把彩色图像转换成灰度图像进行中值滤波 对彩色图像添加高斯噪声，然后对其进行中值滤波处理，得到图像与原图进行对比，实现中值滤波功能。-Converting the color image into a gray-scale image median filtering Gaussian noise added to the color image, then subjected to a median filtering process, to obtain an image with the