Simulation results

PeakSNR [dB] (Running time [s])
OriginalBicubicGRANRZeyde et al.A+Our A+BOur A+AOur A+COur IA
33.9(0.00) 34.9(1.00) 35.1(1.10) 35.1(7.00) 35.2(1.23) 35.2(3.31) 35.3(1.50) 35.2(3.95) 35.4(10.54)
32.6(0.00) 33.9(0.29) 34.6(0.50) 34.6(2.23) 35.5(0.41) 35.6(1.39) 36.0(0.50) 36.4(1.48) 36.6(3.99)
24.0(0.00) 25.0(0.22) 25.9(0.39) 25.9(1.72) 27.2(0.32) 27.3(1.14) 28.0(0.41) 28.6(1.26) 28.9(3.26)
32.9(0.00) 33.5(0.27) 33.6(0.47) 33.6(2.06) 33.8(0.40) 33.8(1.29) 33.9(0.48) 33.9(1.36) 34.0(3.83)
28.6(0.00) 29.7(0.26) 30.3(0.47) 30.4(2.13) 31.2(0.38) 31.3(1.27) 31.6(0.47) 32.0(1.41) 32.3(3.81)
Average PSNR 30.39 (0.00) 31.41 (0.41) 31.92 (0.59) 31.90 (3.03) 32.59 (0.55) 32.63 (1.68) 32.92 (0.67) 33.21 (1.89) 33.46 (5.09)

Simulation parameters

Scaling factorx3
High-res. patch size9 x 9
Feature upsampling factor3
Feature dim. (original)324
Feature dim. (reduced)30
Dictionary size1024
Dictionary maximal sparsity3
Dictionary iterations20
Duration251.9 seconds
# of images5
Interpolation Kernelbicubic
19-Sep-2015 23:26:13