Marker-less Real Time 3D Modeling for Virtual Reality

Jérémie Allard 1 Edmond Boyer 2 Jean-Sébastien Franco 2 Clément Ménier 1, 2 Bruno Raffin 1
1 MOAIS - PrograMming and scheduling design fOr Applications in Interactive Simulation
ID-IMAG - Informatique et Distribution, Inria Grenoble - Rhône-Alpes, UJF - Université Joseph Fourier - Grenoble 1
2 MOVI - Modeling, localization, recognition and interpretation in computer vision
GRAVIR - IMAG - Graphisme, Vision et Robotique, Inria Grenoble - Rhône-Alpes, CNRS - Centre National de la Recherche Scientifique : FR71
Abstract : Today, immersive environments mainly use a few 3D positions given by trackers to align the real and virtual worlds. In this paper we present an alternative approach using commodity components to achieve real time marker-less 3D modeling in virtual reality environments. The goal is to compute in real time a 3D shape of the objects and users present in the interaction space without having to equip them with markers. Having full 3D shapes opens new possibilities for full-body interactions and a tight virtual/real world integration. Data acquisition is performed through cameras surrounding the interaction space. A visual hull reconstruction algorithm is parallelized on a PC cluster to compute in real time the 3D shapes of the scene observed. Experimental results using 4 cameras and 20 processors lead to a precise 3D human model built in real time.
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Jérémie Allard, Edmond Boyer, Jean-Sébastien Franco, Clément Ménier, Bruno Raffin. Marker-less Real Time 3D Modeling for Virtual Reality. Immersive Projection Technology, May 2004, Ames, United States. ⟨inria-00349066⟩

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