What do traffic intersection cameras capture?

[DiKylie]

Traffic light intersection cameras are used to capture red-light running violations. Here is relevant information: 1. Pressure sensing: Electronic eyes use induction loops to detect pressure from vehicles on the road surface, transmitting signals via sensors to the central processor which temporarily stores them in registers. 2. Pulse signals: If two pulse signals are generated simultaneously within the same time interval (red light cycle), it is deemed "valid". 3. Preventing false captures: The photo system delays activation by 2 seconds when the yellow light is on; it activates immediately when the red light turns on; and shuts down 2 seconds before the green light appears, primarily to prevent false captures.