Table 2 The accuracy of character recognition and PI scores in denoised THz images with different algorithms.
From: Deep learning for terahertz image denoising in nondestructive historical document analysis
Algorithm | Accuracy (Xuan), % | Accuracy (standard), % | PI (Xuan) | PI (standard) |
|---|---|---|---|---|
Bilateral filtering | 42 | 16 | 10.72 ± 1.17 | 8.49 ± 0.86 |
wTV | 50 | 33 | 11.77 ± 0.67 | 9.14 ± 0.51 |
HINet | 42 | 33 | 17.50 ± 1.18 | 18.80 ± 0.20 |
CycleGAN | 41 | 16 | 14.08 ± 1.14 | 15.41 ± 0.75 |
Pix2pixGAN | 99 | 61 | 16.54 ± 0.91 | 17.12 ± 0.50 |
