reference,psnr,y_psnr,vmaf,ms_ssim S4-R01,54.6,57.1,59.9,59.4 S4-R02,36.1,37.3,44.4,35.6 S4-R03,39.3,38.7,54.3,44.0 S4-R04,76.2,76.4,73.7,75.5 Min,36.1,37.3,44.4,35.6 Max,76.2,76.4,73.7,75.5 Avg,51.5,52.4,58.1,53.6