Wei Yi, Yong Zeng, Zheng Yuan. Fusion of GF-3 SAR and Optical Images Based on the Nonsubsampled Contourlet Transform[J]. Acta Optica Sinica, 2018, 38(11): 1110002
- Acta Optica Sinica
- Vol. 38, Issue 11, 1110002 (2018)
Fig. 1. Original images. (a) 3 m SAR image; (b) 16 m multi-spectral images; (c) 5 m SAR image; (d) 16 m multi-spectral image
Fig. 2. Flow chart of the research process
Fig. 3. Diagram of the NSCT filter structure
Fig. 4. Average NSCT image simulation process
Fig. 5. NSCT average image simulation process
Fig. 6. Fusion results of 3 m SAR and 16 m multi-spectral images. (a) Brovey-SAR; (b) IHS-SAR; (c) PCA-SAR; (d) SVR-SAR; (e) Brovey-average NSCT; (f) IHS-average NSCT; (g) PCA-average NSCT; (h) SVR-average NSCT; (i) Brovey-NSCT average; (j) IHS-NSCT average; (k) PCA-NSCT average; (l) SVR-NSCT average
Fig. 7. Fusion results of 5 m SAR and 16 m multi-spectral images. (a) Brovey-SAR; (b) IHS-SAR; (c) PCA-SAR; (d) SVR-SAR; (e) Brovey-average NSCT; (f) IHS-average NSCT; (g) PCA-average NSCT; (h) SVR-average NSCT; (i) Brovey-NSCT average; (j) IHS-NSCT average; (k) PCA-NSCT average; (l) SVR-NSCT average
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Table 1. Data information
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Table 2. Objective evaluation of 3 m SAR and 16 m multi-spectral image fusion
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Table 3. Objective evaluation of 5 m SAR and 16 m multi-spectral image fusion
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