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

Table 4

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

r	Index	SVM	KELM	SVM-CK	KELM-CK	HiFi-we	MASR	BLS	BLS-LSDA
5	OA	81.4 ± 2.81	83.5 ± 2.29	84.5 ± 1.97	87.1 ± 3.81	86.9 ± 2.36	87.4 ± 2.38	88.1 ± 2.69	91.2 ± 1.22
	AA	88.9 ± 1.21	89.7 ± 1.21	90.0 ± 1.05	92.5 ± 2.30	92.5 ± 1.45	93.3 ± 0.89	93.8 ± 1.16	95.0 ± 0.69
	k	79.3 ± 3.05	81.7 ± 2.50	82.8 ± 2.16	85.7 ± 4.22	85.4 ± 2.59	86.0 ± 2.62	86.7 ± 3.00	90.2 ± 1.38
10	OA	85.6 ± 1.13	86.5 ± 1.73	88.3 ± 1.08	89.6 ± 2.91	88.9 ± 1.17	90.9 ± 1.48	92.8 ± 1.76	94.3 ± 0.51
	AA	91.6 ± 0.77	92.3 ± 1.06	92.7 ± 1.04	94.8 ± 0.97	94.3 ± 0.46	95.8 ± 0.64	96.6 ± 0.94	97.2 ± 0.25
	k	84.0 ± 1.24	85.0 ± 1.91	87.0 ± 1.20	88.5 ± 3.18	87.7 ± 1.28	89.8 ± 1.66	91.9 ± 1.98	93.6 ± 0.57
15	OA	86.1 ± 1.65	86.5 ± 0.88	89.6 ± 2.02	92.3 ± 2.29	90.5 ± 0.94	90.4 ± 1.16	93.7 ± 0.87	95.0 ± 0.91
	AA	92.4 ± 0.73	93.1 ± 0.57	94.0 ± 0.95	96.3 ± 1.27	95.0 ± 0.53	96.1 ± 0.60	97.0 ± 0.46	97.8 ± 0.42
	k	84.6 ± 1.82	85.0 ± 0.98	88.5 ± 2.23	91.4 ± 2.54	89.5 ± 1.05	89.3 ± 1.30	93.0 ± 0.98	94.4 ± 1.02
20	OA	87.0 ± 1.18	88.1 ± 0.59	92.0 ± 0.85	93.9 ± 0.92	90.8 ± 1.01	93.3 ± 1.24	93.9 ± 1.06	96.4 ± 0.45
	AA	93.2 ± 0.60	93.9 ± 0.58	95.8 ± 0.42	97.3 ± 0.49	95.3 ± 0.46	97.1 ± 0.61	97.4 ± 0.39	98.3 ± 0.36
	k	85.6 ± 1.29	86.8 ± 0.66	91.2 ± 0.94	93.2 ± 1.01	89.7 ± 1.11	92.5 ± 1.39	93.2 ± 1.18	96.0 ± 0.51
25	OA	88.2 ± 0.86	88.3 ± 1.04	93.0 ± 0.94	94.1 ± 1.53	92.2 ± 0.88	93.9 ± 1.13	94.5 ± 1.04	96.7 ± 0.68
	AA	93.6 ± 0.40	94.3 ± 0.33	96.4 ± 0.68	97.2 ± 0.69	96.1 ± 0.38	97.6 ± 0.34	97.7 ± 0.33	98.6 ± 0.25
	k	86.9 ± 0.94	87.0 ± 1.14	92.2 ± 1.04	93.4 ± 1.70	91.3 ± 0.97	93.2 ± 1.26	93.9 ± 1.16	96.4 ± 0.75
30	OA	88.2 ± 1.02	88.5 ± 0.56	93.1 ± 1.70	95.0 ± 1.22	92.4 ± 0.97	94.2 ± 1.19	94.7 ± 0.89	97.1 ± 0.88
	AA	93.9 ± 0.76	94.5 ± 0.29	96.4 ± 0.67	97.9 ± 0.42	96.3 ± 0.33	97.6 ± 0.38	97.7 ± 0.31	98.8 ± 0.29
	k	86.9 ± 1.13	87.2 ± 0.61	92.3 ± 1.88	94.4 ± 1.35	91.5 ± 1.08	93.5 ± 1.32	94.1 ± 0.99	96.8 ± 0.98
35	OA	88.4 ± 1.25	88.7 ± 0.85	93.4 ± 1.23	95.5 ± 0.97	92.7 ± 1.06	94.7 ± 0.92	95.0 ± 0.72	97.4 ± 0.39
	AA	94.2 ± 0.66	94.6 ± 0.65	96.8 ± 0.53	98.1 ± 0.35	96.4 ± 0.50	97.9 ± 0.30	97.9 ± 0.30	98.9 ± 0.14
	k	87.1 ± 1.37	87.5 ± 0.95	92.6 ± 1.37	95.0 ± 1.07	91.8 ± 1.18	94.1 ± 1.03	94.5 ± 0.81	97.1 ± 0.43
40	OA	89.1 ± 1.10	88.9 ± 0.99	93.7 ± 1.46	96.3 ± 0.39	92.9 ± 0.54	95.9 ± 0.50	95.2 ± 0.64	98.0 ± 0.43
	AA	94.6 ± 0.36	94.9 ± 0.42	97.0 ± 0.92	98.3 ± 0.13	96.4 ± 0.23	98.3 ± 0.21	97.9 ± 0.28	99.1 ± 0.18
	k	87.9 ± 1.22	87.6 ± 1.10	92.9 ± 1.63	95.9 ± 0.43	92.1 ± 0.60	95.4 ± 0.56	94.7 ± 0.72	97.7 ± 0.48