PMID: 9429341Jan 16, 1998Paper

Evaluation of mean skin temperature formulas by infrared thermography

International Journal of Biometeorology
J K ChoiK Shiraki

Abstract

To study the reliability of formulas for calculating mean skin temperature (Tsk), values were computed by 18 different techniques and were compared with the mean of 10,841 skin temperatures measured by infrared thermography. One hundred whole-body infrared thermograms were scanned in ten resting males while changing the air temperature from 40 degrees C to 4 degrees C. Local, regional average and mean skin temperatures were obtained using an image processing system. The agreement frequency, defined as the percentage of the calculated Tsk values which agreed with the corresponding infrared thermographic Tsk within +/- 0.2 degree C, ranged for with the various formulas from 7% to 80%. In many sites, the local skin temperature did not coincide with the regional average skin temperature. When the local skin temperatures which showed the highest percentage similarity to the regional average skin temperature within +/- 0.4 degree C were applied to the formula, the agreement frequency was markedly improved for all formulas. However, the agreement frequency was not affected by changing the weighting factors from specific constants to individually measured values of regional surface area. By applying the physiologically reliable accurac...Continue Reading

Citations

Mar 20, 2010·European Journal of Applied Physiology·B R M KingmaW D van Marken Lichtenbelt
Feb 18, 2016·Physiology & Behavior·Lijuan WangJiaping Liu
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