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  4. Long Term Real Trajectory Reuse Through Region Goal Satisfaction
 
conference paper

Long Term Real Trajectory Reuse Through Region Goal Satisfaction

Ahn, Junghyun  
•
Gobron, Stéphane
•
Silvestre, Quentin
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Allbeck, Jan M.
•
Faloutsos, Petros
2011
Proceedings of the 4th International Conference on Motion in Games
International Conference on Motion in Games (MIG)

This paper is motivated by the objective of improving the realism of real-time simulated crowds by reducing short term collision avoidance through long term anticipation of pedestrian trajectories. For this aim, we choose to reuse outdoor pedestrian trajectories obtained with non-invasive means. This initial step is achieved by analyzing the recordings of multiple synchronized video cameras. In a second o-line stage, we t as long as possible trajectory segments within predefined paths made of a succession of region goals. The concept of region goal is exploited to enforce the principle of "sufficient satisfaction": it allows the pedestrians to relax the prescribed trajectory to the traversal of successive region goals. However, even if a fitted trajectory is modified due to collision avoidance, we are still able to make long-term trajectory anticipation and distribute the collision avoidance shift over a long distance.

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