Adaptive Bright and Dark Channel Combined with Defogging Algorithm Based on Depth of Field

Table 2

Defogging evaluation indexes of several defogging algorithms.

Image	Defogging algorithms	PSNR	Mean; Gradient	Information entropy	SSIM		NIQE	BRISQUE
Image 1	He	10.1357	0.0263	6.8766	0.5862	1.7784	3.4024	18.8705
	MSR	15.0943	0.0194	7.1412	0.6800	0.1615	3.4159	28.6994
	Three-area	10.2196	0.0312	7.0154	0.5846	1.0736	3.4442	29.5627
	This paper	12.8986	0.0244	7.2291	0.7349	2.2603	4.2828	28.7157
Image 2	He	12.1694	0.0144	7.5352	0.7645	2.1924	3.9991	42.0466
	MSR	11.2837	0.0072	7.3140	0.7863	1.2204	6.1299	45.8880
	Three-area	12.3719	0.0109	7.3370	0.7745	1.1582	5.3956	41.7019
	This paper	12.9303	0.0137	7.2816	0.8188	2.8474	4.4764	41.9678
Image 3	He	9.6292	0.0934	7.0651	0.6339	0.2011	5.6333	30.4511
	MSR	12.4145	0.0704	7.2044	0.9188	0.1285	4.1773	28.3339
	Three-area	10.9292	0.0698	7.5335	0.6673	0.1665	4.2227	20.0357
	This paper	13.0165	0.0986	7.7875	0.8102	0.2387	3.7285	20.9386
Average of three images	He	10.6448	0.0447	7.1590	0.6615	1.3906	4.3449	30.4561
	MSR	12.9308	0.0323	7.2198	0.7950	0.5035	4.5744	34.3071
	Three-area	11.1736	0.0373	7.2953	0.6755	0.7994	4.3542	30.4334
	This paper	12.9485	0.0456	7.4327	0.7880	1.7821	4.1626	30.5407