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Table 3 Comparison of objective evaluation: S-CIELAB Δ E

From: Color interpolation algorithm for an RWB color filter array including double-exposed white channel

Image No. CM1 CM2 CM3 CM4 PM
Captured img 1 13.500 6.854 9.068 6.792 3.946
2 16.642 8.882 13.194 9.884 5.903
3 9.466 5.324 6.804 4.580 3.251
4 18.804 13.493 15.592 13.947 7.839
5 14.044 7.825 9.947 7.468 4.553
Kodak test img 1 17.080 11.926 13.764 11.543 7.604
2 8.785 6.103 6.895 5.432 3.578
3 2.754 1.508 2.167 1.692 1.054
4 3.285 1.864 2.422 1.822 1.314
5 7.648 3.307 4.977 3.636 1.862
6 7.251 3.802 5.804 4.293 2.644
7 3.184 1.842 2.204 1.819 1.112
8 10.548 6.666 6.587 4.930 2.712
9 3.444 1.976 2.378 1.768 1.105
10 3.390 1.797 2.291 1.674 1.031
11 5.554 3.010 4.165 3.177 1.808
12 3.340 2.053 2.545 2.010 1.228
13 11.001 4.834 8.793 6.670 3.494
14 5.956 2.982 4.560 3.424 2.226
15 3.427 2.240 2.447 1.967 1.334
16 5.026 2.704 4.168 3.120 1.873
17 3.619 1.809 2.541 1.979 1.143
18 6.098 2.956 4.540 3.343 2.193
19 5.648 3.426 3.719 2.810 1.547
20 3.586 1.960 2.774 2.154 1.283
Avg. 5.409 2.921 3.953 2.972 1.762
  1. Boldface indicates the best results in each metric among PM and CMs