中文说明：图像比较始终是为检查你的结果所必需的。MSE 需要为同一计算和后基于此 mse，峰值信噪比计算要知道你的帧图像的质量。这始终是必需的当你做任何匹配或比较的代码。
English Description：
image comparison is always required for the purpose of checking your result.MSE needs to be calculated for the same and then after based on this mse , PSNR is calculated to know the quality of your image frame. this is always required when you do any matching or comparing codes.