reference,psnr,y_psnr,vmaf,ms_ssim S4-R01,51.6,53.0,54.6,54.3 S4-R02,35.2,35.5,36.2,32.5 S4-R03,41.6,39.4,43.5,41.6 S4-R04,75.0,74.6,68.4,74.0 Min,35.2,35.5,36.2,32.5 Max,75.0,74.6,68.4,74.0 Avg,50.9,50.6,50.7,50.6