Author Affiliations
1 Department of Artificial Intelligence and Data Mining, School of Computer Science and Information Engineering, Hefei University of Technology, Hefei, Anhui 230601, China2 Anhui Provincial Key Laboratory of Industry Safety and Emergency Technology, Hefei University of Technology, Hefei, Anhui 230601, China3 School of Computer Science and Technology, Hefei Normal University, Hefei, Anhui 230601, Chinashow less
Fig. 1. Procedure of SSPP-CNMF algorithm
Fig. 2. Hyperspectral images. (a) Fractal1; (b) Jasper; (c) Cuprite
Fig. 3. Jasper ground truths (GT) and endmember results obtained by proposed algorithm. (a) Tree; (b) soil; (c) water; (d) road
Fig. 4. Ground truths of Jasper abundance. (a) Water; (b) soil; (c) road; (d) tree
Fig. 5. Jasper abundances estimated by VCA algorithm. (a) Water; (b) soil; (c) road; (d) tree
Fig. 6. Jasper abundances estimated by CoNMF algorithm. (a) Water; (b) soil; (c) road; (d) tree
Fig. 7. Jasper abundances estimated by MVC-NMF algorithm. (a) Water; (b) soil; (c) road; (d) tree
Fig. 8. Jasper abundances estimated by SSPP-VCA algorithm. (a) Water; (b) soil; (c) road; (d) tree
Fig. 9. Jasper abundances estimated by SSPP-CNMF algorithm. (a) Water; (b) soil; (c) road; (d) tree
Fig. 10. Fractal1 abundances estimated by SSPP-CNMF algorithm. (a) Halloysite; (b) Nontronite; (c) Kaolinite CM9; (d) Sphene; (e) Muscovite; (f) Kaolinite KGa1; (g) Dumortierite; (h) Pyrophyllite; (i) Alunite
Fig. 11. Fractal1 ground truth and endmember spectra estimated by SSPP-CNMF algorithm. (a) Dumortierite; (b) Halloysite; (c) Kaolinite CM9; (d) Kaolinite KGa1; (e) Muscovite; (f) Nontronite; (g) Pyrophyllite; (h) Sphene
Fig. 12. Cuprite abundances estimated by SSPP-CNMF algorithm. (a) Endmember 1;(b) Endmember 2; (c) Endmember 3; (d) Endmember 4; (e) Endmember 5; (f) Endmember 6; (g) Endmember 7; (h) Endmember 8; (i) Endmember 9; (j) Endmember 10; (k) Endmember 11; (l) Endmember 12
Hyperspectral datasets | SNR /dB | SAD /10-2 |
---|
VCA | MVSA | MVC-NMF | CoNMF | SSPP-VCA | Ours |
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Fractal1 | 30 | 20.32 | 22.46 | 17.51 | 9.68 | 11.37 | 9.31 | Jasper | | 41.63 | 28.42 | 24.42 | 29.43 | 12.82 | 12.71 | Cuprite | | 25.08 | 12.42 | 20.22 | 19.71 | 13.32 | 13.22 |
|
Table 1. Comparison of SAD of different hyperspectral unmixing algorithms
Hyperspectral datasets | SNR /dB | RMSE /10-2 |
---|
VCA | MVSA | MVC-NMF | CoNMF | SSPP-VCA | Ours |
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Fractal1 | 30 | 24.19 | 22.71 | 15.37 | 10.68 | 13.44 | 10.52 | Jasper | | 36.61 | 38.81 | 19.75 | 26.72 | 19.39 | 18.78 | Cuprite | | — | — | — | — | — | — |
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Table 2. Comparison of RMSE of different hyperspectral unmixing algorithms