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Table 5 Evaluation results for the fourth test image (Fig. 6). The size of the original image was 3068×2048 pixels

From: Image enhancement using local intensity distribution equalization

Technique Entropy EBCM GradMag aPSNR Runtime Mem
    (×103)   (s)  
AHE 5.46 0.81 3.02 12.52 180.2 1.5 GB
LIDE-G 5.32 0.81 2.17 13.28 2.0 24 MB
LIDE-L 5.41 0.81 2.31 12.11 1.8 24 MB
LIDE-GMM 5.11 0.81 2.17 15.75 94.3 204 MB
LIDE-LMM 5.31 0.81 2.21 14.12 97.9 204 MB
HE 5.52 0.81 1.96 13.49 0.8  
DHE 5.11 0.81 1.67 15.94 0.8  
MHE 4.91 0.81 1.45 17.40 0.8  
ESIHE 5.41 0.81 1.81 13.88 0.9  
HEGMM 5.43 0.81 1.91 13.70 0.9  
BPHEME 4.97 0.78 1.59 15.72 1.0  
FHSABP 4.89 0.79 1.41 18.65 0.8