DocumentCode :
1429099
Title :
An active contour model for measuring the area of leg ulcers
Author :
Jones, Tim D. ; Plassmann, Peter
Author_Institution :
Sch. of Comput., Univ. of Glamorgan, Pontypridd, UK
Volume :
19
Issue :
12
fYear :
2000
Firstpage :
1202
Lastpage :
1210
Abstract :
Leg ulcers are chronic skin a wounds that affect many people and take a long time to heal. The progress of wound healing and the effect of clinical treatments can he monitored partly by measuring the area of the wound. Measurements taken via manually based methods, such as using a computer pointing device to delineate the wound boundary in a digitized image, suffer from variations due to manual dexterity and differences of opinion between observers. An active contour model is presented that models the contour using piecewise B-spline arcs and uses the minimax principle to adaptively regularize the contour according to the local conditions in the wound image. The model makes use of the existing manual delineation process in order to initialize the solution and is shown to reduce the effect of the inherent variations upon the repeatability and consistency of area measurements in many cases.
Keywords :
area measurement; edge detection; measurement errors; medical image processing; optical images; physiological models; skin; splines (mathematics); active contour model; adaptive regularization; computer pointing device; consistency; digitized image; leg ulcers area measurement; manual delineation process; manual dexterity variations; medical diagnostic imaging; minimax principle; repeatability; wound boundary delineation; wound healing; Active contours; Area measurement; Computerized monitoring; Leg; Minimax techniques; Particle measurements; Size measurement; Skin; Spline; Wounds; Computer Simulation; Humans; Leg Ulcer; Wound Healing;
fLanguage :
English
Journal_Title :
Medical Imaging, IEEE Transactions on
Publisher :
ieee
ISSN :
0278-0062
Type :
jour
DOI :
10.1109/42.897812
Filename :
897812
Link To Document :
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