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Uses IoT in fight against spread of coronavirus (COVID-19)



Coronavirus, officially named by the World Health Organization (WHO) on 11th Feb 2020 as COVID-19, is a novel (new) respiratory disease first detected in Wuhan City, China. As a result of the outbreak, not only has Wuhan City been on lockdown but many public places such as schools and banks across the region have also seen temporary close downs. Most public events have been cancelled and Macau’s government even took the unprecedented step of shutting down casinos for a 15-day period starting 5th Feb 2020 – the longest ever shutdown of casinos since 1999.

Even with these measures, new infection cases are being reported every day, so it comes as no surprise that both officials and the general population have become extremely aware of public hygiene to avoid infection and curb the spread of the disease.

Body temperature measurement has become commonplace in the region when entering public places such as offices, hospitals, shopping centers, educational campuses, airports and other transport hubs. It is expected that this practice will continue for some time and although a necessary procedure, it is labour intensive and rather invasive. This is where companies such as Guardforce Macau are stepping in to help by utilizing the latest technology in the fight against the spread of COVID-19.

Utilizing IoT in the fight against the spread of COVID-19

Guardforce Macau has always been at the forefront of IoT-based security systems and is now using the technology to safeguard public health. Security systems in Macau have already been taking advantage of integrating facial recognition with CCTV to ensure public safety, and now Guardforce is able to use the same systems in the fight against the spread of COVID-19.

Under the company’s principle, “using technology to secure lives and properties”, this new effective solution to preventing the spread of infectious diseases is named the Guardforce Fever-Guard. It allows CCTV systems in Macau already integrated with a facial recognition system to be quickly and easily adapted to also measure body temperatures of people passing by in large spaces without the need for stopping subjects or potentially exposing medical workers to infection.

By simply installing a thermal imaging lens onto the CCTV camera, the facial recognition system can identify and detect body temperatures of mass groups of people. If a subject with an abnormal body temperature is identified, an alert will appear on-screen and could be sent to the relevant personnel if needed. This alert can be instant via an alarm or via a mobile device message.  With the person identified and recognized, the system could also keep track of the body temperatures taken. 

Benefits of using thermal imaging CCTV and facial recognition to detect body temperatures

As with security systems in Macau which integrate CCTV with facial recognition to keep the public and property safe, the benefits of using the same technology to detect body temperature are numerous.

  • First, thermal imaging CCTV systems with facial recognition require no manpower to operate. The system is automated and relevant staff are only alerted if the pre-defined parameters are met.
  • Secondly, and very importantly when dealing with infectious diseases, the system is contactless, meaning that front-line staff are not put at unnecessary exposure risk checking the temperatures of large numbers of people.
  • It is non-intrusive so members of the public can move freely with no need to stop for their temperature to be measured – vital for the smooth operation of transport hubs in particular.
  • The system can detect the body temperature of mass groups of people (up to 8 subjects at a time), across a wide space and over a long distance all at the same time, ensuring no one is missed and with an accuracy of +/- 0.3°C. This is especially useful in densely packed Asian cities. This is especially useful in densely packed Asian cities.
  • Finally, it is simple to install and operate with a user-friendly interface.

Learn more about how Guardforce Fever-Guard can help fight against the spread of COVID-19 and other infectious diseases

Being the first and leading security company and innovator in Macau, Guardforce Macau is proud to introduce this new solution, Guardforce Fever-Guard, on top of the other traditional security products it offers such as cash-in-transit, cash processing, security guarding, electronic security, and much more. To learn more about Fever-Guard or any of Guardforce Macau’s other services, contact us here.


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