Simulation results, RGB outputs

PeakSNR [dB] (Running time [s])
OriginalBicubicGRANRZeyde et al.A+Our A+BOur A+AOur A+COur IA
37.1(0.00) 38.3(1.68) 38.4(2.34) 38.2(16.87) 38.5(2.41) 38.6(5.74) 38.6(3.06) 38.6(10.77) 38.7(18.04)
36.8(0.00) 39.0(0.52) 40.0(0.87) 39.9(4.98) 41.1(0.79) 41.2(1.98) 41.6(1.01) 42.1(4.65) 42.4(7.72)
27.4(0.00) 29.1(0.36) 30.5(0.66) 30.6(3.90) 32.0(0.74) 32.1(1.95) 32.7(0.93) 33.7(3.67) 33.8(5.40)
34.9(0.00) 35.6(0.48) 35.7(0.85) 35.6(5.97) 35.8(0.93) 35.8(2.22) 35.8(0.96) 35.8(3.72) 35.9(6.08)
32.1(0.00) 33.7(0.44) 34.5(0.85) 34.5(5.59) 35.3(0.97) 35.4(2.23) 35.7(1.03) 36.0(3.73) 36.1(6.09)
Average PSNR 33.66 (0.00) 35.13 (0.70) 35.83 (1.11) 35.78 (7.46) 36.55 (1.17) 36.60 (2.82) 36.89 (1.40) 37.25 (5.31) 37.39 (8.66)

Simulation parameters

Scaling factorx2
High-res. patch size6 x 6
Feature upsampling factor2
Feature dim. (original)144
Feature dim. (reduced)28
Dictionary size1024
Dictionary maximal sparsity3
Dictionary iterations20
Duration436.2 seconds
# of images5
Interpolation Kernelbicubic
19-Sep-2015 23:23:56