501628.fig.004a
(a)
501628.fig.004b
(b)
501628.fig.004c
(c)
501628.fig.004d
(d)
501628.fig.004e
(e)
501628.fig.004f
(f)
Figure 4: The segmentation results of the blood vessels image: (a) and (d) results using CV model, (b) and (e) results using LBF model, and (c) and (f) results using the new model.