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Table 2 ERGAS values of state-of-the-art SR methods. The bold number indicates the best performance

From: Single-frame super-resolution for remote sensing images based on improved deep recursive residual network

Scene Scale Bicubic SRCNN FSRCNN DRCN VDSR EDSR IDRRN
Airplane ×2 3.1462 2.6994 2.4515 2.3379 2.2613 2.2075 2.1987
×3 2.9942 2.6364 2.3988 2.4103 2.3015 2.2889 2.2044
×4 2.6828 2.4634 2.4077 2.3345 2.1613 2.0481 1.9985
Bridge ×2 6.5783 6.0234 5.9902 5.6359 5.2230 5.5834 5.1681
×3 5.7809 5.5293 5.4437 5.2569 5.1571 4.9849 4.9901
×4 4.8862 4.6293 4.6128 4.5153 4.3820 4.4121 4.3815
Harbor ×2 9.4446 8.1335 8.3982 9.0341 7.0818 7.9539 6.3731
×3 11.2215 10.0231 9.9025 8.9336 8.0004 8.0349 8.1795
×4 12.9885 11.3769 10.5539 10.2495 10.5594 10.5104 9.5517
Inter-section ×2 14.2147 11.2275 11.0060 12.4054 11.1685 11.7313 10.8496
×3 13.4601 12.7299 12.0232 11.9441 11.5986 12.7035 11.0287
×4 15.1112 13.0236 12.7750 13.6313 11.0426 11.0405 11.4467
Parking_lot ×2 7.7762 7.4731 7.5994 6.9825 6.9904 7.5398 6.8247
×3 6.3143 6.1019 5.7282 5.5627 5.1651 5.0154 5.3081
×4 5.8401 4.6099 4.5310 6.7772 5.5812 4.8773 4.5238