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. [in Chinese]

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

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

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