Development of a system to profile foot temperatures of the plantar and the periphery
Foot temperature profiling is of utmost importance is mitigating the adverse effects due to foot complications especially due to diabetes. Contactless temperature monitoring methods could be used effectively in large scale for patient screening. Near-infrared thermography has proven to be convenient and accurate for temperature profiling. The objective of this study is to develop a diagnostic device using the said imaging technology to detect as well as progress monitoring of foot complications. The device we have developed is capable of scanning the foot plantar and the periphery and it is also accompanied by a semi-supervised thermal image analysis algorithm which is convenient to the clinician. Preliminary clinical testing conducted using 6 diabetic subjects out of which 2 had ulcers in either foot and 9 non-diabetic subjects 2 of which had wounds on the plantar. The system was able to detect the ulcerated areas and wounds with the algorithm developed specifically for thermal image analysis.
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