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Communication Dans Un Congrès Année : 2003

Intuitive Crowd Behaviour in Dense Urban Environments using Local Laws

Résumé

In games, entertainment, medical and architectural applications , the creation of populated virtual city environments has recently become widespread. In this paper we want to provide a technique that allows the simulation of up to 10,000 pedestrians walking in real-time. Simulation for such environments is difficult as a trade off needs to be found between realism and real-time simulation. This paper presents a pedestrian crowd simulation method aiming at improving the local and global reactions of the pedestrians. The method uses a subdivision of space into a 2D grid for pedestrian-to-pedestrian collision avoidance, while assigning goals to pedestrians to make their trajectories smoother and coherent. Goals are computed automatically and connected into a graph that reflects the structure of the city and triggers a spatial repartition of the density of pedestrians. In order to create realistic reactions when areas become crowded, local directions are stored and updated in real-time, allowing the apparition of pedestrians streams. Combining the different methods contributes to a more realistic model, while keeping a real-time frame rate for up to 10,000 simulated pedestrians.
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Dates et versions

hal-01498407 , version 1 (30-03-2017)

Identifiants

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Celine Loscos, David Marchal, Alexandre Meyer. Intuitive Crowd Behaviour in Dense Urban Environments using Local Laws. Theory and Practice of Computer Graphics, 2003, Birmingham United Kingdom. ⟨10.1109/TPCG.2003.1206939⟩. ⟨hal-01498407⟩

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