Weak-Light Image Enhancement Method Based on Adaptive Local Gamma Transform and Color Compensation

Table 2

The assessment results on the images in Figure 17.

		CegaHE	CVC	LDR	DCP	EFF	MSRCP	SRIE	Our method
Group 1	MSE	839.31	4554.18	732.72	873.17	1292.50	1131.82	1135.16	368.12
	PSNR	18.89	11.55	19.48	18.72	17.02	17.59	17.58	22.47
	SSIM	0.82	0.74	0.85	0.83	0.86	0.82	0.80	0.95
Group 2	MSE	1212.11	1389.11	695.13	976.86	427.98	1167.74	1184.34	683.90
	PSNR	17.30	16.70	19.71	18.23	21.82	17.46	17.40	19.78
	SSIM	0.90	0.93	0.93	0.90	0.96	0.88	0.92	0.96
Group 3	MSE	712.05	3084.25	487.98	453.46	1172.70	712.31	588.00	142.47
	PSNR	19.61	13.24	21.25	21.57	17.44	19.60	20.44	26.59
	SSIM	0.80	0.77	0.86	0.85	0.87	0.86	0.88	0.95
Group 4	MSE	914.60	1518.88	1193.66	672.35	685.98	992.04	1105.18	748.61
	PSNR	18.52	16.32	17.36	19.85	19.77	18.17	17.70	19.39
	SSIM	0.89	0.88	0.89	0.91	0.93	0.88	0.90	0.95
Groupe5	MSE	1016.39	3160.82	1106.58	492.06	651.73	1061.99	655.86	478.82
	PSNR	18.06	13.13	17.69	21.21	19.99	17.87	19.96	21.33
	SSIM	0.81	0.78	0.83	0.82	0.90	0.83	0.89	0.96