Qiusha Shan, Wei Hao, Zhaohui Liu, Liang Zhou, Rongli Chen. High-Resolution Imaging Technology for Large F-Numbers Based on Pixel Coding[J]. Laser & Optoelectronics Progress, 2021, 58(18): 1811027
- Laser & Optoelectronics Progress
- Vol. 58, Issue 18, 1811027 (2021)
Fig. 1. Process of image degradation and pixel coding
Fig. 2. Process of building coding matrix using PSF
Fig. 3. Process of reading image
Fig. 4. Process of reading and decoding image
Fig. 5. Degraded image of large F-number system
Fig. 6. Correction process of pixel coding algorithm
Fig. 7. MTF curves with different F-number
Fig. 8. MTF curves of different Q values[10]
Fig. 9. Image of imaging lens
Fig. 10. Image of distinguish plate with F=11
Fig. 11. Image of distinguish plate with F=25
Fig. 12. Corrected image of distinguish plate with F=25
Fig. 13. MTF values corresponding to different discriminant plate groups under different F-number
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Table 1. Parameter of scale system
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