Diabetes Mellitus is a top 10 deadly health condition worldwide, one of its consequences is the diabetic foot ulcers (DFU) that in severe cases can lead to amputations and death. Preventive measures are required, a rise in skin temperature is one of the early signs of a DFU formation. Infrared thermal images were taken from 56 DFU patients at early stage, being processed and classified using an intelligent data method (k- Nearest Neighbour), an accuracy of 92.5% was achieved. A larger sample is required to improve the results, so it can be used at daily practice for DFU prevention.
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