Table 2 Quantitative evaluation results for IKONOS.

From: A novel pansharpening method based on side window filter and new injection gain matrices

Method

Dλ↓

Ds↓

RQNR↑

Q4↑

SSIM↑

ERGAS↓

PIQE↓

EXP

0.0277

0.2181

0.7603

0.9784

0.7700

1.6210

85.2510

PCA

0.1857

0.0075

0.8082

0.8871

0.7974

4.3612

25.0617

SFIM

0.0126

0.0309

0.9569

0.9905

0.8764

1.1013

13.0329

PWMBF

0.0569

0.0742

0.8731

0.9621

0.8666

2.2780

20.0088

PNN

0.0427

0.0144

0.9435

0.9798

0.8399

2.1094

37.1379

APNN

0.0173

0.0442

0.9393

0.9909

0.8475

1.1109

27.6843

FusionNet

0.0199

0.0247

0.9559

0.9904

0.8519

1.1354

24.3849

GSA

0.0297

0.0018

0.9685

0.9871

0.8313

1.4269

14.0928

C-GSA

0.0292

0.0023

0.9685

0.9864

0.8295

1.4271

13.8113

SWGSA

0.0162

0.0016

0.9822

0.9920

0.8846

1.0324

13.6119

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