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Infrared thermography, thermal image, or thermal video b> - a scientific method for obtaining thermograms - images in the infrared, showing the distribution pattern of temperature fields. Thermographic cameras or thermal imagers detect infrared radiation in the electromagnetic spectrum (about 900-14000 nm or ?ì 0,9-14) and on the basis of this radiation creates images that identify superheated or supercooled place. Since infrared radiation is emitted by all objects having temperature according to Planck's formula for blackbody radiation, thermography makes it possible to "see" the environment with or without visible light. The quantity of radiation emitted by an object increases as its temperature, therefore thermography allows us to see the differences in temperature.