Xinwei Wang, Liang Sun, Yue Zhang, Bo Song, Chenhao Xia, Yan Zhou. Advances of laser range-gated three-dimensional imaging (invited)[J]. Infrared and Laser Engineering, 2024, 53(4): 20240122
- Infrared and Laser Engineering
- Vol. 53, Issue 4, 20240122 (2024)
Fig. 1. Laser range-gated imaging technology
![Time slicing 3D range-gated imaging[13]. (a) Principle; (b) Underwater 3D image](/richHtml/irla/2024/53/4/20240122/img_2.jpg)
Fig. 2. Time slicing 3D range-gated imaging[13]. (a) Principle; (b) Underwater 3D image
![Max peak finding 3D range-gated imaging[18]. (a) Parabolic fitting by only three data points; (b) Intensity image; (c) Depth map](/Images/icon/loading.gif){kind=icon}
Fig. 3. Max peak finding 3D range-gated imaging[18]. (a) Parabolic fitting by only three data points; (b) Intensity image; (c) Depth map
Fig. 4. Underwater 3D range-gated imaging based on Bayesian reconstruction method [19]
Fig. 5. Linear-gain-modulated 3D range-gated imaging[20]
Fig. 6. Non-linear-gain modulation for 3D range-gated imaging[21]
Fig. 7. Trapezoidal range-intensity correlation 3D range-gated imaging[23]
Fig. 8. 12-channel-coding 3D imaging based on trapezoidal range-intensity correlation [26]
Fig. 9. Triangular range-intensity correlation 3D range-gated imaging[28]. (a) Principle; (b) Experimental results between triangular and trapezoidal methods
Fig. 10. 7-channel-coding 3D imaging based on triangular range-intensity correlation[29]
Fig. 11. Multi-pulse time delay integration method[30]. (a) Principle; (b) Gated image; (c) 3D image
Fig. 12. 3D deblurring-gated range-intensity correlation imaging[31]. (a) Principle; (b) Experimental results
Fig. 13. Gated2Depth method[33]. (a) Gated2DepthNet; (b) Experimental results
Fig. 14. Depth estimation method of Gated2Gated self-supervised learning distance-selective[34]
Fig. 15. RIP-guided gated 3D imaging algorithm (RIP-Gated3D). (a) Principle; (b) Comparison results of different algorithms
Fig. 16. 2D range-gated imaging products
Fig. 17. UTOFIA system and its application in the UTOFIA project[43]
Fig. 18. Underwater SeaLVi and its application in the French-German Institute of Saint Louis [44,51]. (a) SeaLVi 2; (b) 3D images of starfish
Fig. 19. Person detection from background in the Fraunhofer IOSB, Germany [46]
Fig. 20. Laser range-gated 3D imaging systems in the Institute of Semiconductors, CAS[47−49]. (a) Fengyan; (b) CanoMIS; (c) and (d) Maritime surveillance
Fig. 21. Gated2Depth-based high-resolution flash LiDAR in the DENSE project[33]
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Table 1. Technology readiness levels(TRL) of laser range-gated 3D imaging
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