Visualization and analysis of dynamic thermographic changes

An approach to the use of infrared digitized thermal imaging in clinical diagnosis is described. It is based on the temporal analysis of hundreds of consecutive digitized thermal images (thermograms). Like any thermostated system local skin temperature oscillates as it is driven by systemic and local nervous factors. The oscillations, which may be of diagnostic value, can be derived only from dynamic studies. The average temperatures of small areas of the skin on the human back (12 to 25 cm ²) were used to determine the primary regulatory frequencies using fast Fourier transformation analysis. Both asymptomatic subjects and people with back problems of neurological origin were studied. Preliminary findings show regulatory frequencies which may be associated with pathology