Table 2.

Accuracy assessment on the extraction results.

Study Area	Index	Luojia 1-01	LJ- VANUI	LJ- PLANUI	NPP/VIIRS	NPP- VANUI	NPP- PLANUI
	Precision	0.73	0.74	0.81	0.78	0.79	0.81
Nanjing	Recall	0.63	0.64	0.70	0.67	0.68	0.71
	F1-score	0.68	0.69	0.75	0.72	0.73	0.76
Main	Precision	0.84	0.84	0.88	0.82	0.82	0.87
urban	Recall	0.77	0.78	0.86	0.85	0.85	0.88
area	F1-score	0.80	0.81	0.87	0.84	0.84	0.87
	Precision	0.79	0.79	0.82	0.74	0.78	0.80
Liuhe	Recall	0.63	0.65	0.83	0.65	0.68	0.86
	F1-score	0.70	0.71	0.83	0.69	0.73	0.83
	Precision	0.89	0.90	0.91	0.89	0.92	0.91
Pukou	Recall	0.67	0.69	0.85	0.76	0.76	0.87
	F1-score	0.76	0.78	0.88	0.82	0.83	0.89
	Precision	0.69	0.71	0.89	0.76	0.79	0.89
Lishui	Recall	0.52	0.53	0.63	0.46	0.48	0.59
	F1-score	0.60	0.61	0.74	0.58	0.60	0.71
	Precision	0.66	0.64	0.88	0.62	0.73	0.88
Gaochun	Recall	0.46	0.47	0.51	0.13	0.23	0.39
	F1-score	0.54	0.54	0.64	0.22	0.34	0.55