From: Single image super-resolution by directionally structured coupled dictionary learning
Images | Bic. | [11] | [12] | Proposed(PMS) | Proposed | |||||
---|---|---|---|---|---|---|---|---|---|---|
AnnieYukiTim | 31.42 | 0.5709 | 32.79 | 0.3824 | 32.76 | 0.3848 | 33.83 | 0.3659 | 32.86 | 0.3789 |
 | 0.9064 | 0.3280 | 0.9375 | 0.1879 | 0.9376 | 0.1865 | 0.9338 | 0.2038 | 0.9221 | 0.1961 |
Barbara | 25.34 | 0.7400 | 25.34 | 0.5531 | 25.81 | 0.5555 | 26.46 | 0.5439 | 25.91 | 0.5438 |
 | 0.7929 | 0.5890 | 0.8356 | 0.4199 | 0.8330 | 0.4207 | 0.8563 | 0.4274 | 0.8360 | 0.4249 |
BooksCIMAT | 24.89 | 0.6176 | 26.02 | 0.3940 | 27.17 | 0.4075 | 26.62 | 0.3916 | 26.21 | 0.3987 |
 | 0.8271 | 0.4075 | 0.8826 | 0.2047 | 0.9039 | 0.2176 | 0.8941 | 0.2272 | 0.8829 | 0.2151 |
Butterfly | 27.45 | 0.4541 | 30.07 | 0.2174 | 29.85 | 0.2182 | 31.77 | 0.1961 | 30.53 | 0.1965 |
 | 0.8984 | 0.1633 | 0.9445 | 0.0145 | 0.9430 | 0.0101 | 0.9508 | 0.0569 | 0.9460 | 0.0356 |
Fence | 25.04 | 0.6432 | 26.32 | 0.4563 | 27.85 | 0.4693 | 27.31 | 0.4414 | 26.36 | 0.4483 |
 | 0.7448 | 0.5281 | 0.8158 | 0.3271 | 0.8496 | 0.3395 | 0.8332 | 0.3379 | 0.8210 | 0.3289 |
ForbiddenCity | 24.06 | 0.7143 | 24.66 | 0.5559 | 25.90 | 0.5718 | 25.58 | 0.5465 | 24.75 | 0.5569 |
 | 0.6767 | 0.5759 | 0.7549 | 0.3974 | 0.7925 | 0.4078 | 0.7930 | 0.4062 | 0.7899 | 0.4062 |
HowMany | 27.98 | 0.5739 | 29.19 | 0.3735 | 29.16 | 0.3750 | 30.04 | 0.3586 | 29.17 | 0.3599 |
 | 0.8686 | 0.3038 | 0.9126 | 0.1571 | 0.9120 | 0.1545 | 0.9000 | 0.1708 | 0.8843 | 0.1637 |
Kodak-05 | 23.97 | 0.7055 | 24.78 | 0.5372 | 25.89 | 0.5483 | 25.60 | 0.5256 | 25.56 | 0.5256 |
 | 0.7235 | 0.5015 | 0.7898 | 0.3365 | 0.8239 | 0.3444 | 0.8154 | 0.3510 | 0.8101 | 0.3449 |
Kodak-08 | 22.12 | 0.7182 | 22.81 | 0.5638 | 23.48 | 0.5723 | 23.83 | 0.5461 | 22.90 | 0.5539 |
 | 0.6995 | 0.5183 | 0.7672 | 0.3569 | 0.7950 | 0.3592 | 0.8027 | 0.3633 | 0.7570 | 0.3602 |
Michoacan | 22.19 | 0.6614 | 23.85 | 0.4851 | 24.96 | 0.4992 | 24.76 | 0.4702 | 24.32 | 0.4729 |
 | 0.7877 | 0.4506 | 0.8388 | 0.2879 | 0.8627 | 0.2979 | 0.8508 | 0.3000 | 0.8346 | 0.2943 |
MissionBay | 26.67 | 0.6174 | 27.90 | 0.4294 | 27.86 | 0.4295 | 29.27 | 0.4003 | 28.89 | 0.4092 |
 | 0.8459 | 0.3475 | 0.8883 | 0.1928 | 0.8868 | 0.1899 | 0.9040 | 0.2129 | 0.9010 | 0.2047 |
NuRegions | 19.81 | 0.5326 | 21.30 | 0.3413 | 22.09 | 0.3536 | 22.14 | 0.3255 | 21.35 | 0.3266 |
 | 0.8469 | 0.2749 | 0.9047 | 0.0780 | 0.9182 | 0.0875 | 0.9207 | 0.0898 | 0.9046 | 0.0848 |
Peppers | 29.95 | 0.5459 | 31.22 | 0.3545 | 31.94 | 0.3781 | 31.91 | 0.3253 | 31.56 | 0.3261 |
 | 0.9045 | 0.2395 | 0.9422 | 0.1113 | 0.9583 | 0.1270 | 0.9608 | 0.1382 | 0.9596 | 0.1248 |
Rocio | 36.63 | 0.4019 | 39.19 | 0.1816 | 39.01 | 0.1821 | 40.38 | 0.1516 | 38.98 | 0.1674 |
 | 0.9612 | 0.1640 | 0.9778 | 0.0515 | 0.9773 | 0.0455 | 0.9745 | 0.0660 | 0.9799 | 0.0530 |
Starfish | 30.22 | 0.5101 | 32.12 | 0.2880 | 32.04 | 0.2895 | 33.09 | 0.2765 | 32.89 | 0.2846 |
 | 0.8923 | 0.2779 | 0.9358 | 0.1239 | 0.9354 | 0.1208 | 0.9365 | 0.1380 | 0.9332 | 0.1331 |
Yan | 26.96 | 0.6346 | 28.01 | 0.4579 | 27.94 | 0.4590 | 29.16 | 0.4346 | 28.15 | 0.4411 |
 | 0.8276 | 0.3878 | 0.8743 | 0.2268 | 0.8729 | 0.2227 | 0.8795 | 0.2447 | 0.8898 | 0.2357 |
Average | 26.54 | 0.6026 | 27.85 | 0.4107 | 28.36 | 0.4184 | 28.86 | 0.3937 | 28.15 | 0.3994 |
 | 0.8253 | 0.3786 | 0.8752 | 0.2171 | 0.8876 | 0.2207 | 0.8879 | 0.2334 | 0.8783 | 0.2254 |