstract: Abstract Cities are one of the most pertinent application spaces for current Augmented Reality systems but have proven to be technically challenging. They are abundant with information, while also requiring occlusion of that same information at different levels of depth. With more and more detailed 3D city models becoming available through the CityGML standard, we introduce an approach that can display contextual multimedia annotations on buildings in AR and properly occlude them without depending on complex computer vision analysis. Our approach also integrates directly with CityGML through an Application Domain Extension (ADE). We implement a prototype that allows for the dynamic textual labeling of urban environments on a variety of AR-capable smartphones using the Unity game engine.

Keywords: Augmented reality; CityGML; ADE; Annotations; Label placement; Occlusion; Unity; ARCore; ARKit (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1007/978-3-030-61969-5_15

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