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Human presence detection
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<h2 id="examples">Examples</h2> <ul><li>reCAPTCHA is a CAPTCHA-like system designed to establish that a computer user is human (normally in order to protect websites from bots) and, at the same time, assist in the digitization of books.</li> <li>A sensor based on a piezoelectric film (EMFI sensor) is used to detect mechanical vibrations and the presence of a person seated on the rear bench of a vehicle. In order to distinguish between humans, heavy objects, and empty seats, signal processing techniques are used.<a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a> <a href="/facts/Mmwave_sensing/ktSCXUax">mmWave radar technology</a> can also be used to detect the presence and location of humans in vehicles.<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a></li></ul> <h2 id="history">History</h2> <p>The first robot to successfully demonstrate a static motion detection capability was ROBART I, which was Everett's 1981 thesis project at the Naval Postgraduate School.<a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a> In 1997 <a href="/facts/CAPTCHA/3sIyVjTk">CAPTCHA</a> ("Completely Automated Public Turing test to tell Computers and Humans Apart") was invented. This test is used to ensure that computer is operated by a human, preventing spam robots. </p> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/Face_detection/KVIvPRFA">Face detection</a> – Identification of human faces in images</li> <li><a href="/facts/Human_sensing/57V1mgjk">Human sensing</a> – Technologies to detect a human presence</li> <li><a href="/facts/CAPTCHA/3sIyVjTk">CAPTCHA</a> – Test to determine whether a user is human</li> <li><a href="/facts/Defense_strategy_(computing)/cItpbsFf">Defense strategy (computing)</a> – Concept to reduce computer security risks</li> <li><a href="/facts/Security_switch/e4dlYRKN">Security switch</a> – Physical software-controlling switch</li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Mrazovac, Bojan; Todorović, Branislav M.; Bjelica, Milan Z.; Kukolj, Dragan (2013). Reaching the next level of indoor human presence detection: An RF based solution. 2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS). Nis, Serbia. pp. 297–300. doi:10.1109/TELSKS.2013.6704936. S2CID 27212018. <a href="/wiki/Doi_(identifier)" target="_blank">/wiki/Doi_(identifier)</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>"Human Presence Detection with Radar Technology". Archived from the original on 2019-02-01. Retrieved 2018-11-17. <a href="https://web.archive.org/web/20190201171835/https://lifesciences.ieee.org/lifesciences-newsletter/2013/february-2013/true-human-presence-detection-with-radar-technology%5DTrue" target="_blank">https://web.archive.org/web/20190201171835/https://lifesciences.ieee.org/lifesciences-newsletter/2013/february-2013/true-human-presence-detection-with-radar-technology%5DTrue</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>IEEE, Detection of human presence in a vehicle by vibration analysis <a href="https://web.archive.org/web/20191215071956/https://ieeexplore.ieee.org/document/6411010" target="_blank">https://web.archive.org/web/20191215071956/https://ieeexplore.ieee.org/document/6411010</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>"ACAM - In-Cabin Monitoring Radar". NOVELIC. Retrieved 2024-06-02. <a href="https://www.novelic.com/acam-automotive-in-cabin-monitoring-radar/" target="_blank">https://www.novelic.com/acam-automotive-in-cabin-monitoring-radar/</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>"CHIPS The department of Navy's Information Technology Magazine". Archived from the original on 2018-11-01. Retrieved 2018-10-31. <a href="https://www.doncio.navy.mil/chips/ArticleDetails.aspx?ID=3021" target="_blank">https://www.doncio.navy.mil/chips/ArticleDetails.aspx?ID=3021</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> </ol>