Table 3 Performance comparison of IQA methods on four benchmark databases

LIVE

SROCC

0.8755

0.9479

0.8910

0.9513

0.9567

0.9634

0.9401

0.9524

0.9406

0.9667

0.9558

0.9600

KROCC

0.6864

0.7963

0.7042

0.8044

0.8175

0.8337

0.7816

0.8058

0.7835

0.8395

0.8187

0.8203

PLCC

0.8721

0.9449

0.8971

0.9489

0.9522

0.9597

0.9354

0.9482

0.9344

0.9659

0.9452

0.9570

RMSE

13.368

8.9455

7.1149

8.6188

8.3472

7.6780

9.6624

8.6816

9.7355

7.0790

7.5481

7.9274

CSIQ

SROCC

0.8057

0.8756

0.8514

0.9133

0.9213

0.9242

0.9295

0.9423

0.9434

0.9569

0.9317

0.8979

KROCC

0.6080

0.6907

0.6520

0.7393

0.7529

0.7567

0.7645

0.7857

0.7870

0.8130

0.7720

0.7234

PLCC

0.8001

0.8613

0.8443

0.8991

0.9144

0.9120

0.9179

0.9279

0.9268

0.9531

0.9244

0.9236

RMSE

0.1575

0.1334

0.1407

0.1149

0.1063

0.1077

0.1042

0.0979

0.0986

0.0795

0.1001

0.1007

TID2008

SROCC

0.5531

0.5531

0.6226

0.8542

0.8559

0.8804

0.8680

0.8979

0.9051

0.9208

0.8913

0.7375

KROCC

0.4027

0.4027

0.4562

0.6568

0.6636

0.6945

0.6780

0.7123

0.7294

0.7515

0.7149

0.5628

PLCC

0.5734

0.5734

0.6774

0.8451

0.8579

0.8738

0.8645

0.8762

0.8899

0.9160

0.8867

0.7954

RMSE

1.0994

1.0994

0.9871

0.7173

0.6895

0.6527

0.6746

0.6466

0.6120

0.5383

0.6205

0.8133

TID2013

SROCC

0.6394

0.7417

0.5913

0.7859

0.7779

0.8022

0.7744

0.8965

0.9052

0.8899

0.8076

0.6757

KROCC

0.4696

0.5588

0.4292

0.6047

0.5977

0.6292

0.5951

0.7183

0.7327

0.7123

0.6407

0.5146

PLCC

0.7017

0.7895

0.6958

0.8329

0.8319

0.8589

0.8333

0.9000

0.9071

0.9085

0.8664

0.7825

RMSE

0.8832

0.7608

0.8904

0.6861

0.6880

0.6349

0.6852

0.5404

0.5219

0.5181

0.6191

0.7719