Yangdi Hu, Zhengdong Cheng, Bo Zeng, Yong Yang. Computational Ghost Imaging in Smoke Media[J]. Laser & Optoelectronics Progress, 2021, 58(10): 1011029
- Laser & Optoelectronics Progress
- Vol. 58, Issue 10, 1011029 (2021)
Fig. 1. CGI system for penetrating scattering media
![Experimental results of CGI penetrating scattering medium[10,12]. (a) Ni≈0; (b) Ni≠0; (c) degraded patterns; (d) undegraded patterns](/richHtml/lop/2021/58/10/1011029/img_2.jpg)
Fig. 2. Experimental results of CGI penetrating scattering medium[10,12]. (a) Ni≈0; (b) Ni≠0; (c) degraded patterns; (d) undegraded patterns
Fig. 3. Transmission path of photon in cylindrical scattering medium
Fig. 4. Schematic diagram of CGI combined with Monte Carlo model
Fig. 5. Lena simulation results at different uniform mass concentrations of smoke (0.1, 0.2, 0.3, 0.4, 0.5 g·m-3). (a) PSF of smoke at different concentrations; (b) results of TI; (c) reconstruction images of CGI
Fig. 6. Relationship between reconstruction image quality and smoke mass concentration in three cases
Fig. 7. Smoke with uneven concentration distribution at some heights. (a) z=2.5 m; (b) z=5 m; (c) z=10 m;(d) z=20 m
Fig. 8. Lena simulation results at different uneven mass concentrations of smoke(20, 30, 50, 100 g·s-1). (a) PSF of smoke; (b) TI results; (c) CGI results
Fig. 9. Results of CGI at time-varying concentrations. (a) Random variation range (0.9,1); (b) random variation range (0.99,1); (c) random variation range (0.999,1); (d) random variation range (0.9999,1)
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Table 1. Some parameters used in simulation
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