Jingjing Yang, Shuai Wang, Lianghua Wen, Ping Yang, Wei Yang, Chunlin Guan, Bing Xu. Faint-Object Imaging of Diffractive Telescopes Based on Image Restoration[J]. Acta Optica Sinica, 2020, 40(14): 1411005
- Acta Optica Sinica
- Vol. 40, Issue 14, 1411005 (2020)
Fig. 1. Flow chart of ABM3D algorithm
Fig. 2. Resolution board and simulated MTF curve. (a) Original image; (b) simulated MTF curve
Fig. 3. Comparison of simulation restoration results of resolution boards. (a) Raw images; (b) restored images by Awn algorithm; (c) restored images by ABM3D algorithm
Fig. 4. Parameter results for images with and without restoration under different noise levels. (a) PSNR; (b) SSIM
Fig. 5. Experimental setup and light path diagram of diffractive telescope imaging system
Fig. 6. MTFs of diffractive telescope imaging system
Fig. 7. Comparison of experimental restoration results of resolution boards. (a) Output images; (b) restored images by Awn algorithm; (c) restored images by ABM3D algorithm
Fig. 8. Pixel traces. (a) σ=0.02; (b) σ=0.04
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