Acta Photonica Sinica, Volume. 49, Issue 6, 0630004(2020)
Unsupervised Nearest Regularized Subspace Based on Spectral Space Reconstruction for Hyperspectral Anomaly Detection
Figures & Tables(17)
Fig. 1. Band trace curve and trace value matrix at different bands
Fig. 2. Comparison of band trace curve before and after denoising and noise map
Fig. 9. Detection results of four data sets under different window sizes
Fig. 10. Detection results of various detection algorithms in AVIRIS data
Fig. 11. Detection results of various detection algorithms in ROSIS data
Fig. 12. Detection results of various detection algorithms in Avon data
Fig. 13. Detection results of various detection algorithms in GF-5 data
Table 1. Detection results of four datasets at different σd parameters
View tableView in ArticleTable 1. Detection results of four datasets at different σd parameters
σ dAVIRIS ROSIS Avon GF-5 0.1 0.937 6 0.993 2 0.949 1 0.921 0 1 0.937 6 0.993 2 0.949 1 0.922 7 5 0.939 1 0.993 5 0.950 9 0.927 4 10 0.942 2 0.995 0 0.959 1 0.938 7 50 0.951 2 0.995 4 0.959 1 0.956 5 100 0.943 4 0.995 4 0.959 1 0.961 1
Table 2. Detection results of four datasets at different λ parameters
View tableView in ArticleTable 2. Detection results of four datasets at different λ parameters
λ AVIRIS ROSIS Avon GF-5 0.01 0.942 7 0.993 5 0.960 4 0.960 5 0.1 0.945 6 0.994 8 0.961 5 0.957 1 1 0.951 2 0.995 4 0.959 1 0.956 5 10 0.950 1 0.993 6 0.945 1 0.959 0 100 0.944 2 0.992 2 0.945 1 0.957 3 1 000 0.942 6 0.991 9 0.943 9 0.956 9
Table 3. Comparison of AUC and execution times of the different methods for four datasets
View tableView in ArticleTable 3. Comparison of AUC and execution times of the different methods for four datasets
GRX RSAD CRD UNRS LSADCRIDW UNRS-SSR AVIRIS AUC 0.833 4 0.916 5 0.948 5 0.984 3 0.984 6 0.996 2 Time/s 1.10 15.57 23.26 22.07 980.48 44.03 ROSIS AUC 0.991 6 0.980 8 0.911 7 0.899 2 0.978 6 0.999 5 Time/s 1.15 25.52 50.19 47.57 1 480.94 152.65 Avon AUC 0.925 2 0.953 3 0.959 5 0.977 8 0.9467 0.995 2 Time/s 8.37 442.21 161.61 171.58 2 194.29 314.34 GF-5 AUC 0.971 0 0.985 6 0.966 7 0.969 6 0.98 02 0.991 0 Time/s 1.19 22.18 23.73 22.10 993.51 98.31
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Zhi-wei WANG, Kun TAN, Xue WANG, Jian-wei DING, Yu CHEN. Unsupervised Nearest Regularized Subspace Based on Spectral Space Reconstruction for Hyperspectral Anomaly Detection[J]. Acta Photonica Sinica, 2020, 49(6): 0630004
Paper Information
Category: Spectroscopy
Received: Dec. 9, 2019
Accepted: Mar. 2, 2020
Published Online: Nov. 26, 2020
The Author Email: TAN Kun (tankuncu@126.com)
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