reference,psnr,y_psnr,vmaf,ms_ssim S4-R01,94.1,89.3,84.8,91.4 S4-R02,92.5,88.4,58.4,91.2 S4-R03,91.6,88.4,73.1,86.3 S4-R04,86.8,82.5,77.2,84.5 Min,86.8,82.5,58.4,84.5 Max,94.1,89.3,84.8,91.4 Avg,91.2,87.2,73.4,88.4