Generalized gradient vector flow external forces for active contours

Abstract

Active contours, or snakes, are used extensively in computer vision and image processing applications, particularly to locate object boundaries. A new type of external force for active contours, called gradient vector flow (GVF) was introduced recently to address problems associated with initialization and poor convergence to boundary concavities. GVF is… (More)
DOI: 10.1016/S0165-1684(98)00140-6

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