Pixuate
Traffic & Road Safety Analytics

ANPR - Standard FreeFlow

ANPR FreeFlow reads number plates from moving vehicles without requiring them to stop. It connects to a 2MP IP camera installed at the lane — 30FPS for vehicle speeds up to 58 km/h, or 60FPS for speeds up to 80 km/h. Suited for highway entry points, campus roads, and high-throughput vehicle monitoring. Deployed on a Pixuate edge device at the site.

Key Features

Discover the powerful capabilities that make ANPR - Standard FreeFlow stand out

Free-flow plate recognition — no vehicle stop required

Supports vehicle speeds up to 80 km/h

2MP 30FPS IP camera for vehicle speeds up to 58 km/h

2MP 60FPS IP camera (higher shutter speed) for speeds up to 80 km/h

Lane-wise vehicle event logging

Real-time plate read with timestamp and image crop

Integration with access control and traffic management systems

Technical Specifications

Detailed technical information about ANPR - Standard FreeFlow

Camera:2MP IP CCTV (RTSP) — 30FPS (≤58 km/h) or 60FPS (≤80 km/h)
Max vehicle speed:80 km/h
Deployment:Edge device (Jetson TX2 / Jetson Orin)
Output:Plate number, lane ID, timestamp, confidence score, image crop

Prerequisites & Limitations

What ANPR - Standard FreeFlow needs to run reliably, and the operating limits to plan for.

Prerequisites

  • Camera: 2MP+ IP/RTSP aimed along the lane for moving vehicles. Capture speed is camera-dependent — up to ~80 km/h with a standard IP camera; a global-shutter camera for higher speeds
  • Adequate scene illumination — pair with an IR illuminator for night plate capture
  • Stable bandwidth between camera and edge/server — roughly 4–8 Mbps per 2MP H.264/H.265 stream
  • One camera per lane, mounted for an unobstructed, low-angle plate view
  • Stable power and network at the roadside or gantry

Operating Limits

Factor Edge Server
Incident / event capture rate≤ ~5 events per second≤ ~20 events per second
Concurrent camera streams per node1–4 streams (Jetson TX2 / Orin)8–16+ streams
Minimum plate character height in frame≥ ~20 px≥ ~20 px
Event-to-alert latency< ~1 s on-deviceDepends on network round-trip

Indicative figures — actual limits depend on hardware, scene, and configuration.

Deployment Models

ANPR - Standard FreeFlow is available in 1 deployment model. Choose the option that fits your infrastructure.

Related Knowledge Base

Learn about the hardware and infrastructure components used in a ANPR - Standard FreeFlow deployment.

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