Original | Bicubic | Yang et. al. | Zeyde et. al. | Our GR | Our ANR | NE+LS | NE+NNLS | NE+LLE |
33.9(0.00) | 34.3(88.50) | 35.1(4.82) | 34.9(0.75) | 35.1(1.04) | 35.0(3.87) | 34.8(41.30) | 35.1(7.15) | |
32.6(0.00) | 34.1(35.68) | 34.6(1.50) | 33.9(0.23) | 34.6(0.34) | 34.4(1.19) | 34.3(12.85) | 34.6(2.22) | |
24.0(0.00) | 25.6(32.17) | 25.9(1.20) | 25.0(0.19) | 25.9(0.26) | 25.8(0.93) | 25.6(10.02) | 25.8(1.72) | |
32.9(0.00) | 33.2(24.12) | 33.6(1.43) | 33.5(0.23) | 33.6(0.31) | 33.5(1.14) | 33.5(11.91) | 33.6(2.08) | |
28.6(0.00) | 29.9(30.23) | 30.4(1.43) | 29.7(0.22) | 30.3(0.30) | 30.2(1.12) | 29.9(11.94) | 30.2(2.07) | |
Average PSNR | 30.39 (0.00) | 31.42 (42.14) | 31.90 (2.08) | 31.41 (0.33) | 31.92 (0.45) | 31.78 (1.65) | 31.60 (17.61) | 31.84 (3.05) |
Scaling factor | x3 |
High-res. patch size | 9 x 9 |
Feature upsampling factor | 3 |
Feature dim. (original) | 324 |
Feature dim. (reduced) | 30 |
Dictionary size | 1024 |
Dictionary maximal sparsity | 3 |
Dictionary iterations | 20 |
Duration | 1196.6 seconds |
# of images | 5 |
Interpolation Kernel | bicubic |