Simulation du comportement de suivi dans une foule de piétons à travers l'expérience, l'analyse et la modélisation

Samuel Lemercier 1
1 MIMETIC - Analysis-Synthesis Approach for Virtual Human Simulation
IRISA-D6 - MEDIA ET INTERACTIONS, Inria Rennes – Bretagne Atlantique , UR2 - Université de Rennes 2
Abstract : Realistic crowd simulation is an open and challenging problem due to the high quantity of information that is taken into account by a human to determine his walking trajectory. In this thesis, we aim at modeling and simulating the following interactions between individuals moving in crowds. We propose an approach in three major steps. Firstly, we build up a kinematic database to observe following behaviors during pedestrian groups movement from an original experimental process using motion capture. Acquired data treatment requires to develop a specific reconstruction method of the raw data. The obtained database is our first result. Secondly, we propose a detailed analysis of these data. We highlight both the nature of the local interactions between participants and the global patterns that emerge from the combination of these interactions, in particular, the formation of propagating speed waves. This analysis is our second major result and leads up to our third and last result : a numerical model of following behavior between pedestrians calibrated on our experimental data. Simulation results are evaluated on their capacity to reproduce the macroscopic patterns we have observed and analyzed. We finally show different applications of our model.
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Samuel Lemercier. Simulation du comportement de suivi dans une foule de piétons à travers l'expérience, l'analyse et la modélisation. Modélisation et simulation. Université Rennes 1, 2012. Français. ⟨NNT : 2012REN1S028⟩. ⟨tel-00724072⟩

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