Group Modeling: A Unified Velocity-Based Approach

Z Ren 1 Panayiotis Charalambous 2 Julien Bruneau 2 Qunsheng Peng 1 Julien Pettré 2
2 Lagadic - Visual servoing in robotics, computer vision, and augmented reality
CRISAM - Inria Sophia Antipolis - Méditerranée , Inria Rennes – Bretagne Atlantique , IRISA-D5 - SIGNAUX ET IMAGES NUMÉRIQUES, ROBOTIQUE
Abstract : Crowd simulators are commonly used to populate movie or game scenes in the entertainment industry. Even though it is crucial to consider the presence of groups for the believability of a virtual crowd, most crowd simulations only take into account individual characters or a limited set of group behaviors. We introduce a unified solution that allows for simulations of crowds that have diverse group properties such as social groups, marches, tourists and guides, etc. We extend the Velocity Obstacle approach for agent based crowd simulations by introducing Velocity Connection; the set of velocities that keep agents moving together whilst avoiding collisions and achieving goals. We demonstrate our approach to be robust, controllable, and able to cover a large set of group behaviors.
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Z Ren, Panayiotis Charalambous, Julien Bruneau, Qunsheng Peng, Julien Pettré. Group Modeling: A Unified Velocity-Based Approach. Computer Graphics Forum, Wiley, 2017, 36 (8), pp.45-56. ⟨10.1111/cgf.12993⟩. ⟨hal-01372766⟩

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