Fig. 1. Principle of typical light source ghost imaging^[37]

Fig. 2. Optical encryption scheme based on ghost imaging^[41]

Fig. 3. Schematic of multiple-image encryption^[41]

Fig. 4. Optical principle of GISC Lidar^[47]

Fig. 5. Schematic of push-broom GISC Lidar system^[53]. (a) Schematic of push-broom GISC Lidar system; (b) two emission schematics; (c) geometry correspondence details

Fig. 6. Experimental setup for underwater computational ghost imaging^[61]

Fig. 7. Single pixel 3D imaging system^[66]

Fig. 8. Overview of reconstruction algorithm^[66]

Fig. 9. 3D image of a scene^[66]