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Objective foot ulcer documentation using 3-D shape analysis: a feasibility study

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In treating the condition of a diabetic foot with ulcerations need for objective documentation of wound site and wound size is obvious... It was the aim of the present study to explore the potential of an automatized evaluation of 3-D measurements of ulcerations of the foot... Calculation of the edges is based on analysis of the sum ('mean curvature') and difference ('rim curvature') of the principal curvatures... This allows to calculate a geometric line modelling the wound edge, which can be compared directly with the photographically documented wound edge... Fig. 1 shows an example of a comparison between a wound photo and the curvature map revealing the wound edges... Evaluation of 3-D measurement in sequence shows the applicability of this concept for a quantitative documentation of wound size, area and volume... Use of curvature analysis appears to be a valuable tool in the automatic assessment of wounds... It probably works best together with other techniques, e.g. evaluating the texture.

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left: wound photo; right: curvature map (difference of principal curvatures) with an automatically generated closed line to model the wound edge.
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Figure 1: left: wound photo; right: curvature map (difference of principal curvatures) with an automatically generated closed line to model the wound edge.

Mentions: Fig. 1 shows an example of a comparison between a wound photo and the curvature map revealing the wound edges.


Objective foot ulcer documentation using 3-D shape analysis: a feasibility study
left: wound photo; right: curvature map (difference of principal curvatures) with an automatically generated closed line to model the wound edge.
© Copyright Policy
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC2562119&req=5

Figure 1: left: wound photo; right: curvature map (difference of principal curvatures) with an automatically generated closed line to model the wound edge.
Mentions: Fig. 1 shows an example of a comparison between a wound photo and the curvature map revealing the wound edges.

View Article: PubMed Central - HTML

AUTOMATICALLY GENERATED EXCERPT
Please rate it.

In treating the condition of a diabetic foot with ulcerations need for objective documentation of wound site and wound size is obvious... It was the aim of the present study to explore the potential of an automatized evaluation of 3-D measurements of ulcerations of the foot... Calculation of the edges is based on analysis of the sum ('mean curvature') and difference ('rim curvature') of the principal curvatures... This allows to calculate a geometric line modelling the wound edge, which can be compared directly with the photographically documented wound edge... Fig. 1 shows an example of a comparison between a wound photo and the curvature map revealing the wound edges... Evaluation of 3-D measurement in sequence shows the applicability of this concept for a quantitative documentation of wound size, area and volume... Use of curvature analysis appears to be a valuable tool in the automatic assessment of wounds... It probably works best together with other techniques, e.g. evaluating the texture.

No MeSH data available.


Related in: MedlinePlus