Pixuate
Perimeter & Security Analytics

Crowd Detection

Detects and monitors crowd formation and density in public spaces, transit hubs, and venues from overhead or elevated IP cameras. Estimates crowd density and headcount in real time and triggers graduated alerts when crowd levels approach or exceed safe capacity — before situations escalate.

Key Features

Discover the powerful capabilities that make Crowd Detection stand out

Real-time crowd density estimation from IP cameras

Headcount approximation per defined zone

Graduated capacity alerts — warning then critical as limits are approached

Configurable density and occupancy threshold per zone

Zone-based monitoring with independent capacity limits

Crowd growth-rate detection — early warning before threshold breach

Heatmap visualisation of crowd density over time

Integration with PA systems, digital signage, and access control

Occupancy trend data for capacity planning

Edge deployment for on-site, low-latency processing

Technical Specifications

Detailed technical information about Crowd Detection

Camera:2MP+ IP CCTV (RTSP), overhead or elevated mount
Deployment:Edge device or on-premises server
Output:Crowd density level, headcount estimate, capacity status, alert level, zone ID, timestamp

Prerequisites & Limitations

What Crowd Detection needs to run reliably, and the operating limits to plan for.

Prerequisites

  • Camera: 2MP+ IP/RTSP, overhead or elevated, covering the crowd area — height and angle affect density-estimation accuracy
  • Adequate illumination — pair with an IR illuminator for night monitoring
  • Stable bandwidth between camera and edge/server — roughly 4–8 Mbps per 2MP H.264/H.265 stream
  • Elevated/overhead mounting for an unobstructed wide view of the crowd
  • Stable power and network at the deployment point

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 person/object size in frame≥ ~40 px height≥ ~40 px height
Event-to-alert latency< ~1 s on-deviceDepends on network round-trip

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

Related Knowledge Base

Learn about the hardware and infrastructure components used in a Crowd Detection deployment.

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