Table 5 Comparison of the standard deviation σ, the mean μ, and the entropy \(\mathcal {H}\) of the original and processed church images
From: A generalized gamma correction algorithm based on the SLIP model
| Â | Original | SLIP | SLIP | SLIP | LCS | CLAHE | LCC | AGC | PLR |
|---|---|---|---|---|---|---|---|---|---|
|  |  | γ=2 | γ=5 | γ=7 |  |  |  |  |  |
σ | 0.1304 | 0.2201 | 0.2801 | 0.3157 | 0.2748 | 0.1406 | 0.1014 | 0.1790 | 0.2216 |
μ | 0.6120 | 0.5070 | 0.5002 | 0.5962 | 0.5215 | 0.6143 | 0.5768 | 0.7587 | 0.4739 |
\(\mathcal {H}\) | 6.5303 | 7.1614 | 7.2232 | 7.2027 | 7.3673 | 6.9686 | 6.4854 | 6.7082 | 7.0828 |