Breathing Room
Demonstration venue · Station Road and Entrance E1
t = 0:00 agent

Camera E1 · entrance

Entrance camera with the pushing index overlaid on the floor

Recorded entrance footage (Forschungszentrum Jülich, CC BY 4.0) processed live with OpenCV 5: lens undistortion, head detection, DIS optical flow, head-plane homography and Helbing's crowd pressure. Brighter means more pushing. Green line: where the outflow is measured.

Station Road · venue twin

calmtightcrowded

Zone C density (people per m²). Solid: measured. Dashed: what the approved action is predicted to do.

For the steward

No action needed. The assistant investigates any zone that reaches WARN.

What the assistant checked