How It Works

Camera → classifier → policy → PTC → alerts, on one screen.

Scripted alert pipeline with RF-DETR evidence

One pedestrian on the mainline — camera to locomotive in seconds. Illustrative mock — SIMULATED, not model output; the Demo tab runs the real pipeline with measured latencies.

1/5

Camera event

ingest 38ms

SIMULATED

RF evidence

classify 412ms

Pedestrian · confidence 0.94 (illustrative)

RF-DETR Large edge model · vision verification runs on-device — no cloud round-trip on the stop decision.

5 classes · fail-safe toward stopping

Policy

policy 6ms

Zone policy: Detect

1.8 mi < 6 mi alert distance

STOP ALERT

PTC stop

PTC ack 1.2s

Zero-speed stop target → SMG gateway → locomotive

I-ETMS RED FENCE

Alerts & ACK

notify 850ms

Email → AdminEmail → OperationsSMS → AdminSMS → Operations

Visual only — no live transport in this explainer.