Smart building

How Time-of-Flight technology enables accurate occupancy monitoring without intruding on privacy

footfall monitoring

Counting the number of people in a space is essential for various businesses and organizations to ensure safety, optimize resource usage, and improve customer service.

However, privacy concerns arise when using traditional people counting methods, such as cameras or manual counting, as they may intrude on individuals’ privacy or private data. To address this issue, many businesses have started using Time-of-Flight technology, which is non-camera based and only collects anonymous data.

Non Camera Time Of Flight Anonymous People Counting

What is Time-of-Flight technology?

Time-of-Flight (ToF) is a sensing technique that measures the time taken by light to travel between a sensor and an object. In a people counting application, a ToF sensor emits a beam of light, which bounces off people and returns to the sensor.

By calculating the time taken for the light to travel back and forth, the sensor can determine the distance between itself and the people. By using multiple sensors, the system can also estimate the location and direction of movement of each person.

How does Time-of-Flight technology ensure privacy?

ToF technology is non-intrusive and non-invasive as it does not use cameras or any other device that captures images or sounds. Instead, it only measures the distance between the sensor and people, which is not personally identifiable information. The system does not collect any other data, such as facial features, clothing, or voice, that can identify individuals. Furthermore, the data collected is anonymous and aggregated, meaning that it cannot be traced back to any individual.

Why is camera-based people counting not anonymous?

Camera-based people counting technology captures images or videos of people, which can reveal their identity, facial features, clothing, and personal information. This data can be used to identify individuals or track their movements, which raises privacy concerns. Even if the data is anonymized, it can still be re-identified by cross-referencing it with other data sources or using AI algorithms. Additionally, camera-based systems require higher processing power and storage capacity, which can be costly and raise cybersecurity risks.

In conclusion, Time-of-Flight technology provides a privacy-friendly solution for people counting, as it is non-intrusive, non-invasive, and anonymous. It enables businesses and organizations to collect valuable data while respecting individuals’ privacy and complying with data protection regulations.

Discover Terabee’s secure, accurate people counters

Terabee, who design and manufacture their people counting sensors in the EU, offer the People Counting L-XL LoRa device which uses LoRaWAN, eliminating the need to install Ethernet cables or connect to the main IT system. It is also available in a PoE model. This is a highly accurate solution to gather people counting data at large doors, entrances and indoor gates.

Its smaller sibling, the People Counting M, also available in PoE and LoRa models, is suitable for standard doors and narrow corridors, such as in meeting rooms and waiting areas.

Pc M Lora And Pc L Xl Lora 560 X 317

Contact us to speak to an expert about your people counting challenges and requirements. Get in touch to find out more! 

Related products

Terabee People Flow Counting L-XL

GDPR compliant people counting device. Optimize value and reduce costs from your retail operation, smart building or office space
Using advanced Time-of-Flight technology, Terabee People Flow Counting L-XL is GDPR compliant and provides accurate people counting data (98% accuracy or more) by monitoring the number of people entering and exiting doorways or corridors.

Easy to configure and install on high ceilings, the Terabee People Flow Counting L-XL fits any kind of wide indoor entrance, up to 15 meters in a multi-device setup. Our people counting algorithm is capable of filtering out static objects and counting multiple people passing in both directions below the device as they enter or leave a space.

The solution consists of an IoT people counting device and an optional IoT platform. Two product variations allow transmission of the data via Power over Ethernet or LoRaWAN. Interested? Contact us.

Terabee People Flow Counting M 2.0

Get real-time people counting data for single doorways and narrow corridors
Real-time data is the backbone of our modern, fast-paced world especially when it comes to monitoring space usage, occupancy, energy efficiency, security, building performance or tailored services. The Terabee People Flow Counting M 2.0 device is GDPR compliant by design, with a real-time data capability, providing seamless, accurate, and highly effective footfall measurement, at a competitive price.

Using Time-of-Flight technology, the People Flow Counting M 2.0 solution guarantees anonymity in its operations, prioritizing data privacy protection while offering robust, reliable occupancy monitoring.

People Flow Counting M 2.0 is the perfect addition to your Building Management System. The “smaller sibling” of People Flow Counting L-XL, People Flow Counting M 2.0 is designed for smaller doorways and narrow corridors. It comes in both Power over Ethernet (PoE) and LoRa models to best suit your needs.
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