Multiscale Fusion Method for the Enhancement of Low-Light Underwater Images

Table 2

Quantitative comparison with DCP, UDCP, IBLA, RGHS, ULAP, and ours.

	DCP		UDCP		IBLA		RGHS		ULAP		OURS
	PCQI	UIQM	PCQI	UIQM	PCQI	UIQM	PCQI	UIQM	PCQI	UIQM	PCQI	UIQM
Rock1	0.771	1.077	0.527	1.761	0.970	1.242	0.775	1.227	0.854	1.499	1.014	1.547
Rock2	0.769	1.388	0.704	1.758	0.923	1.384	1.038	1.483	1.020	1.511	1.096	1.661
Fish1	0.918	1.021	0.660	1.313	0.684	1.378	1.009	1.091	0.984	1.007	1.094	1.106
Fish2	0.779	0.706	0.703	1.041	0.976	0.925	0.956	0.812	0.967	0.914	0.990	1.033
Fish3	1.032	0.926	0.566	1.565	1.140	1.107	1.114	1.175	1.104	1.313	1.250	1.372
Shipwreck1	0.904	1.178	0.612	1.560	0.841	1.427	0.971	1.288	1.039	1.225	1.158	1.320
Shipwreck2	0.733	0.869	0.598	1.534	0.780	0.976	0.957	1.108	0.832	1.150	1.029	1.489
Shipwreck3	1.013	0.851	0.721	1.606	1.047	0.931	1.076	0.908	1.026	1.239	1.106	1.224
Average	0.865	1.002	0.636	1.517	0.920	1.171	0.987	1.137	0.978	1.232	1.092	1.344