Hyperspectral Image Classification via Multiple-Feature-Based Improved Sparse Representation

Fig. 5. Classification maps of different methods on Salinas dataset. (a) SVM; (b) SRC_Spectral; (c) SRC_Gabor; (d) SRC_LBP; (e) CRC_Spectral; (f) CRC_Gabor; (g) CRC_LBP; (h) MFISR

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Fig. 6. Image of Indian Pines. (a) Pseudo-color image; (b) ground truth image

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Fig. 7. Classification maps of different methods on Indian Pines dataset. (a) SVM; (b) SRC_Spectral; (c) SRC_Gabor; (d) SRC_LBP; (e) CRC_Spectral; (f) CRC_Gabor; (g) CRC_LBP; (h) MFISR

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Table 1. Training and test sample distributions of different class labels in Salinas dataset

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Table 1. Training and test sample distributions of different class labels in Salinas dataset

No.	Class	Training	Test
1	Brocoli_green_weeds_1	41	1968
2	Brocoli_green_weeds_2	75	3651
3	Fallow	40	1936
4	Fallow_rough_plow	28	1366
5	Fallow_smooth	54	2624
6	Stubble	80	3879
7	Celery	72	3507
8	Grapes_untrained	226	11045
9	Soil_vinyard_develop	125	6078
10	Corn_senesced_green_weeds	66	3212
11	Lettuce_romaine_4wk	22	1046
12	Lettuce_romaine_5wk	39	1888
13	Lettuce_romaine_6wk	19	897
14	Lettuce_romaine_7wk	22	1048
15	Vinyard_untrained	146	7122
16	Vinyard_vertical_trellis	37	1770
Total		1092	53037

Table 2. Classification accuracies of different methods on Salinas dataset

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Table 2. Classification accuracies of different methods on Salinas dataset

No.	SVM	SRC_Spectral	SRC_Gabor	SRC_LBP	CRC_Spectral	CRC_Gabor	CRD_LBP	MFISR (Spectral Value+Gabor+LBP)
1	0.9563	0.8301	1	1	0.9918	0.9969	1	1
2	0.9726	0.9945	0.9978	0.9997	0.9703	0.9817	0.9989	1
3	0.8657	0.9770	0.9847	0.9938	0.9890	1	0.9954	1
4	0.9810	0.9941	0.9770	0.9020	0	0	0.8713	0.9109
5	0.9501	0.9926	0.9908	0.9767	0.5407	0.5306	0.9778	0.9519
6	0.9773	0.9943	0.9985	0.9922	0.9852	0.9888	0.9891	0.9809
7	0.9855	0.9864	0.9909	0.9923	0.9211	0.9372	0.9872	0.9991
8	0.8050	0.7934	0.8096	0.9995	0.6332	0.6315	0.9954	0.9968
9	0.9595	0.9932	0.9869	0.9975	0.7095	0.6796	0.9984	1
10	0.7883	0.9535	0.9478	0.9900	0.8268	0.8792	0.9872	0.9981
11	0.8203	0.9894	0.9311	0.9715	0.9419	0.9509	0.9581	0.9839
12	0.9529	0.9661	0.9697	0.9700	0.9655	0.8923	0.9721	0.9951
13	0.9588	0.9601	0.9310	0.9404	0	0	0.9100	0.8967
14	0.8664	0.9632	0.9615	0.9561	0.5205	0.5219	0.9324	0.9538
15	0.4985	0.7433	0.7863	0.9960	0.7073	0.7551	0.9947	0.9942
16	0.8254	0.9886	0.9948	1	0.9994	1	1	1
OA	0.8462	0.9068	0.9206	0.9898	0.7532	0.7508	0.9860	0.9890
AA	0.8852	0.9450	0.9537	0.9799	0.7314	0.7341	0.9730	0.9788

Table 3. Training and test sample distributions of different class labels in Indian Pines dataset

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Table 3. Training and test sample distributions of different class labels in Indian Pines dataset

No.	Class	Training	Test
1	Alfalfa	5	41
2	Corn-notill	143	1285
3	Corn-mintill	83	747
4	Corn	24	213
5	Grass-pasture	49	434
6	Grass-trees	73	657
7	Grass-pasture-mowed	3	25
8	Hay-windrowed	48	430
9	Oats	2	18
10	Soybean-notill	97	875
11	Soybean-mintill	246	2209
12	Soybean-clean	60	533
13	Wheat	21	184
14	Woods	127	1138
15	Buildings-grass-trees-drives	39	347
16	Stone-steel-towers	10	83
Total		1030	9219

Table 4. Classification accuracies of different methods on Indian Pines dataset

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Table 4. Classification accuracies of different methods on Indian Pines dataset

No.	SVM	SRC_Spectral	SRC_Gabor	SRC_LBP	CRC_Spectral	CRC_Gabor	CRC_LBP	MFISR (Spectral Value+Gabor+LBP)
1	0.7917	0.8947	0.9500	1	0	0	1	1
2	0.8070	0.8328	0.9030	0.9750	0.6468	0.6686	0.9641	0.9793
3	0.6720	0.8048	0.8643	0.9986	0.6352	0.7774	0.9901	0.9853
4	0.6381	0.6376	0.7828	0.9130	0	0	0.8787	1
5	0.8993	0.9486	0.9769	0.9824	0.9503	0.9932	0.9889	0.9823
6	0.9598	0.8997	0.9395	0.9985	0.7344	0.7616	0.9970	0.9868
7	0.8696	1	1	1	0	0	1	1
8	0.9705	0.9500	0.9731	1	0.8318	0.8286	1	1
9	0.4444	0.8333	0.9375	0.8500	0	0	0.9412	1
10	0.6693	0.8080	0.8801	1	0.7727	0.7857	0.9951	0.9783
11	0.7384	0.8366	0.9041	0.9955	0.5081	0.5436	0.9941	0.9933
12	0.7572	0.8505	0.9245	0.9768	0.8480	0.8532	0.9572	0.9835
13	0.9842	0.9643	0.9947	1	0.9895	1	1	1
14	0.9296	0.9269	0.9339	0.9915	0.8471	0.8691	0.9906	0.9890
15	0.6257	0.8354	0.8352	0.9688	0.9012	0.9524	0.9660	1
16	0.8824	0.9551	1	0.9412	0.9048	0.9710	0.9195	0.9753
OA	0.7957	0.8588	0.9115	0.9877	0.6593	0.6955	0.9825	0.9879
AA	0.7899	0.7997	0.8906	0.9652	0.7975	0.6253	0.9739	0.9908

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Feiyan Li, Hongtao Huo, Jing Li, Jie Bai. Hyperspectral Image Classification via Multiple-Feature-Based Improved Sparse Representation[J]. Acta Optica Sinica, 2019, 39(5): 0528004

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Paper Information

Category: Remote Sensing and Sensors

Received: Aug. 13, 2018

Accepted: Feb. 19, 2019

Published Online: May. 10, 2019

The Author Email:

DOI:10.3788/AOS201939.0528004

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