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Table 7 Comparison of the standard deviation σ, the mean μ, and the entropy \(\mathcal {H}\) of the original and processed “street” images

From: A generalized gamma correction algorithm based on the SLIP model

  Original SLIP SLIP SLIP LCS CLAHE LCC AGC PLR
   γ=0.8γ 0 γ=γ 0 γ=1.2γ 0      
σ 0.2909 0.2063 0.2345 0.2578 0.2936 0.2853 0.2261 0.3410 0.2641
μ 0.3126 0.3653 0.3474 0.3329 0.3500 0.3939 0.3936 0.4416 0.3940
\(\mathcal {H}\) 7.2757 7.2092 7.3018 7.3219 7.2224 7.7104 7.4865 7.4435 7.4535