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Human sensing

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Technologies to detect a human presence

Human sensing (also called human detection or human presence detection) encompasses a range of technologies for detecting the presence of a human body in an area of space, typically without the intentional participation of the detected person. Common applications include search and rescue, surveillance, and customer analytics (for example, people counters).

Modern technologies proposed or deployed for human sensing include:

Examples

In 1997 CAPTCHA ("Completely Automated Public Turing test to tell Computers and Humans Apart") was invented. A test is presented to detect that a computer is being used by a human operator, preventing access to a protected resource by programs such as spam robots.

Various commercial heartbeat detection systems employ a set of vibration or seismic sensors to detect the presence of a person inside a vehicle or container by sensing vibrations caused by the human heartbeat.

Another commercial product uses infrared light to detect the level of carbon dioxide in an enclosed space, from which it infers the presence of humans or other living creatures.

In September 2013, the United States Department of Homeland Security's Science and Technology Directorate demonstrated a prototype of the FINDER radar technology device, which it developed in conjunction with NASA's Jet Propulsion Laboratory. FINDER uses microwave radar to detect the unique signature of a human's breathing pattern and heartbeat, through 20 feet of solid concrete, 30 feet of a crushed mixture of concrete and rebar, and 100 feet of open space.

In September 2014, the DHS promoted the technology to SWAT teams at the Urban Shield trade show.

In 2019, waste management company Total Waste Solutions developed a device to help protect homeless people who seek shelter inside industrial bins from harm.

See also

References

  1. Teixeira, Thiago, et al. "A Survey of Human-Sensing: Methods for Detecting Presence, Count, Location, Track, and Identity"
  2. ENSCO, Inc. "MicroSearch G3"
  3. Geovox Security Inc. "AVIAN Heartbeat Detector"
  4. Intelligent Security Limited. "Heartbeat - Human Detection System"
  5. Armstrong Monitoring. "Human Occupancy Detector"
  6. Press Office, Science and Technology Directorate, U.S. Department of Homeland Security. "DHS Teams Up With NASA to Find Heartbeats in Rubble", 17 September 2013.
  7. Science and Technology Directorate, U.S. Department of Homeland Security. "Detecting Heartbeats in Rubble: DHS and NASA Team up to Save Victims of Disasters"
  8. Pilkington, Ed. "Urban Shield: after Ferguson, police and suppliers consider fate of military-grade tactical gear", The Guardian, 8 September 2014.
  9. "World's first 'human detector' to protect homeless people sleeping in bins launched". The Independent. 15 December 2019. Retrieved 15 April 2020.

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