Contributions to Proceedings:
S. Seer, C. Rudloff, T. Matyus, N. Brändle:
"Validating Social Force Based Models with Comprehensive Real World Motion Data";
in: "The Conference on Pedestrian and Evacuation Dynamics 2014 (PED 2014)",
W. Daamen, D. Duives, S. Hoogendorn (ed.);
Over the last years multiple variations of the Social Force model have been proposed. While most of the available force-based
models are calibrated on observed human movement data, validation for investigating the model characteristics, e.g. variance in
parameter values, is still sparse. We present a novel methodology for validating Social Force based models which investigates the reproducibility of human movement behavior on the individual trajectory level with real-world movement data. Our approach
estimates model parameter values and their distribution with non-linear regression on observed trajectory data, where the resulting
variances of the parameter values represent the modelīs validity. We demonstrate our approach on a comprehensive (235 pedestrians)
and highly accurate (within a few centimeters) set of human movement trajectories obtained from real-world pedestrian traffic with bidirectional flow using an automatic people tracking approach based on Kinect sensors. We validate the Social Force model of Helbing and Molnīar (1995), Helbing and Johansson (2009) and Rudloff et al. (2011).
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