reference,psnr,y_psnr,vmaf,ms_ssim S4-R01,55.9,57.5,51.0,60.7 S4-R02,51.1,51.1,30.0,50.5 S4-R03,52.0,50.5,30.9,50.0 S4-R04,71.1,70.3,47.5,71.3 Min,51.1,50.5,30.0,50.0 Max,71.1,70.3,51.0,71.3 Avg,57.5,57.3,39.9,58.1