Fig. 1. Model of correlated imaging in complex environment

Fig. 2. Scheme for lensless correlated imaging^[71]

Fig. 3. (a)-(c) Imaging results under different positive defocusing length (Z = 175 mm, ΔZ = 0, 20, 40 mm); (d) The variety of the fidelity versus the positive defocusing length^[71]

Fig. 4. (a)-(c) Imaging results under different negative defocusing length (Z₁ =175 mm, ΔZ = 0, −20, −40 mm); (d) The variety of the fidelity versus the negative defocusing length^[71]

Fig. 5. Setup of reflective correlated imaging with the rough object^[73]

Fig. 6. Imaging results for a rough object under different reflective angles θ_o. (a) θ_o = π/4; (b) θ_o = 5π/12^[73]

Fig. 7. (a) Setup of reflective correlated imaging in the scattering medium; (b) The probability density distribution function of the speckle patterns from the scattering medium^[76]

Fig. 8. Acquired images with θ_i = π∕12 under (a) no scattering and (b) 1.9% scattering medium; The corresponding results when a large incident angle θ_i = π∕4 is chosen under (c) no scattering and (d) 19% scattering medium; (e) The ghost-image under the same parameters as those in (d) except for the 2.4% scattering medium. Here, the first column is the result from traditional correlated imaging, and the second column corresponds to the case in binary correlated imaging^[76]

Fig. 9. Setup of a thermal lensless correlated imaging^[81]

Fig. 10. Model of the collection range of the bucket detector^[81]

Fig. 11. (a) CNR and (b) V of the reconstructed images at different pixel numbers^[81]

Fig. 12. Setup of lensless correlated imaging. (a) Uplink path; (b) Downlink path^[84]

Fig. 13. (a) CNR and (b) V of the reconstructed images at different zenith angles^[84]

Fig. 14. (a) Setup of correlated imaging at low light levels; (b) The noise intensity of the object detector D_t for Nth measurements; (c) Probability distribution of the values of noise intensity^[86]

Fig. 14. [in Chinese]

Fig. 15. The contrast noise ratio and visibility of reconstructed images under different signal-to-noise ratios versus the number of measurements^[86]

Fig. 16. Experiment setup of correlated imaging^[87]

Fig. 17. The normalized intensity of the reconstructed objects versus the number of measurements^[87]

Fig. 18. (a) Corr of the reconstructed objects under various threshold; (b) The number of 0 elements (N₀) and the number of 1 elements (N₁) under various threshold^[87]

Fig. 19. Experiment setup of laser transmission under atmospheric turbulence

Fig. 20. Laser spot recorded by CCD at different times

Fig. 20. [in Chinese]

Fig. 21. The centroid position of laser spot at different times

Fig. 22. Beam wander (a) and turbulence intensity (b) at different times