Table 2 Impact of reducing glyph instances on performance of the DPCDD Dataset

G = 5

CIDG⁴

18.7166

0.9289

0.0742

11.0120

0.9041

DE-GAN⁵

18.0239

0.7739

0.1572

95.0079

0.6941

CycleGAN²

13.9018

0.8078

0.1583

45.0151

0.7137

RubGAN³

14.1066

0.8342

0.1336

20.7753

0.7698

FD-Net²⁵

18.4013

0.8448

0.1352

63.6833

0.8092

RCRN⁷

19.9264

0.9300

0.0647

8.9237

0.9218

Charformer⁶

19.3447

0.9267

0.0702

13.5724

0.9133

Uformer¹⁹

18.2975

0.9129

0.0885

16.1491

0.8560

Tformer¹⁷

19.0662

0.9020

0.0635

5.0784

0.9140

CENet²⁹

21.4248

0.9050

0.0836

34.0152

0.9126

GSDM¹⁴

21.8589

0.9508

0.0421

2.9016

0.9560

CINet(ours)

22.5642

0.9501

0.0365

2.5185

0.9728

G = 3

CIDG⁴

18.6069

0.9300

0.0766

10.7084

0.8995

DE-GAN⁵

17.9095

0.7792

0.1579

100.5968

0.7162

CycleGAN²

13.6177

0.8071

0.1609

27.9348

0.6124

RubGAN³

14.2907

0.8260

0.1366

27.4403

0.7593

FD-Net²⁵

17.7863

0.8308

0.1539

73.4424

0.7723

RCRN⁷

19.6830

0.9286

0.0671

9.5869

0.9224

Charformer⁶

19.6244

0.9184

0.0726

13.0601

0.9140

Uformer¹⁹

18.1853

0.9109

0.0906

16.3983

0.8451

Tformer¹⁷

18.7107

0.9197

0.0657

5.7012

0.9057

CENet²⁹

21.1021

0.8967

0.0879

35.9235

0.8927

GSDM¹⁴

21.5331

0.9485

0.0442

3.1541

0.9488

CINet(ours)

22.1492

0.9525

0.0387

2.6915

0.9680

G = 1

CIDG⁴

18.4636

0.9276

0.0781

10.9620

0.9060

DE-GAN⁵

17.8112

0.7765

0.1623

96.9172

0.6861

CycleGAN²

11.4235

0.7148

0.2517

80.3395

0.5531

RubGAN³

13.3369

0.8087

0.1519

35.3300

0.7259

FD-Net²⁵

14.4154

0.7813

0.2068

118.5517

0.5700

RCRN⁷

19.5665

0.9215

0.0704

11.5964

0.9156

Charformer⁶

16.5597

0.7348

0.1592

48.1134

0.7972

Uformer¹⁹

17.9328

0.9027

0.0957

19.7934

0.8398

Tformer¹⁷

18.8557

0.8502

0.0669

6.0376

0.9110

CENet²⁹

21.3248

0.8957

0.0895

46.9806

0.8909

GSDM¹⁴

21.2570

0.9458

0.0464

3.3881

0.9472

CINet(ours)

21.7690

0.9504

0.0413

2.7523

0.9677