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Communication Dans Un Congrès Année : 2018

Effect of Virtual Human Gaze Behaviour During an Orthogonal Collision Avoidance Walking Task

Résumé

This paper presents a study performed in virtual reality on the effect of gaze interception during collision avoidance between two walkers. In such a situation, mutual gaze can be considered as a form of nonverbal communication. Additionally, gaze is believed to detail future path intentions and to be part of the nonverbal negotiation to achieve avoidance collaboratively. We considered an avoidance task between a real subject and a virtual human character and studied the influence of the character's gaze direction on the avoidance behaviour of the participant. Virtual reality provided an accurate control of the situation: seventeen participants were immersed in a virtual environment, instructed to navigate across a virtual space using a joystick and to avoid a virtual character that would appear from either side. The character would either gaze or not towards the participant. Further, the character would either perform or not a reciprocal adaptation of its trajectory to avoid a potential collision with the participant. The findings of this paper were that during an orthogonal collision avoidance task, gaze behaviour did not influence the collision avoidance behaviour of the participants. Further, the addition of reciprocal collision avoidance with gaze did not modify the collision behaviour of participants. These results suggest that for the duration of interaction in such a task, body motion cues were sufficient for coordination and regulation. We discuss the possible exploitation of these results to improve the design of virtual characters for populated virtual environments and user interaction.
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Dates et versions

hal-01808850 , version 1 (06-06-2018)

Identifiants

Citer

Sean Lynch, Julien Pettré, Julien Bruneau, Richard Kulpa, Armel Crétual, et al.. Effect of Virtual Human Gaze Behaviour During an Orthogonal Collision Avoidance Walking Task. IEEE VR 2018 - 25th IEEE Conference on Virtual Reality, Mar 2018, Reutlingen, Germany. pp.136-142, ⟨10.1109/VR.2018.8446180⟩. ⟨hal-01808850⟩
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