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LUMISTAR INFRARED IMAGING NEWS

By Lumistar's Chief Scientist

August 1, 2012

Thermal Imaging System Detects Drunk People

At the request of local police, Greek scientists are developing new algorithms that will gather data about blood-vessels on a subject’s face using thermal imaging cameras. When people drink the blood vessels naturally dilate on the surface of their skin, especially the face. That’s where thermal imaging cameras come in. Changes in blood flow anywhere in the body also correlate with changes in heat. Scientists’ aim is to develop an algorithm distinguishing a person who is sober vs. one who is drunk. The nose and forehead are especially keen to these changes. The nose gets warmer as the forehead gets cooler. A similar principal applies when thermal cameras are used to detect fever caused by illness (see earlier blog entry). The Greeks are one step closer to camera profiling before a crime happens à la Minority Report.

More:  http://cbsloc.al/Pjyy9Q


Filed under: Infrared,Lumistar,Technology,Thermal Imaging — Tags: , — Lumistar @ 07:59



7 Comments

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    Comment by Dr. John Bowen — October 15, 2012 @ 14:25

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  3. Actually, it all depends on the wavelength of the IR.Near IR can go through glass like the visible till around 1.5b5m. Glass absorbs at around 3b5m and up. Thermal imaging detects wavelengths around 10b5m, so you won’t detect anything behind a glass.

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