Fig. 1. Experimental setup of ghost imaging

Fig. 2. Experimental setup and result of entangled two-photon ghost imaging^[12]. (a) Experimental setup; (b) experimental result

Fig. 3. Experimental setup and result of ghost imaging based on classical light source^[30]. (a) Experimental setup; (b) experimental result

Fig. 4. Experimental setup of ghost imaging based on pseudo-thermal light source^[14]

Fig. 5. Experimental setup of computational ghost imaging^[50]

Fig. 6. Framework of computational ghost imaging using deep neural networks^[93]

Fig. 7. Framework of computational ghost imaging using self-supervised neural networks^[112]

Fig. 8. Framework of self-supervised feature extraction-based ghost imaging^[119]

Fig. 9. Framework of part-based ghost imaging^[120]

Fig. 10. Framework of multi-input mutual supervision ghost imaging^[122]

Fig. 11. Framework of multi-polarization fusion network for ghost imaging^[123]

Fig. 12. Framework of large model enhanced computational ghost imaging^[124]. (a) Framework of algorithm; (b) network structure