Collision Avoidance With Multiple Walkers: Sequential or Simultaneous Interactions?

Laurentius Antonius Meerhoff 1 Julien Pettré 2 Sean Dean Lynch 1, 3 Armel Crétual 1, 3 Anne-Hélène Olivier 3, 1
1 MIMETIC - Analysis-Synthesis Approach for Virtual Human Simulation
UR2 - Université de Rennes 2, Inria Rennes – Bretagne Atlantique , IRISA_D6 - MEDIA ET INTERACTIONS
2 RAINBOW - Sensor-based and interactive robotics
Inria Rennes – Bretagne Atlantique , IRISA_D5 - SIGNAUX ET IMAGES NUMÉRIQUES, ROBOTIQUE
Abstract : Collision avoidance between multiple walkers, such as pedestrians in a crowd, is based on a reciprocal coupling between the walkers with a continuous loop between perception and action. Such interpersonal coordination has previously been studied in the case of dyadic locomotor interactions. However, when walking through a crowd of people, collision avoidance is not restricted to dyadic interactions. We examined how dyadic avoidance (1 vs. 1) compared to triadic avoidance (1 vs. 2). Additionally, we examined how the dynamics of a passable gap between two walkers affected locomotor interactions. To this end, we manipulated the starting formation of two walkers that formed a potentially pass-able gap for the other walker. We analyzed the interactions in terms of the evolution over time of the Minimal Predicted Distance and the Dynamics of the Gap, which both provide information about what action is afforded (i.e., passing in front/behind and the pass-ability of the gap). Results showed that some triadic interactions invited for sequential interactions, resulting in avoidance strategies comparable with dyadic interactions. However, some formations resulted in simultaneous interactions where the dynamics of the pass-ability of the gap revealed that the coordination strategy emerged over time through the bi-directional interactions between all walkers. Future work should address which circumstances invite for simultaneous and which for sequential interactions between multiple walkers. This study contributed toward understanding how collision is avoided between multiple walkers at the level of the local interactions.
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Article dans une revue
Frontiers in Psychology, Frontiers, 2018, 9, pp.1-14. 〈10.3389/fpsyg.2018.02354〉
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https://hal.inria.fr/hal-01940111
Contributeur : Anne-Hélène Olivier <>
Soumis le : mardi 4 décembre 2018 - 16:30:34
Dernière modification le : mercredi 5 décembre 2018 - 08:52:37

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Laurentius Antonius Meerhoff, Julien Pettré, Sean Dean Lynch, Armel Crétual, Anne-Hélène Olivier. Collision Avoidance With Multiple Walkers: Sequential or Simultaneous Interactions?. Frontiers in Psychology, Frontiers, 2018, 9, pp.1-14. 〈10.3389/fpsyg.2018.02354〉. 〈hal-01940111〉

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