本程序实现灰度图像各向异性扩散(滤波算法，可以用于平滑信号，保留边缘，增强边缘对比度。与普通高斯算法相比，它不会平滑边缘的图像-This procedure to achieve gray-scale image anisotropic diffusion (filtering algorithm can be used to smooth the signal, retaining edge, to enhance the edge contrast. With ordinary Gauss