Regional Atmospheric Light Optimisation Algorithm for Heterogeneous Image Dehazing

Table 1

SSIM/PSNR performance of different methods on the O-HAZE dataset and NTIRE dataset.

Index	Metrics	DCP	Meng	Fattal	Berman	AOD	DehazeNet	IDE	Our
O-Haze; -01	PSNR	17.0322	20.0174	17.0816	17.5378	11.6131	13.7935	18.3342	23.4737
	SSIM	0.5734	0.6847	0.6365	0.6477	0.4740	0.3858	0.6763	0.7189
O-Haze; -11	PSNR	19.0962	20.5596	18.1265	17.1912	11.5011	13.3388	19.8388	22.1190
	SSIM	0.5108	0.6214	0.5275	0.5733	0.3655	0.6232	0.7141	0.6111
O-Haze; -12	PSNR	20.5862	22.5818	18.4336	20.6551	14.5371	14.3256	18.2861	23.8214
	SSIM	0.7250	0.7441	0.6732	0.7396	0.6286	0.1660	0.7336	0.7423
O-Haze; -31	PSNR	20.9985	20.2618	21.1603	21.1059	15.6592	19.0675	22.2526	28.1259
	SSIM	0.7381	0.7429	0.7426	0.7381	0.7005	0.6599	0.7529	0.8289
O-Haze; -33	PSNR	25.0917	22.6296	18.3985	19.2103	15.8634	17.9752	16.1411	26.0924
	SSIM	0.7545	0.6529	0.6885	0.5917	0.6765	0.5841	0.6058	0.7213
O-Haze; -41	PSNR	19.1044	19.2961	17.1685	21.1482	14.8864	21.394	22.0644	22.4768
	SSIM	0.7054	0.7196	0.7490	0.7883	0.7257	0.5718	0.8063	0.7990
NTIRE; -02	PSNR	17.1174	17.9890	17.0191	14.7812	9.5366	10.1905	19.2308	19.6378
	SSIM	0.6846	0.7809	0.8253	0.5975	0.7959	0.7722	0.8509	0.7995
NTIRE; -07	PSNR	20.8645	20.3936	18.8785	15.7877	11.1128	10.9838	14.9667	20.6927
	SSIM	0.7784	0.8006	0.7396	0.6092	0.7126	0.6590	0.7141	0.7982
NTIRE; -09	PSNR	16.4644	16.0113	15.6139	17.0456	9.0514	7.1131	16.6816	20.3326
	SSIM	0.5138	0.5621	0.5969	0.6941	0.6197	0.5017	0.6608	0.6637

Our proposed method outperforms the others. The bold values represent the best performance of all candidate algorithms.