zzlv

代码说明：

说明：  不调用matlab库函数，实现任意奇数方块模板，对其内数值进行中值滤波，包括对高斯，椒盐图的处理(Do not call the matlab library function, the realization of arbitrary odd-numbered box template, with its value for median filtering, including the Gaussian, salt and pepper map processing)