notesum.ai
Published at December 5LocalSR: Image Super-Resolution in Local Region
cs.CV
Released Date: December 5, 2024
Authors: Bo Ji1, Angela Yao1
Aff.: 1National University of Singapore

| Method | Variant | BSD100 | Urban100 | Manga109 | Test2K | |||||||||
| PSNR | SSIM | GFLOPs | PSNR | SSIM | GFLOPs | PSNR | SSIM | GFLOPs | PSNR | SSIM | GFLOPs | |||
| CNN-based | CARN [2] | Pre-cropping | 27.27 | 0.8839 | 0.65 | 25.09 | 0.8852 | 0.65 | 28.82 | 0.9574 | 0.65 | 27.23 | 0.8893 | 0.65 |
| Post-cropping | 27.38 | 0.8854 | 35.37 | 25.29 | 0.8879 | 209.59 | 29.27 | 0.9597 | 267.23 | 27.34 | 0.8910 | 489.93 | ||
| Ours | 27.39 | 0.8854 | 1.63 | 25.32 | 0.8883 | 5.65 | 29.24 | 0.9595 | 6.97 | 27.34 | 0.8909 | 12.11 | ||
| SRResNet [15] | Pre-cropping | 27.51 | 0.8880 | 2.93 | 25.77 | 0.8983 | 2.93 | 29.74 | 0.9640 | 2.93 | 27.44 | 0.8939 | 2.93 | |
| Post-cropping | 27.63 | 0.8895 | 158.19 | 25.99 | 0.9013 | 937.44 | 30.19 | 0.9658 | 1195.23 | 27.56 | 0.8957 | 2191.26 | ||
| Ours | 27.62 | 0.8894 | 5.08 | 26.03 | 0.9018 | 8.94 | 30.20 | 0.9656 | 10.22 | 27.57 | 0.8957 | 15.15 | ||
| RCAN [36] | Pre-cropping | 27.67 | 0.8909 | 18.38 | 26.35 | 0.9087 | 18.38 | 30.47 | 0.9682 | 18.38 | 27.60 | 0.8971 | 18.38 | |
| Post-cropping | 27.82 | 0.8926 | 992.73 | 26.67 | 0.9126 | 5882.85 | 31.07 | 0.9707 | 7500.64 | 27.76 | 0.8991 | 13751.17 | ||
| Ours | 27.79 | 0.8924 | 19.41 | 26.66 | 0.9124 | 21.50 | 31.05 | 0.9706 | 22.19 | 27.75 | 0.8990 | 24.86 | ||
| Transformer-based | SwinIR (lw) [16] | Pre-cropping | 27.63 | 0.8901 | 2.11 | 26.09 | 0.9045 | 2.11 | 30.26 | 0.9673 | 2.11 | 27.56 | 0.8962 | 2.11 |
| Post-cropping | 27.76 | 0.8917 | 113.70 | 26.37 | 0.9082 | 673.77 | 30.79 | 0.9693 | 859.06 | 27.71 | 0.8982 | 1574.94 | ||
| Ours | 27.76 | 0.8918 | 3.18 | 26.38 | 0.9084 | 6.74 | 30.80 | 0.9692 | 7.92 | 27.71 | 0.8982 | 12.47 | ||
| SwinIR [16] | Pre-cropping | 27.75 | 0.8923 | 15.08 | 26.53 | 0.9118 | 15.08 | 30.76 | 0.9706 | 15.08 | 27.68 | 0.8987 | 15.08 | |
| Post-cropping | 27.90 | 0.8942 | 814.40 | 26.90 | 0.9165 | 4826.06 | 31.36 | 0.9728 | 6153.23 | 27.86 | 0.9011 | 11280.91 | ||
| Ours | 27.90 | 0.8942 | 23.23 | 26.91 | 0.9165 | 31.02 | 31.36 | 0.9728 | 33.60 | 27.85 | 0.9010 | 43.56 | ||