Overhead 3D People Counters

Overhead 3D People Counter Sensor (Bi-Directional) with AI

The ceiling mounted 3D sensor captures the scene below using stereo vision. The two wide-angle lenses perceive the scene from different perspectives (left and right images). The sensor calculates this optical disparity for every pixel of the image. This results in a precise depth map or 3D image of the whole scene. It is calculated up to thirty times per second in real time.

The 3D stereo vision technology is highly robust in all kinds of challenging influences, such as shadows, light changes, glares and heat emissions.

The sensor can be installed in ceiling heights between 2.2m and 6m, and incorporates Power over Ethernet (PoE) which combines data connectivity and power supply in one cable. WiFi and 4G/5G modem options are also available.

Up to 99 counting lines and dwell zones can be configured with the easy-to-use web application. For counting large areas and entrances up to nine sensors can be networked together using the multi-sensor wizard.

Additional mounting kits can be purchased including flush mounted housing, surface mounted housing and adjustable angle pivot mounting. An outdoor model is also available with IP65 cabling and cabling.

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People Counting Analytics

The Overhead 3D People Counter sensor provides the following analytics:

• In/Out counting across multiple count lines and zones (up to 99)
• Occupancy
• Count zone to only count if a person passed through the entire zone rather than a simple counting line
• Dwell time to only count people that stay in the zone indicated or longer than the specified period
• Adult/children counting based on height range (separate counts based on min/max heights)

The 3D people can be extended with the following optional plugins, which require specific mounting heights and lighting conditions:

• Gender statistics (estimated)
• Staff exclusion which excludes staff wearing specific badges from the count
• View direction
• Face mask detection

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Cloud Delivered EvolvePlus Dashboard

The cloud delivered EvolvePlus Dashboard allows users to analyse data in both Chart and Report formats by hour, day, week, month.

This valuable information reveals peak traffic periods to determine optimal operating hours and staffing requirements, as well as assisting with calculating peak visitor times and sales conversion ratios. It is optimised to handle multiple locations and scalable so that additional sensors can be added at any time.

Also available is the Occupancy / People Inside web app which calculates the current occupancy and displays the total number of people in the venue at any one time. The live count total (with a prominent large occupancy number) is displayed on a range of output displays including large monitors and tablets.

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Privacy for Overhead 3D Counters

Privacy, security and compliance with GDPR privacy are paramount in delivering our People Counter cloud solution to our customers.

Unlike camera-based security systems, which stream video to a separate computer for processing, all image processing and AI to determine people counts are performed on the local Overhead 3D sensor itself and not transmitted to another device/computer.

The Overhead 3D sensor can be supplied by EvolvePlus with the following privacy mode configuration when Administrators connect to the device across the local network including:

• No image information is shown at all. The scene background is just displayed as a white area. Tracking is shown without restrictions.
• No image information and no tracking information is shown. Only the counting values are updated.

In addition, the people counter statistical data is securely transmitted to the EvolvePlus Cloud platform via HTTPS using the Transport Layer Security (TLS) encryption protocol to encrypt communications. The data securely transmitted is anonymised - it is statistical people count information that does not include personal information such as name, address, phone number etc. A separate database is created for each customer rather than being held in a shared multi-tenanted database.