Fig. 1. Block diagram of an image-based optical scene projector

Fig. 2. Time constant of infrared image generator

Fig. 3. (a) Artificial blackbody; (b) Halogen lamp; (c) Silicon carbide rod; (d) Heating plate

Fig. 4. (a) Silicon bridge resistor; (b) Thin-film resistor^[4]; (c) Suspended membrane; (d) 3D structure of suspended membrane pixels^[8]

Fig. 5. DMD pixel structure

Fig. 6. Diagram of the DMD array principle

Fig. 7. Principle of visible-to-infrared image conversion chips^[16]

Fig. 8. (a) Fiber optic array pixel structure^[17]; (b) Self floating micro bridge pixel structure^[18-19]; (c) Silicon based suspended micro bridge pixel structure^[20-21]

Fig. 9. Configuration of a variable bandwidth spectrally tunable filter module based on LC materials^[27]

Fig. 10. Schematic diagram of the principle of the NIST multispectral scene projector^[28]

Fig. 11. Structural diagram of a dual-channel multi-spectral scene projector

Fig. 12. 16-channel delay line laser radar scene projector^[30]

Fig. 13. Temporal dimensionality reduction^[36]

Fig. 14. Integral imaging^[36]

Fig. 15. Generation of 3D light field with reconfigurable time-dimension characteristics^[35]

Fig. 16. Architecture diagram of the automotive lidar scene projector^[37]

Fig. 17. Current lidar testing methods and new testing method based on LSP^[37]. (a) Static testing; (b) Standard reflectivity boards; (c) Long-distance testing; (d) Dynamic target testing; (e) Testing method based on LSP