A new method of contour initializaiton was proposed by analyzing the shortcomings of the huge waste of time and the failure of extracting some true contours in Gradient Vector Flow(GVF) Snake model.

• 通过对梯度矢量流（GVF）力场迭代和轮廓收敛过程中时间开销大、不能逼近较复杂轮廓等不足之处的分析，提出了一种新的初始轮廓线的设置方法。