Original | Bicubic | Yang et. al. | Zeyde et. al. | Our GR | Our ANR | NE+LS | NE+NNLS | NE+LLE |
37.1(0.00) | 26.1(174.75) | 38.2(10.84) | 38.3(1.24) | 38.4(1.83) | 38.1(8.26) | 38.0(98.41) | 38.3(15.84) | |
36.8(0.00) | 27.3(65.03) | 39.9(3.34) | 39.0(0.39) | 40.0(0.59) | 39.9(2.55) | 39.4(30.56) | 40.0(4.87) | |
27.4(0.00) | 23.0(68.05) | 30.6(2.67) | 29.1(0.31) | 30.5(0.43) | 30.4(2.02) | 30.0(23.71) | 30.4(3.81) | |
34.9(0.00) | 27.4(51.22) | 35.6(3.15) | 35.6(0.37) | 35.7(0.53) | 35.5(2.41) | 35.5(28.25) | 35.6(4.59) | |
32.1(0.00) | 26.4(60.47) | 34.5(3.16) | 33.7(0.37) | 34.5(0.54) | 34.3(2.41) | 34.2(28.78) | 34.5(4.61) | |
Average PSNR | 33.66 (0.00) | 26.04 (83.90) | 35.78 (4.63) | 35.13 (0.54) | 35.83 (0.78) | 35.66 (3.53) | 35.43 (41.94) | 35.77 (6.74) |
Scaling factor | x2 |
High-res. patch size | 6 x 6 |
Feature upsampling factor | 2 |
Feature dim. (original) | 144 |
Feature dim. (reduced) | 28 |
Dictionary size | 1024 |
Dictionary maximal sparsity | 3 |
Dictionary iterations | 20 |
Duration | 2499.5 seconds |
# of images | 5 |
Interpolation Kernel | bicubic |