FROM PHOTOGRAMMETRIC RECONSTRUCTION TO IMMERSIVE VR ENVIRONMENT - CNRS - Centre national de la recherche scientifique
Conference Papers Year : 2021

FROM PHOTOGRAMMETRIC RECONSTRUCTION TO IMMERSIVE VR ENVIRONMENT

Maxime Lhuillier

Abstract

There are several steps to generate a VR environment from images: choose experimental conditions (scene, camera, trajectory, weather), take the images, reconstruct a textured 3D model thanks to a photogrammetry software, and import the 3D model into a game engine. This paper focuses on a postprocessing of the photogrammetry step, mostly for outdoor environments that cannot be reconstructed by UAV. Since VR needs a 3D model in a good coordinate system (with a right scale and an axis that is vertical), a simple method is proposed to compute this. In the experiments, we first reconstruct both urban and natural immersive environments by using a helmet-held Gopro Max 360 camera, then import into Unity the 3D models in good coordinate systems, last explore the scenes like a pedestrian thanks to an Oculus Quest.
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Dates and versions

hal-03707569 , version 1 (28-06-2022)

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Maxime Lhuillier. FROM PHOTOGRAMMETRIC RECONSTRUCTION TO IMMERSIVE VR ENVIRONMENT. 2021 International Conference on 3D Immersion (IC3D), Dec 2021, Brussels, France. pp.1-8, ⟨10.1109/IC3D53758.2021.9687232⟩. ⟨hal-03707569⟩
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