The next one is the image quality evaluation based on image power spectrum. It supposes nature scenes have the same power spectrum, introduces a human vision system and includes a Winner de-noise filter.
基于功率谱的客观图像质量评价方法假设场景的功率谱具有不变特性,引入了人类视觉系统,加入了维纳噪声滤波器,对图像质量进行评价得到一个确定的IQM数值。