reference,psnr,y_psnr,vmaf,ms_ssim S4-R01,91.5,88.7,84.1,91.0 S4-R02,91.8,89.0,84.5,90.6 S4-R03,91.6,89.4,86.4,88.3 S4-R04,84.8,82.1,81.9,83.2 Min,84.8,82.1,81.9,83.2 Max,91.8,89.4,86.4,91.0 Avg,89.9,87.3,84.2,88.3