Ju Tang, Kaiqiang Wang, Wei Zhang, Xiaoyan Wu, Guodong Liu, Jianglei Di, Jianlin Zhao. Deep Learning Based Image Restoration Method of Optical Synthetic Aperture Imaging System[J]. Acta Optica Sinica, 2020, 40(21): 2111001
- Acta Optica Sinica
- Vol. 40, Issue 21, 2111001 (2020)
Fig. 1. Imaging effect of optical synthetic aperture imaging system. (a) Original image; (b) image of synthetic aperture array distribution; (c) imaging map
Fig. 2. Comparison of MTF between synthetic aperture system and its equivalent single aperture system. (a) Section curve of main peak of MTF; (b) diagram of MTF of synthetic aperture system; (c) diagram of MTF of equivalent single aperture system
Fig. 3. Restoration effect of blind deconvolution method. (a) Restoration maps of blind deconvolution method; (b) ringing phenomenon; (c) comparison of section gray curves
Fig. 4. Structure of U-net
Fig. 5. Comparison of recovery effects of U-net1 under different training datasets
Fig. 6. Comparison of effects of different recovery methods. (a) Original images; (b) imaging maps; (c) images obtained by blind deconvolution; (d) images obtained by U-net2A; (e) images obtained by U-net2B
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Table 1. Correspondence table of different datasets and networks
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Table 2. Average PSNR and SSIM of test set 1
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Table 3. Average PSNR and SSIM of test set 2
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