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US 10,949,965 B2Granted
System and method for assessing wound
AssigneeWorcester Polytechnic Institute (WPI)
InventorsPeder C. Pedersen, Diane M. Strong, Emmanuel Agu, Bengisu Tulu, Lei Wang, Qian He, Raymond M Dunn
Life of this patent
Estimating the term…
Abstract
The wound assessing method and system provide a convenient, quantitative mechanism for diabetic foot ulcer assessment.
Claims16
A method for assessing chronic wounds and ulcers, comprising:
- capturing an image of a body part including a wound area;
- the image being a color image;
- segmenting the image;
- determining a boundary of the wound area;
- performing color segmentation within the boundary, wherein the wound area is divided into a plurality of segments, each segment being associated with a color indicating a healing condition of the segment;
- and
- evaluating the wound area;
- wherein a wound evaluation component is configured to determine a quantitative healing score as a method for quantifying a healing status of the wound area;
- wherein the quantitative healing score is a wound evaluation value;
- wherein the quantitative healing score is based on a weighted wound area;
- the weighted wound area being a weighted sum of red tissue wound area, yellow tissue wound area, and black tissue wound area;
- wherein, weights being predetermined;
- the quantitative healing score also being based on a ratio of the weighted wound area to a weighted wound area for an initial wound image for a same subject;
- the quantitative healing score comprising a difference between a first predetermined constant and a product of a second predetermined constant and the ratio of the weighted wound area to the weighted wound area for the initial wound image for the same subject;
- wherein the method is used for assessing chronic wounds and ulcers including chronic foot wounds and ulcers from type 2 diabetes.
12 more elements
A system for assessing wound, comprising:
- an image acquisition device configured for capturing an image of a body part including a wound area;
- the image being a color image;
- and
- one or more processors configured to:
- segment the image into a number of regions;
- extract a boundary of the wound area;
- perform color segmentation within the boundary of the wound area, wherein the wound area is divided into a plurality of segments, each segment being associated with a color indicating a healing condition of the segment;
- and
- evaluate the wound area;
- wherein a wound evaluation component is configured to determine a quantitative healing score as a method for quantifying a healing status of the wound area;
- wherein the quantitative healing score is a wound evaluation value;
- wherein the quantitative healing score is based on a weighted wound area;
- the weighted wound area being a weighted sum of red tissue wound area, yellow tissue wound area, and black tissue wound area;
- wherein, weights being predetermined;
- the quantitative healing score also being based on a ratio of the weighted wound area to a weighted wound area for an initial wound image for a same subject;
- the quantitative healing score comprising a difference between a first predetermined constant and a product of a second predetermined constant and the ratio of the weighted wound area to the weighted wound area for the initial wound image for the same subject;
- wherein the system is used for assessing chronic wounds and ulcers including chronic foot wounds and ulcers from type 2 diabetes.
14 more elements
Dependencies are inferred from the claim text.