Fig. 1. The framework of the proposed model
Fig. 2. (a) The original remote sensing image, (b) weighting factor image in Eq. 8, (c) the smooth part, (d) the high frequency part, (e) weighting factor image in Eq. 9, (f) edge weighting image in Eq. 10
Fig. 3. Destriped results of AGRI band 11 subimage (a) original image, (b) WFAF, (c) SLD, (d) UTV, (e) proposed method
Fig. 4. Mean line profiles for images shown in Fig. 3, (a) WFAF, (b) SLD, (c) UTV, (d) proposed method
Fig. 5. Column-averaged power spectrum for images shown in Fig. 3 (a) original image, (b) WFAF, (c) SLD, (d) UTV, (e) proposed method
Fig. 6. Destriped results of AGRI band 11 subimage, (a) original image, (b) WFAF, (c) SLD, (d) UTV, (e) proposed method
Fig. 7. The extracted stripe components of different algorithms (a) WFAF, (b) SLD, (c) UTV, (d) proposed method
Fig. 8. Mean line profiles for images shown in Fig. 6 (a) WFAF, (b) SLD, (c) UTV, (d) proposed method
Fig. 9. Column-averaged power spectrum for images shown in Fig. 6, (a) original image, (b) WFAF, (c) SLD, (d) UTV, (e) proposed method
Fig. 10. (a) Reference image, (b) simulated stripe image
Fig. 11. (a) The PSNR curve with as independent variable, (b) The PSNR curve with as independent variable
Fig. 12. Processing results of different parameters
Fig. 13. Processing results of different parameters
Fig. 14. Destriping result of AGRI band 9 images with the proposed algorithm
Fig. 15. Destriping result of AGRI band 10 images with the proposed algorithm
Fig. 16. Destriping result of AGRI band 14 images with the proposed algorithm
1:Input:Stripe image f,parameters ,,,,, and . |
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2:Initialize:Set ,,,,,,and . | 3:Solve by(10) | 4:While and do | 5:Solve ,, using a thresholding method by(14),(17),(19) | 6:Solve using FFT by(21) | 7:Update ,,and by(22) | 8: End while | 9:Output:. |
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Table 1. The proposed destriping algorithm
No. | Central Band /μm | Spectral Band /μm | Spatial Resolution | Number of pixels | Main Application |
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9 | 6.25 | 5.80∼6.70 | 4 km | 4*1 | upper-level water vapor | 10 | 7.10 | 6.90∼7.30 | 4 km | 4*1 | mid-level water vapor | 11 | 8.50 | 8.00∼9.00 | 4 km | 4*1 | integrated water vapor,cloud | 14 | 13.50 | 13.20∼13.80 | 4 km | 4*1 | cloud,water vapor |
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Table 2. Spectral parameters
Image | Index | WFAF | SLD | UTV | Proposed |
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AGRI band 11 Periodical stripes noise | NR | 10.06 | 10.78 | 12.93 | 13.67 | MRD(%) | 1.781 7 | 0.734 2 | 4.033 4 | 0.875 1 | ID | 0.987 8 | 0.999 9 | 0.857 0 | 0.998 4 | AGRI band 14 Random stripe noise | NR | 7.830 2 | 6.400 5 | 5.316 5 | 8.365 9 | MRD(%) | 3.086 2 | 3.303 6 | 4.778 2 | 3.065 3 | ID | 0.945 5 | 0.999 9 | 0.985 1 | 0.998 8 |
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Table 3. Qualitative results using NR, MRD and ID