Case Study
The Northgate Incident
An unprovoked shove sent a commuter onto active tracks — a tragic flashpoint in a year that has seen rising platform-side violence across the Link network.
Live · Active in 90+ Municipalities
Track-side risk alerts for open transit platforms.
Use existing camera infrastructure to surface track intrusion, falls, smoke, crowding, and violence-risk events for operator review.
- 0ms
- Edge latency
- 24/7
- Coverage
- 90+
- Governments
Live · 4 cameras
Proximity Alert12:04
Camera 12 · Platform 2
Operator review requiredReview
The Seattle Crisis
Open platforms. Exposed riders.
Seattle's transit system was designed for accessibility, not adversaries. The vulnerabilities are structural — and they cost lives.
Trend
Unprovoked Shoving on the Rise
Sound Transit and Seattle PD report a sharp uptick in random platform assaults. Riders feel exposed standing inches from oncoming trains.
Infrastructure
Why Physical Barriers Fail
Platform Screen Doors cost millions per station and physically can't be retrofitted onto Seattle's low-floor, mixed light-rail platforms. Most systems will never get them.
How it works
From camera feed to operator review.
- STEP 01
Existing camera feed
Connect to approved IP cameras without replacing platform infrastructure.
- STEP 02
Edge event detection
Detect track intrusion, falls, smoke, crowding, and escalation patterns close to the source.
- STEP 03
Operator review
Send prioritized alerts to the control room with camera context and event history.
- STEP 04
Dispatch or log
Escalate to field teams, mark false positives, and retain an auditable event record.
The Digital Shield
One AI sentinel. Four layers of protection.
Capabilities that turn every existing camera into a vigilant, always-on safety partner for your operations team.
Behavioral Shoving Detection
Real-time skeletal trajectory analysis flags aggressive lunges and pre-incident motion patterns before someone hits the tracks.
Module · Online
Medical Emergency Response
Instant alerts for fainting, falls, and prolonged immobility — dispatched the moment a rider goes down.
Module · Online
Threat & Violence Analysis
Detects altercations, weapon postures, and group escalation patterns and routes them to operations in seconds.
Module · Online
Environmental Safety
Continuous fire and smoke detection across platforms, mezzanines, and tunnel approaches.
Module · Online
Helpful Features
Illegal Dumping
Automated detection & evidence capture
Smoke Detection
Early wildfire & smoke alerts
Technical Edge
Engineered for the millisecond.
Every architectural decision reduces the time between event and action.
- 01 · Performance
Zero Latency Edge Processing
Inference runs frame-by-frame at the camera edge. No round-trips, no buffer — alerts fire the moment behavior crosses threshold.
- 02 · Deployment
Infrastructure Agnostic
Deploy in your secure cloud, on-premise behind agency firewalls, or hybrid. Works with existing IP cameras — no rip-and-replace.
- 03 · Reliability
24/7 Continuous Coverage
Always-on monitoring with redundant pipelines and self-healing services — designed for uninterrupted public-safety operations.
Trustworthy
Battle-tested across 90+ Korean local governments.
Ciphermark's vision platform secures critical infrastructure across municipal, rail, and public-safety deployments for video analytics and public safety AI.
90+
Local Governments
24/7
Monitoring
Procurement-ready
Built for public-sector review.
Designed around the controls agencies actually require: human review, privacy posture, deployment topology, and a clean audit trail.
Human-in-the-loop
Alerts are surfaced for operator review before escalation.
Privacy-conscious by design
No facial recognition. Event detection, anonymized views, and configurable data retention.
Edge or on-prem deployment
Support security-sensitive environments where agencies need control over data flow.
Audit-ready events
Log event type, timestamp, camera source, operator action, and resolution status.
Don't wait for the next incident.
See AI Digital Sentinel running on real platform footage. Schedule a 30-minute demo with our public-safety engineering team.