reference,psnr,y_psnr,vmaf,ms_ssim S4-R01,66.5,66.4,67.9,69.4 S4-R02,38.0,38.5,44.4,38.1 S4-R03,44.4,42.5,51.4,45.4 S4-R04,79.9,79.3,76.6,79.6 Min,38.0,38.5,44.4,38.1 Max,79.9,79.3,76.6,79.6 Avg,57.2,56.7,60.1,58.1