Original | Bicubic | Bicubic | Bicubic | Our GR | Our ANR | NE+LS | NE+NNLS | NE+LLE | Our A+ (0.5mil) | Our A+ | Our A+ (16atoms) |
22.4(0.00) | 22.4(0.00) | 22.7(2.52) | 22.7(0.46) | 22.7(0.67) | 22.7(1.74) | 22.6(15.34) | 22.7(3.24) | 22.7(0.69) | 22.7(0.68) | 22.7(0.60) | |
25.1(0.00) | 25.1(0.00) | 25.6(4.66) | 25.6(0.80) | 25.6(1.17) | 25.5(3.10) | 25.5(27.66) | 25.6(5.68) | 25.7(1.14) | 25.7(1.14) | 25.7(1.00) | |
23.1(0.00) | 23.1(0.00) | 23.7(2.84) | 23.6(0.48) | 23.6(0.73) | 23.5(1.91) | 23.5(16.90) | 23.6(3.41) | 23.7(0.69) | 23.8(0.70) | 23.7(0.60) | |
25.5(0.00) | 25.5(0.00) | 25.8(1.01) | 25.8(0.17) | 25.8(0.26) | 25.8(0.71) | 25.8(6.43) | 25.8(1.26) | 25.9(0.26) | 26.0(0.24) | 25.8(0.21) | |
21.7(0.00) | 21.7(0.00) | 22.3(0.87) | 22.2(0.14) | 22.3(0.22) | 22.2(0.59) | 22.2(5.46) | 22.3(1.14) | 22.5(0.21) | 22.6(0.21) | 22.4(0.18) | |
31.6(0.00) | 31.6(0.00) | 32.2(0.76) | 32.1(0.14) | 32.2(0.21) | 32.1(0.55) | 32.1(4.62) | 32.2(0.97) | 32.4(0.19) | 32.4(0.20) | 32.3(0.17) | |
25.5(0.00) | 25.5(0.00) | 26.4(1.93) | 26.2(0.33) | 26.5(0.50) | 26.3(1.29) | 26.3(11.59) | 26.4(2.42) | 26.7(0.51) | 26.9(0.51) | 26.6(0.44) | |
29.4(0.00) | 29.4(0.00) | 31.0(1.07) | 30.1(0.18) | 30.8(0.27) | 31.0(0.72) | 30.9(6.35) | 30.9(1.30) | 31.6(0.26) | 32.2(0.26) | 31.2(0.22) | |
29.8(0.00) | 29.8(0.00) | 30.9(2.80) | 30.6(0.51) | 31.0(0.75) | 30.9(1.98) | 30.8(17.10) | 30.9(3.51) | 31.3(0.75) | 31.4(0.75) | 31.2(0.65) | |
25.7(0.00) | 25.7(0.00) | 26.5(2.90) | 26.2(0.48) | 26.4(0.74) | 26.4(1.94) | 26.3(16.80) | 26.4(3.49) | 26.6(0.76) | 26.8(0.71) | 26.5(0.62) | |
27.5(0.00) | 27.5(0.00) | 28.7(4.35) | 28.4(0.76) | 28.7(1.09) | 28.6(2.94) | 28.5(26.26) | 28.6(5.45) | 29.0(1.09) | 29.4(1.09) | 28.9(0.97) | |
30.6(0.00) | 30.6(0.00) | 32.1(2.89) | 31.4(0.49) | 31.9(0.73) | 31.9(1.95) | 31.8(17.36) | 31.9(3.50) | 32.4(0.73) | 32.9(0.74) | 32.3(0.65) | |
22.0(0.00) | 22.0(0.00) | 23.1(3.62) | 22.6(0.67) | 22.8(1.00) | 22.9(2.58) | 22.6(21.71) | 22.8(4.88) | 23.2(0.95) | 23.6(0.95) | 23.1(0.84) | |
24.1(0.00) | 24.1(0.00) | 25.5(2.58) | 25.2(0.44) | 25.5(0.68) | 25.4(1.71) | 25.2(14.79) | 25.4(3.09) | 25.6(0.64) | 25.9(0.64) | 25.6(0.60) | |
Average PSNR | 26.00 (0.00) | 26.00 (0.00) | 26.88 (2.49) | 26.60 (0.43) | 26.85 (0.64) | 26.81 (1.69) | 26.72 (14.89) | 26.81 (3.09) | 27.10 (0.63) | 27.32 (0.63) | 26.99 (0.55) |
Scaling factor | x4 |
High-res. patch size | 12 x 12 |
Feature upsampling factor | 4 |
Feature dim. (original) | 576 |
Feature dim. (reduced) | 30 |
Dictionary size | 1024 |
Dictionary maximal sparsity | 3 |
Dictionary iterations | 20 |
Duration | 385.1 seconds |
# of images | 14 |
Interpolation Kernel | bicubic |