Research Article
Multiframe Superresolution of Vehicle License Plates Based on Distribution Estimation Approach
Table 2
Comparisons of PSNR (dB) and SSIM with average blur and white Gaussian noise of
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| Image | Standard | Method | Bicubic | l1-SAR | TV-SAR | Ours |
| Figure 2(a) | PSNR | 15.15 | 16.36 | 16.36 | 18.14 | SSIM | 0.7766 | 0.8907 | 0.8906 | 0.9185 |
| Figure 2(b) | PSNR | 16.86 | 18.06 | 18.04 | 19.89 | SSIM | 0.7694 | 0.8125 | 0.8122 | 0.8582 |
| Figure 2(c) | PSNR | 14.77 | 16.75 | 16.75 | 17.80 | SSIM | 0.8860 | 0.9486 | 0.9486 | 0.9560 |
| Figure 2(d) | PSNR | 14.48 | 15.56 | 15.56 | 16.47 | SSIM | 0.6863 | 0.8161 | 0.8162 | 0.8379 |
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