Research Article
Lightweight Image Super-Resolution Based on Re-Parameterization and Self-Calibrated Convolution
Table 1
Ablation studies of the effects of IMDB, FDB, RepDB, and SCDB with ×4 scale factor on test sets.
| Method | Scale | Params (K) | Set5 PSNR/SSIM | Set14 PSNR/SSIM | BSD100 PSNR/SSIM | Urban100 PSNR/SSIM |
| 6IMDB | ×4 | 715 | 32.15/0.8940 | 28.56/0.7808 | 27.54/0.7348 | 25.97/0.7826 | 6FDB + CCA | ×4 | 737 | 32.16/0.8943 | 28.58/0.7814 | 27.55/0.7348 | 26.02/0.7831 | 6FDB + CAM | ×4 | 742 | 32.17/0.8946 | 28.59/0.7816 | 27.55/0.7355 | 26.05/0.7842 | 6RepDB | ×4 | 742 | 32.20/0.8948 | 28.61/0.7818 | 27.56/0.7356 | 26.09/0.7862 | 6SCDB | ×4 | 801 | 32.23/0.8951 | 28.61/0.7819 | 27.57/0.7359 | 26.11/0.7863 | 3RepDB+3SCDB | ×4 | 772 | 32.22/0.8953 | 28.61/0.7820 | 27.58/0.7363 | 26.17/0.7881 |
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