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Skin wound analysis using digital image processing

This article presents the use of digital image processing using hue, saturation, intensity measurements as a technique for the color analysis of chronic wounds on the skin. An adaptive spline technique was used to segment the wound boundary in the images of venous leg ulcers. This technique was further used to approximate the position of venous leg ulcers. The amount of the slough within the wound site was quantified using the software developed and was compared with a grading system based on visual inspection by an experienced clinician and the results were compared by deriving Kappa (K) statistics. There was moderate agreement over all grades.