是关于梯度矢量流snake的程序代码，长须很详细，可以学到梯度矢量流snake模型中能量函数的计算方法。-Gradient vector flow snake on the program code, long to be very detailed and can learn a gradient vector flow snake model in the energy function is calculated.

GVF-snake程序，运用GVF-snake对图像进行分割处理-Guass