Table 3.
Description of the four matrices for the output images using reference images A and B along with the results of Kolmogorov-Smirnov test on 87 input images
| Parameter (n=87) | Mean±SD | P | D | |
|---|---|---|---|---|
| Reference image A | Reference image B | |||
| Difference in entropy from input image | 0.4258±0.32 | 0.1890±0.20 | 2.061e-08 | 0.45977 |
| EBCM | −0.14444±0.13 | 2.607±0.45 | 6.661e-16 | 1 |
| SSIM | 0.75168±0.24 | 0.65214±0.32 | 0.04801 | 0.2069 |
| AMBE | 2.65888±2.64 | 7.76460±6.58 | 2.776e-15 | 0.6092 |
SD: Standard deviation; EBCM: Edge-based contrast measure; SSIM: Structural similarity index measure; AMBE: Absolute mean brightness error