Wound measurement by curvature maps: a feasibility study.
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.
Liu
Xiang
X
School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore. liuxiang@pmail.ntu.edu.sg
Kim
Wangdo
W
Schmidt
Reiner
R
Drerup
Burkhard
B
Song
Jinsup
J
D005240:Feasibility Studies; D016523:Foot Ulcer / Q000473:pathology; D006801:Humans; D007834:Lasers; D008954:Models, Biological; D014947:Wounds and Injuries / Q000175:diagnosis / Q000473:pathology*