Moreover, infrared thermography provide us to recognize defects or abnormal thermal patterns on skin surfaces or subsurfaces. Since, it has a diagnostic importance for human body we first used the “infrared thermography” term especially in medical sciences in 1960. human body) with the temperature above absolute zero emit the electromagnetic radiation, and this is known as infrared or thermal radiation between the wavelength 0.75–1000 μm. Īs known, the objects and the subjects (i. When William Herschel first discovered the infrared radiation, and recorded the first thermal image by his son, new opportunities were provided in the field of temperature measurements. Thus, thermometers, which measure the temperature change of human body below 36.3 ☌ and above 37.5 ☌, were found around seventeenth century. As a few degree change in the normal temperature of human body indicates possible illnesses thermoregulation process controls this temperature change physiologically.
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