Jiaxun LI, Can LI, Zhengcong DU, Xaing CHENG, Qing LI, Lianghua WEN. Image Restoration Method Based on Model-Based for Diffraction Imaging System[J]. Acta Photonica Sinica, 2025, 54(2): 0211002
- Acta Photonica Sinica
- Vol. 54, Issue 2, 0211002 (2025)
Fig. 1. Diffraction imaging elements
Fig. 2. Multistage imaging characteristics of FZP and theoretical value of diffraction efficiency
Fig. 3. Flow chart of SPGD algorithm
Fig. 4. Flow chart of SA
Fig. 5. Diffraction efficiency measurement experiment of FZP
Fig. 6. Experimental diffraction efficiency of FZP
Fig. 7. Extended target imaging experiment of FZP
Fig. 8. The PSF0 of two-order FZP imaging system
Fig. 9. Extended target imaging image of FZP
Fig. 10. Extended target image for iterative optimization
Fig. 11. The PSFm obtained by iterative optimization
Fig. 12. The recovery results of SPGD algorithm
Fig. 13. The recovery results of SA
Fig. 14. Local magnification and comparison of restoration result
Fig. 15. Comparison of performance indexes before and after restoration
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Table 1. Structural similarity of PSFm
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Table 2. Performance comparison of images before and after restoration by SPGD algorithm
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Table 3. Performance comparison of images before and after restoration by SA
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