Perceived realism of pedestrian crowds trajectories in VR
summary
Study compares real-world traces (280 pedestrians) to cheap, collision-free rectilinear constant-speed trajectories rendered with motion-captured locomotion and initialized by real entry/exit times and Monte Carlo sampled speeds. Remote study (153 participants) and a VR test on Oculus Quest measure perceived realism and immersion. Results show no statistical difference between real and synthetic trajectories and no immersion loss, so low-cost trajectory generation reproduces realism for high-density crosswalk scenes.
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