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Interaction between real and virtual humans during walking: perceptual evaluation of a simple device

Anne-Hélène Olivier 1 Jan Ondrej 1 Julien Pettré 1 Richard Kulpa 2 Armel Cretual 2 
1 BUNRAKU - Perception, decision and action of real and virtual humans in virtual environments and impact on real environments
IRISA - Institut de Recherche en Informatique et Systèmes Aléatoires, ENS Cachan - École normale supérieure - Cachan, Inria Rennes – Bretagne Atlantique
Abstract : Validating that a real user can correctly perceive the motion of a virtual human is first required to enable realistic interactions between real and virtual humans during navigation tasks through virtual reality equipment. In this paper we focus on collision avoidance tasks. Previous works stated that real humans are able to accurately estimate others' motion and to avoid collisions with anticipation. Our main contribution is to propose a perceptual evaluation of a simple virtual reality system. The goal is to assess whether real humans are also able to accurately estimate a virtual human motion before collision avoidance. Results show that, even through a simple system, users are able to correctly evaluate the situation of an interaction on the qualitative point of view. Especially, in comparison with real interactions, users accurately decide whether they should give way to the virtual human or not. However, on the quantitative point of view, it is not easy for users to determine whether they will collide with virtual humans or not. On one hand, deciding to give way or not is a two-choice problem. On the other hand, detecting future collision requires to determine whether some visual variables belong some interval or not. We discuss this problem in terms of bearing angle.
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Submitted on : Friday, November 26, 2010 - 5:09:13 PM
Last modification on : Thursday, March 31, 2022 - 3:40:42 AM
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Anne-Hélène Olivier, Jan Ondrej, Julien Pettré, Richard Kulpa, Armel Cretual. Interaction between real and virtual humans during walking: perceptual evaluation of a simple device. 7th Symposium on Applied Perception in Graphics and Visualization, Jul 2010, Los Angeles, United States. pp.117-124, ⟨10.1145/1836248.1836271⟩. ⟨inria-00539584⟩



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