Modeling Individual Behaviors in Crowd Simulation
CASA '03 Proceedings of the 16th International Conference on Computer Animation and Social Agents (CASA 2003)
Casting curved shadows on curved surfaces
SIGGRAPH '78 Proceedings of the 5th annual conference on Computer graphics and interactive techniques
ACM SIGGRAPH 2006 Papers
Controlling individual agents in high-density crowd simulation
SCA '07 Proceedings of the 2007 ACM SIGGRAPH/Eurographics symposium on Computer animation
Graphical Models
Crowd Simulation
Realistic Interactive Pedestrian Simulation and Visualization for Virtual 3D Environments
VSMM '09 Proceedings of the 2009 15th International Conference on Virtual Systems and Multimedia
Creating a richer data source for 3D pedestrian flow simulations in public transport
Proceedings of the 7th International Conference on Methods and Techniques in Behavioral Research
Interactive person path analysis in reconstructed public buildings
Proceedings of the 25th Spring Conference on Computer Graphics
Real-Time Shadows
A survey of visibility for walkthrough applications
IEEE Transactions on Visualization and Computer Graphics
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We present a system to evaluate and improve visual guidance systems and signage for pedestrians inside large buildings. Given a 3D model of an actual building we perform agent-based simulations mimicking the decision making process and navigation patterns of pedestrians trying to find their way to predefined locations. Our main contribution is to enable agents to base their decisions on realistic threedimensional visibility and occlusion cues computed from the actual building geometry with added semantic annotations (e.g. meaning of signs, or purpose of inventory), as well as an interactive visualization of simulated movement trajectories and accompanying visibility data tied to the underlying 3D model. This enables users of the system to quickly pinpoint and solve problems within the simulation by watching, exploring and understanding emergent behavior inside the building. This insight gained from introspection can in turn inform planning and thus improve the effectiveness of guidance systems.