Distance Estimation in Large Immersive Projection Systems, Revisited

Gerd Bruder 1 Ferran Argelaguet Sanz 2 Anne-Hélène Olivier 3 Anatole Lécuyer 2
2 Hybrid - 3D interaction with virtual environments using body and mind
Inria Rennes – Bretagne Atlantique , IRISA-D6 - MEDIA ET INTERACTIONS
3 MIMETIC - Analysis-Synthesis Approach for Virtual Human Simulation
UR2 - Université de Rennes 2, Inria Rennes – Bretagne Atlantique , IRISA-D6 - MEDIA ET INTERACTIONS
Abstract : When walking within an immersive projection environment, accommodation distance, parallax and angular resolution vary according to the distance between the user and the projection walls which can influence spatial perception. As CAVE-like virtual environments get bigger, accurate spatial perception within the projection setup becomes increasingly important for application domains that require the user to be able to naturally explore a virtual environment by moving through the physical interaction space. In this paper we describe an experiment which analyzes how distance estimation is biased when the distance to the screen and parallax vary. The experiment was conducted in a large immersive projection setup with up to ten meter interaction space. The results showed that both the screen distance and parallax have a strong asymmetric effect on distance judgments. We found an increased distance underestimation for positive parallax conditions. In contrast , we found less distance overestimation for negative and zero parallax conditions. We conclude the paper discussing the results with view on future large immersive projection environments.
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Communication dans un congrès
Proceedings of IEEE Virtual Reality Conference, Mar 2015, Arles, France
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Gerd Bruder, Ferran Argelaguet Sanz, Anne-Hélène Olivier, Anatole Lécuyer. Distance Estimation in Large Immersive Projection Systems, Revisited. Proceedings of IEEE Virtual Reality Conference, Mar 2015, Arles, France. <hal-01149964>

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