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 fontKai fontSong fontImitation Song fontAverage

Synthesized overlapping0.2880.0010.0200.0000.077
CycleGAN0.6150.0630.1290.0280.209
Pix2pix0.9090.8310.5070.3450.648
U-Net0.6220.5870.2960.2170.431
ESRGAN0.9660.9620.9250.8890.936
DESRGAN0.9640.97109440.9030.945
Ground truth0.9680.9810.9760.9810.977