Experiments and Results --Memory-related feature (M)plays an importance role(content independence feature subsets are indexed as follows:VQA(1),M(2),I(3),R+R2(4),VQA+M(5),VQA+I(6).VQA+M+R2(7),M+R1+R2(8). M+H+R1+R2(9),VQA+I+R1+R2(10).VQA+M+R1+R2(11)and VQA+M+I+R1+R2(12). Features 5 6 7 8 9 10 11 12 Ridge 0.6348 0.2296 0.2700 0.3094 0.6000 0.6235 0.7870 0.4105 0.4172 0.78780.7735 0.7957 Lasso 0.6348 0.2296 0.2700 0.3243 0.6304 0.6417 0.7991 0.4075 0.3955 0.8013 0.7991 0.7983 SVR 0.5748 0.3807 0.2758 0.3740 0.7322 0.5878 0.8183 0.4210 0.4839 0.8543 0.8122 0.8704 ET 0.5074 0.3076 0.23450.2993 0.7431 0.5962 0.7496 0.3119 0.3924 0.8348 0.7574 0.8435 RF 0.5304 03961 0.27130.3218 0.7537 0.5691 0.7633 0.4126 0.4656 0.80740.7708 0.8096 GB 0.5691 0.3905 0.2658 0.3527 0.7461 0.6001 0.7668 0.4355 0.4984 0.8070 0.7607 0.8036 Features 6 7 8 10 12 Ridge 0.72130.45070.30490.2930 0.71410.6475 0.7610 0.4602 0.6247 0.78540.7590 0.8703 Lasso 0.7213 0.4507 0.30490.2956 0.7348 0.6956 0.7870 0.4592 0.6201 0.8055 0.7868 0.8719 SVR 0.6454 0.43250.31480.3169 0.8133 0.6472 0.8510 0.4497 0.6959 0.8945 0.8392 0.9358 ET 0.5407 0.3754 0.3110 0.3138 0.7620 0.6031 0.7596 03899 0.6173 0.9004 0.7659 0.9090 RF 0.5685 0.4451 0.35280.32610.7794 0.6024 0.7862 0.4706 0.6966 0.8686 0.7975 0.8742 GB 0.6287 0.4514 0.3514031410.7755 0.6269 0.7904 0.4751 0.7413 0.8665 0.7865 0.8686 Feature importances,ET.NIQE Feature importances,ET.STRRED feature featureExperiments and Results -- Memory-related feature (M) plays an importance role (content independence )