(redirected from Gradient Vector Flow)
GVFGreta Van Fleet (band)
GVFGood Very Fine (coin grades)
GVFGlobal VSAT Forum
GVFGradient Vector Flow (image processing)
GVFGas Volume Fraction (multiphase flows)
GVFGoldmann Visual Field (ophthalmological test)
GVFGuyana Volleyball Federation
GVFGamma Vacuum Foil
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References in periodicals archive ?
Prince, "Gradient Vector Flow: A new external force for snakes," in Proceeding of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition, pp.
Prince, "Generalized gradient vector flow external forces for active contours," Signal Processing, vol.
Tian, "Generalized gradient vector flow for snakes: New observations, analysis, and improvement," IEEE Transactions on Circuits and Systems for Video Technology, vol.
The GVF based ACM defines a new external force field [F.sup.g.sub.xt] = V(x, y), and the new external force field is named gradient vector flow force field.
The gradient vector flow force field can be expressed as V(x, y) = (u(x, y), v(x, y)), and its energy function is
The 1st row results from balloon active contour model, the 2nd row results from distance vector flow active contour model, the 3rd row results from gradient vector flow active contour model, and the 4th row results from our method.
Some techniques are based on a Centroidal Voronoi Diagrams (CVD) approach [13-15], whereas other methods [16-19] compute a vector field by making use of different strategies (i.e., graph cuts minimization [20], gradient vector flow [21]).
(i) GVF (gradient vector flow) field computation-based on [21] algorithm;