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Single-shot 3D imaging with point cloud projection based on metadevice

Engineering and Technology

Single-shot 3D imaging with point cloud projection based on metadevice

X. Jing, R. Zhao, et al.

This groundbreaking study presents a single-layer metasurface-based flat optical device that enables single-shot 3D imaging with impressive submillimeter depth accuracy. The innovative coding of point clouds and advanced matching algorithms open new avenues for applications in surface shape detection and gesture recognition, demonstrating remarkable potential for future technology. Conducted by Xiaoli Jing and colleagues, this research pushes the boundaries of optical imaging.

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Playback language: English
Abstract
This study proposes a single-layer metasurface-based flat optical device for single-shot 3D imaging. The device projects a coded point cloud in Fourier space, and a sophisticated matching algorithm enables 3D reconstruction. Experimental results demonstrate submillimeter depth accuracy (less than 0.24 mm at 300 mm), showcasing the potential for applications like surface shape detection and gesture recognition.
Publisher
Nature Communications
Published On
Dec 21, 2022
Authors
Xiaoli Jing, Ruizhe Zhao, Xin Li, Qiang Jiang, Chengzhi Li, Guangzhou Geng, Junjie Li, Yongtian Wang, Lingling Huang
Tags
metasurface
3D imaging
point cloud
depth accuracy
gesture recognition
optical device
surface shape detection

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