A Search Method for Optimal Band Combination of Hyperspectral Imagery Based on Two Layers Selection Strategy

Table 6

The execution time of algorithms under different conditions.

Data set		Algorithm
		Time (s)
		MVPCA	WaLuDi	DBSCAN	FDPC	LP	ISSC	TLS
Indian Pines	m = 10	1.87	47.55	7.51	6.86	22.66	4.37	10.01
	m = 30	1.94	49.37	8.82	7.46	24.3	5.29	11.7
	m = 50	2.05	50.87	10.16	7.91	26.84	5.76	12.24
PaviaU	m = 10	5.76	93.22	13.46	13.7	42.26	10.44	17.66
	m = 30	5.93	95.63	15.28	15.26	44.63	12.26	19.44
	m = 50	6.14	96.87	16.9	15.53	45.58	12.81	20.63
Salinas	m = 10	3.61	71.46	10.33	9.74	29.84	8.86	13.3
	m = 30	3.83	72.73	11.97	10.67	31.4	10.42	15.54
	m = 50	4.04	74.3	13.42	10.93	32.66	11.34	16.62