图像平滑用于去除图像中的噪声。高斯平滑，就是将每个像素的灰度值用其领域的加权平均值代替。该算法简单，能够有效去除高斯噪声。 -Image Smoothing is used to remove image noise. Gaussian smoothing is the gray value of each pixel with its weighted average of the field instead. The algorithm is simple and can effecti