Image Enhancement via Subimage Histogram Equalization Based on Mean and Variance

Table 5

Contrast calculated for the test images.

Image name	DSIHE	RMSHE	MMBEBHE	RSIHE	ESIHE	BHEMHB	Proposed
F16	69.73	68.86	69.98	68.82	69.28	69.07	70.15
Bridge	66.16	66.30	66.52	63.32	63.01	65.16	66.43
Couple	64.56	64.65	63.98	62.61	62.01	64.48	64.67
Fish	66.13	66.22	67.15	66.85	66.42	67.60	67.56
Lena	64.83	63.22	64.17	64.33	63.66	64.52	64.62
Plane	70.11	69.67	69.21	69.25	69.33	70.06	70.24