Research Article
Separating Chinese Character from Noisy Background Using GAN
Table 4
Recognition result of separated printed characters and ground truth by OCR tool.
| | Hei font | Kai font | Song font | Imitation Song font | Average |
| Synthesized overlapping | 0.288 | 0.001 | 0.020 | 0.000 | 0.077 | CycleGAN | 0.615 | 0.063 | 0.129 | 0.028 | 0.209 | Pix2pix | 0.909 | 0.831 | 0.507 | 0.345 | 0.648 | U-Net | 0.622 | 0.587 | 0.296 | 0.217 | 0.431 | ESRGAN | 0.966 | 0.962 | 0.925 | 0.889 | 0.936 | DESRGAN | 0.964 | 0.971 | 0944 | 0.903 | 0.945 | Ground truth | 0.968 | 0.981 | 0.976 | 0.981 | 0.977 |
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