From: A non-convex gradient fidelity-based variational model for image contrast enhancement
Method
AMBEN
DEN
CMN
HE
0.1034
0.4496
0.5253
2DHE
0.2052
0.4822
0.5263
AR
0.4986
0.4296
0.5290
MCE
0.4982
0.4624
0.5636
NGF
0.5051
0.6862
0.5405