Wound measurement by curvature maps: a feasibility study
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Updated: Jul 19, 2026

Digital Planimetry for Assessing Wound Closure Kinetics in a Mouse Model
Published on: January 10, 2025
Xiang Liu1, Wangdo Kim, Reiner Schmidt
1School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore. liuxiang@pmail.ntu.edu.sg
Abstract:
A non-contact wound measurement method by laser scanner and curvature maps is presented. A patient's foot ulcer is scanned by FastSCAN ten times over a three-week period. With the surface's 3D coordinates, curvature maps of the ulcerous area are calculated. Utilizing a specified rim curvature value, the wound edge is detected and processed via cubic spline smoothing, which is qualitatively verified by a photograph. Subsequently, the depth, area and volume of the wound can be calculated. The results indicate that laser scanning followed by curvature analysis might be a potential clinical tool for non-contact measurement of wounds.
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