Corona
Virus and role of facial and thermal recognition at Airports, events,
gatherings and public places
Coronaviruses (COV)
are a large family of viruses that causes illness ranging from the
common cold
to more severe diseases such as Middle East Respiratory Syndrome (MERS-CoV) and
Severe Acute Respiratory Syndrome (SARS-CoV). Coronavirus disease (COVID-19)
is a new disease that has been discovered recently in 2019 and has not been
previously identified in humans. Till now, no treatment is found to fight
against this disease.
According to World
Health Organization (WHO), Common signs of infection include respiratory symptoms,
fever, cough, shortness of breath and breathing difficulties. In more severe
cases, an infection can cause pneumonia, severe acute respiratory syndrome, kidney
failure and even death.
common cold to more severe diseases such as Middle East Respiratory Syndrome (MERS-CoV) and Severe Acute Respiratory Syndrome (SARS-CoV). Coronavirus disease (COVID-19) is a new disease that has been discovered recently in 2019 and has not been previously identified in humans. Till now, no treatment is found to fight against this disease.
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Facial
recognition system:
A facial recognition system
is a technology capable of identifying or verifying a person from a digital
image or a video frame from a video source.
Zhengzhou is
the first city in China to set up facial recognition gates at all of its
underground stations. Facial recognition cameras are now being used alongside
infrared temperature scanners to help contain the spread of the Coronavirus.
The high-tech cameras allow authorities to track and access a citizen’s travel
history. There are now an estimated 350 million surveillance cameras in China.
Thermal
recognition:
This system has the
ability to perform facial recognition using images from thermal cameras which
enhanced the surveillance, such as by automatically detecting when a person of
interest is nearby and sending an alert to operators.
Facial
recognition system:
A facial recognition system
is a technology capable of identifying or verifying a person from a digital
image or a video frame from a video source.
Zhengzhou is
the first city in China to set up facial recognition gates at all of its
underground stations. Facial recognition cameras are now being used alongside
infrared temperature scanners to help contain the spread of the Coronavirus.
The high-tech cameras allow authorities to track and access a citizen’s travel
history. There are now an estimated 350 million surveillance cameras in China.
Thermal
recognition:
This system has the
ability to perform facial recognition using images from thermal cameras which
enhanced the surveillance, such as by automatically detecting when a person of
interest is nearby and sending an alert to operators.
What are Infrared Sensors?
How
these scanners work?
All live objects
emit infrared energy or heat. Unlike the regular cameras that record light
reflected by the objects, thermal cameras use heat sensors that can record heat
generated by the body of a person to create a 2D image with different
temperature levels. These cameras can be calibrated to detect abnormal body
temperatures such as over 101 degrees. This isn’t the first time thermal
scanning is being used to screen higher body temperature related to infections
that can cause an epidemic.
Thermal scanners
can scan large crowds and spot people with higher temperatures than the rest.
Once authorities identify possible vectors, they can segregate them for further
screening. So, this is the reason that they are being used in airports, events,
gatherings, and public places.
How
effective are thermal scanners?
Thermal cameras are
effective only up to the point of telling who has a higher temperature than
the rest. It may not mean the person is infected with Coronavirus. Additional
screening systems are required for that. Studying thermal images is not
everyone’s cup of tea. It requires training and understanding of thermal colors
and their patterns. As far as their effect on the human body is concerned,
these cameras as safe and discreet. There is no proven risk of any form of
radiation.
How
these scanners work?
All live objects
emit infrared energy or heat. Unlike the regular cameras that record light
reflected by the objects, thermal cameras use heat sensors that can record heat
generated by the body of a person to create a 2D image with different
temperature levels. These cameras can be calibrated to detect abnormal body
temperatures such as over 101 degrees. This isn’t the first time thermal
scanning is being used to screen higher body temperature related to infections
that can cause an epidemic.
Thermal scanners
can scan large crowds and spot people with higher temperatures than the rest.
Once authorities identify possible vectors, they can segregate them for further
screening. So, this is the reason that they are being used in airports, events,
gatherings, and public places.
How
effective are thermal scanners?
Thermal cameras are
effective only up to the point of telling who has a higher temperature than
the rest. It may not mean the person is infected with Coronavirus. Additional
screening systems are required for that. Studying thermal images is not
everyone’s cup of tea. It requires training and understanding of thermal colors
and their patterns. As far as their effect on the human body is concerned,
these cameras as safe and discreet. There is no proven risk of any form of
radiation.
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