Fall and man-down detection

Nara detects when a person falls or stays lying down for longer than a set time, and sends an urgent alert with the location and an image. It helps protect lone workers, elderly residents, hotel guests and people in public spaces.

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The same camera view before detection — A person lying on the grass detected by Nara. Move the lens to compare the raw camera view with what Nara detects.

A person lying on the grass detected by Nara. Move the lens to compare the raw camera view with what Nara detects.

[ 01 ]The problem

A person who has collapsed or fallen, especially when alone, may not be found quickly.

01inputCamera over the area
02processFall detection (pose action model) and lying-down detection held for longer than a set time
03actionUrgent alert with the location and an image

How it works

Nara estimates each person’s body pose and runs a fall-recognition model on it. A timer confirms that the person is still lying down after a set time, which filters out people who get straight back up. The alert goes out with the camera location and an image.

Works with Nara’s built-in models. You set up the zones, rules and outputs.

What you need

Cameras covering the area
A PC, server or NVIDIA Jetson running Nara

Nara building blocks

Camera nodes
People detection
Pose estimation
Action recognition (fall)
Timers
Notifications
Database table
AI model: Pose estimation
AI model: Action and behaviour recognition
AI model: People detection

What it improves

Response time
Lone-worker safety
Incident records

FAQ

Questions, answered.

Does it identify people?

No. Fall detection works from body pose, not from faces.

Does any video leave the site?

No. Nara processes video on your own hardware. Data is sent elsewhere only if you build a flow that sends it, for example an alert to your own MQTT broker.

Nara dashboard showing people detected inside a danger zone

Danger zone monitoring

People enter robot cells, crane zones or machine areas while the equipment is running.

Workers checked for helmets and vests by Nara

camera

PPE detection

PPE rules (helmets, vests, masks, hairnets, gloves, coats) are hard to enforce at all times in every area.

Nara monitoring four warehouse cameras with smart alarms

Intrusion detection

Sites need to know straight away when people or vehicles enter closed areas after hours, without a guard watching every screen.

Talk to us about fall detection.

Tell us about your site, cameras and machines, and we’ll show you how it runs on your own hardware, or download Nara and try it yourself.

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