Image Enhancement via Subimage Histogram Equalization Based on Mean and Variance

Table 4

AMBE calculated for the test images.

Image name	DSIHE	RMSHE	MMBEBHE	RSIHE	ESIHE	BHEMHB	Proposed
F16	20.2554	5.7030	0.4496	6.4810	2.8740	1.3340	0.1322
Bridge	2.3752	3.6479	2.1850	3.6592	3.7860	2.3750	3.5623
Couple	4.0264	11.9858	0.7215	5.0718	2.1570	0.5652	2.2811
Fish	9.5402	11.7333	8.2674	3.7260	3.8960	4.5760	3.3199
Lena	6.0463	10.3377	0.8662	5.1090	2.5310	2.4650	0.8474
Plane	16.6670	13.2179	3.3521	13.1660	11.2240	8.1610	4.6093