reference,psnr,y_psnr,vmaf,ms_ssim S4-R01,68.8,69.6,70.9,72.3 S4-R02,44.3,45.4,49.1,44.5 S4-R03,49.9,49.4,57.2,53.4 S4-R04,82.1,81.9,79.4,82.1 Min,44.3,45.4,49.1,44.5 Max,82.1,81.9,79.4,82.1 Avg,61.3,61.6,64.2,63.1