Image-based reality-capturing and 3D modelling for the creation of VR cycling simulations

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Wahbeh, Wissam
Ammann, Manuela
Nebiker, Stephan
van Eggermond, Michael
Erath, Alexander
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Copernicus
Abstract
With this paper, we present a novel approach for efficiently creating reality-based, high-fidelity urban 3D models for interactive VR cycling simulations. The foundation of these 3D models is accurately georeferenced street-level imagery, which can be captured using vehicle-based or portable mapping platforms. Depending on the desired type of urban model, the street-level imagery is either used for semi-automatically texturing an existing city model or for automatically creating textured 3D meshes from multi-view reconstructions using commercial off-the-shelf software. The resulting textured urban 3D model is then integrated with a real-time traffic simulation solution to create a VR framework based on the Unity game engine. Subsequently, the resulting urban scenes and different planning scenarios can be explored on a physical cycling simulator using a VR helmet or viewed as a 360-degree or conventional video. In addition, the VR environment can be used for augmented reality applications, e.g., mobile augmented reality maps. We apply this framework to a case study in the city of Berne to illustrate design variants of new cycling infrastructure at a major traffic junction to collect feedback from practitioners about the potential for practical applications in planning processes.
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Mobile Mapping, Biking Simulation, Urban Mobility, Virtual Reality, 3D Modelling, Urban Scene Reconstruction
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Wahbeh, W., Ammann, M., Nebiker, S., van Eggermond, M., & Erath, A. (2021). Image-based reality-capturing and 3D modelling for the creation of VR cycling simulations. In W. Wahbeh (Ed.), ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences: Vol. V-4-2021 (pp. 225–232). Copernicus. https://doi.org/10.5194/isprs-annals-V-4-2021-225-2021
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