Fig. 15
From: Diabetic foot ulcer mobile detection system using smart phone thermal camera: a feasibility study
Point-to-point procedure applied on test images 1 to 4. Test image 1 is a healthy feet image. Test images 2 to 4 are images with simulated ulcer. a Acquired image. b Registered right foot. c Left foot (reference). d Temperature difference between both feet. e Regions of hyperthermia