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Table 3 Evaluation results for the second test image (Fig. 3). The size of the original image was 4284×2844 pixels

From: Image enhancement using local intensity distribution equalization

Technique Entropy EBCM GradMag aPSNR Runtime Mem
    (×103)   (s)  
AHE 5.45 0.87 2.46 12.70 410.8 2.9 GB
LIDE-G 5.29 0.87 1.55 14.00 2.6 46 MB
LIDE-L 5.40 0.87 1.61 12.88 2.8 46 MB
LIDE-GMM 5.08 0.87 1.57 16.20 165.9 395 MB
LIDE-LMM 5.20 0.87 1.57 14.77 165.3 395 MB
HE 5.49 0.87 1.46 14.98 1.5  
DHE 4.95 0.87 1.10 18.05 1.6  
MHE 4.65 0.87 1.04 17.10 1.7  
ESIHE 5.15 0.87 1.21 15.65 1.8  
HEGMM 5.29 0.87 1.35 14.85 1.5  
BPHEME 4.74 0.84 1.01 19.46 1.8  
FHSABP 4.63 0.86 0.93 21.81 1.8