Broad Learning System with Locality Sensitive Discriminant Analysis for Hyperspectral Image Classification

Table 2

Results of classification accuracy (%) under different numbers of labeled training samples per class of the Indian Pines dataset

r	Index	SVM	KELM	SVM-CK	KELM-CK	HiFi-We	MASR	BLS	BLS-LSDA
5	OA	44.6 ± 3.94	48.1 ± 4.09	59.0 ± 3.17	65.5 ± 4.42	72.2 ± 4.12	66.7 ± 4.14	72.0 ± 3.17	75.4 ± 3.22
	AA	59.4 ± 2.41	60.5 ± 2.73	71.9 ± 3.83	78.6 ± 2.30	83.0 ± 2.67	80.9 ± 1.86	82.7 ± 1.77	84.0 ± 2.03
	k	38.5 ± 4.04	42.0 ± 4.31	54.2 ± 3.57	61.4 ± 4.57	68.7 ± 4.52	60.2 ± 5.07	66.6 ± 3.92	70.8 ± 3.97
10	OA	53.9 ± 4.31	57.7 ± 1.73	70.2 ± 4.55	79.2 ± 2.76	81.6 ± 2.26	80.2 ± 2.66	83.7 ± 2.41	85.6 ± 1.61
	AA	67.2 ± 2.72	68.9 ± 1.17	82.3 ± 2.48	88.1 ± 1.65	89.7 ± 0.89	89.5 ± 1.14	90.7 ± 1.23	91.7 ± 0.79
	k	48.5 ± 4.69	52.5 ± 1.93	66.6 ± 4.99	76.5 ± 3.08	79.2 ± 2.49	76.9 ± 3.18	81.0 ± 2.86	83.2 ± 1.92
15	OA	59.6 ± 2.80	60.6 ± 2.12	77.4 ± 1.96	83.2 ± 1.59	86.0 ± 3.06	84.6 ± 1.62	85.2 ± 1.48	88.0 ± 2.21
	AA	71.5 ± 1.63	72.9 ± 0.90	86.9 ± 1.41	91.2 ± 0.86	92.6 ± 1.36	91.6 ± 0.83	92.0 ± 0.90	93.2 ± 1.12
	k	54.7 ± 3.03	55.9 ± 2.26	74.6 ± 2.19	81.1 ± 1.77	84.2 ± 3.39	82.0 ± 1.89	82.8 ± 1.74	86.0 ± 2.59
20	OA	61.8 ± 2.60	64.1 ± 1.70	82.1 ± 2.32	87.6 ± 0.91	87.7 ± 1.43	88.5 ± 1.93	88.9 ± 1.48	90.1 ± 2.06
	AA	73.0 ± 1.86	75.5 ± 1.39	90.0 ± 0.87	93.7 ± 0.69	93.6 ± 0.77	94.2 ± 0.89	93.6 ± 0.96	94.0 ± 1.37
	k	57.1 ± 2.82	59.7 ± 1.87	79.7 ± 2.55	85.9 ± 1.03	80.0 ± 1.61	86.7 ± 2.26	87.1 ± 1.74	88.6 ± 2.42
25	OA	64.4 ± 1.75	67.5 ± 1.71	84.4 ± 1.55	89.4 ± 1.50	89.7 ± 2.32	90.5 ± 1.01	89.9 ± 2.13	91.7 ± 1.86
	AA	75.8 ± 1.25	77.7 ± 0.87	91.4 ± 0.89	94.6 ± 0.78	94.9 ± 0.79	95.3 ± 0.47	94.5 ± 0.84	95.5 ± 0.89
	k	60.1 ± 1.92	63.4 ± 1.81	81.5 ± 1.63	88.0 ± 1.70	88.3 ± 2.57	89.0 ± 1.17	88.3 ± 2.50	90.4 ± 2.17
30	OA	66.9 ± 1.51	69.3 ± 1.30	85.6 ± 1.45	91.3 ± 1.62	92.0 ± 0.97	91.8 ± 1.45	90.5 ± 2.22	93.3 ± 1.22
	AA	78.2 ± 1.34	79.5 ± 0.82	92.6 ± 0.74	95.7 ± 0.73	95.9 ± 0.57	96.0 ± 0.59	94.9 ± 1.26	96.4 ± 0.45
	k	62.9 ± 1.47	65.8 ± 1.64	83.7 ± 1.64	90.0 ± 1.83	90.9 ± 1.09	90.5 ± 1.68	89.0 ± 2.61	92.2 ± 1.41
35	OA	68.7 ± 2.16	71.7 ± 1.52	86.6 ± 1.08	91.6 ± 1.57	92.6 ± 1.15	93.0 ± 0.78	91.0 ± 1.04	93.5 ± 1.04
	AA	78.6 ± 1.90	80.9 ± 0.91	93.1 ± 0.89	96.1 ± 0.76	95.9 ± 1.66	96.2 ± 0.28	95.3 ± 0.40	96.5 ± 0.72
	k	64.8 ± 2.35	68.1 ± 1.71	84.8 ± 1.21	90.4 ± 1.78	91.5 ± 1.30	91.9 ± 0.91	89.6 ± 1.22	92.5 ± 1.21
40	OA	70.1 ± 1.48	72.1 ± 1.98	89.1 ± 1.28	93.4 ± 0.87	93.1 ± 1.10	94.0 ± 0.66	91.7 ± 1.11	94.2 ± 0.95
	AA	81.2 ± 3.46	81.1 ± 1.27	94.4 ± 0.66	96.9 ± 0.35	96.3 ± 0.57	97.3 ± 0.29	95.8 ± 0.48	97.0 ± 0.49
	k	66.3 ± 1.63	68.5 ± 2.21	87.6 ± 1.46	92.5 ± 0.98	92.1 ± 1.24	93.1 ± 0.77	90.3 ± 1.29	93.3 ± 1.10