本函数实现了Kuwahara滤波器,这是一种2D非线性滤波器,能有效减少图像中的噪声,同时保留边缘信息。下面是代码示例:RGB = imread('saturn.png');灰度图像= rgb2gray(RGB); J = imnoise(灰度图像,'gaussian',0,0.005); Y = kuwahara(J,5,true);