reference,psnr,y_psnr,vmaf,ms_ssim S4-R01,93.1,89.6,82.5,91.3 S4-R02,93.1,90.3,58.0,92.0 S4-R03,90.0,88.5,74.8,88.9 S4-R04,86.9,84.1,77.9,86.6 Min,86.9,84.1,58.0,86.6 Max,93.1,90.3,82.5,92.0 Avg,90.8,88.1,73.3,89.7