Fig. 4: 3D sensing based on the proposed LiDAR system.
From: A dual-mode LiDAR system enabled by mechanically tunable hybrid cascaded metasurfaces
a 3D detection system based on binocular vision. b A scheme of the 3D detection process based on the dual-mode LiDAR. c 3D point cloud image obtained in flash illuminating mode. d, e 3D point cloud images obtained in beam array scanning mode through coarse scanning and fine scanning, respectively
