Matlab中实现SSIM算法，选取合适图片添加不同噪声，然后用三种去噪算法分别对添加噪声后的图片进行去噪，用SSIM图像相似度指标分析不同去噪算法对不同噪声的去除效果。(SSIM algorithm to achieve the Matlab, select the appropriate image with different noise, and then used to add noise after image denoising respectively three denoisi