Table 6 Comparison of performance on real-inscription images.

CIDG⁴

19.7501

0.9407

0.0628

25.5439

0.9098

DE-GAN⁵

19.9100

0.9076

0.1430

122.9757

0.8952

CycleGAN²

16.9535

0.8826

0.1056

43.6596

0.6900

RubGAN³

17.6579

0.5975

0.1841

115.0252

0.8180

FD-Net²⁵

18.9690

0.8811

0.1743

147.9551

0.8355

RCRN⁷

18.7303

0.9123

0.1003

78.1304

0.8559

Charformer⁶

18.1647

0.4742

0.2935

204.4901

0.7948

Uformer¹⁹

18.5368

0.9312

0.0585

18.5603

0.8355

Tformer¹⁷

20.0371

0.9449

0.0475

15.8084

0.9229

CENet²⁹

20.4213

0.8961

0.1285

92.8850

0.9112

GSDM¹⁴

20.7975

0.9347

0.0917

81.6815

0.9199

CINet

21.7686

0.9564

0.0370

16.2541

0.9534