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Thermal Imaging Camera

BioPhotonics
Feb 2010
Land Instruments International Ltd., Infrared Temperature MeasurementRequest Info
 
For fast and accurate determination of human body temperature to prevent the spread of infectious viruses, Land Instruments International has released a high-resolution fixed thermal imaging camera. It performs nonintrusive screening of a large number of people and can discern small differences in body temperature. The vIRalert uses a certified temperature calibration source and an in-scene calibration technique to take thermographic images of body temperatures at a distance and compares the images with a blackbody calibration source at 9 Hz. If elevated temperatures are detected, an alarm alerts a staff member who can decide on further action. The system is used in airports to detect temperature radiance differences caused by fevers.


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GLOSSARY
camera
A light-tight box that receives light from an object or scene and focuses it to form an image on a light-sensitive material or a detector. The camera generally contains a lens of variable aperture and a shutter of variable speed to precisely control the exposure. In an electronic imaging system, the camera does not use chemical means to store the image, but takes advantage of the sensitivity of various detectors to different bands of the electromagnetic spectrum. These sensors are transducers...
thermal imaging
The process of producing a visible two-dimensional image of a scene that is dependent on differences in thermal or infrared radiation from the scene reaching the aperture of the imaging device.
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