CNN-Enabled Visibility Enhancement Framework for Vessel Detection under Haze Environment

Table 3

NIQE comparison of various image enhancement methods on all test images shown in Figure 6. The best results are highlighted in bold.

	DCP	GRM	HL	F-LDCP	MSCNN	AOD-Net	GCA-Net	Ours
Image 7	5.448	5.780	5.296	5.932	6.224	7.220	5.080	5.057
Image 8	5.525	10.297	4.961	5.868	5.826	5.716	5.694	5.122
Image 9	4.856	5.281	5.204	5.330	5.255	5.409	4.626	5.103
Average	5.276 ± 0.299	7.119 ± 2.299	5.154 ± 0.141	5.710 ± 0.270	5.768 ± 0.398	6.115 ± 0.792	5.133 ± 0.438	5.094 ± 0.027