Table 6 Weighted-average performances over three datasets

VIF [41]

0.7639

0.6043

0.8247

GSM [21]

0.8460

0.6752

0.8640

PSNR [5]

0.6824

0.5046

0.6852

VSNR [40]

0.7376

0.5648

0.7573

SSIM [3]

0.7947

0.6113

0.8143

MSSSIM [12]

0.8422

0.6618

0.8596

IWSSIM [13]

0.8409

0.6641

0.8654

RFSIM [23]

0.8411

0.6634

0.8658

FSIM [11]

0.8601

0.6901

0.8831

FSIMc [11]

0.8846

0.7101

0.8928

SFF [42]

0.8872

0.7116

0.8977

IDSSIM

0.8730

0.6960

0.8814

IDSSIMc

0.8900

0.7156

0.8949