Long-Range Daytime 3D Imaging Lidar With Short Acquisition Time Based on 64×64 Gm-APD Array

IEEE Photonics Journal

Genghua Huang¹  Changsheng Tan¹  Rong Shu¹  Xialin Liu¹  Tao Chen¹  Yongfeng Luo¹  Wei Kong¹  Jia Hou¹ 

[1] Key Laboratory of Space Active Opto-Electronics Technology and Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai, China;

关键词: 3D imaging;    depth estimation;    Gm-APD array;    LiDAR;    single-photon detection;   

DOI  :  10.1109/JPHOT.2022.3166807

来源: DOAJ

【 摘 要 】

This paper reports a complete solution for short-acquisition-time, flood-illumination, and non-scanning 3D imaging. Based on an InGaAs/InP 64×64 Geiger-mode avalanche photodiode array, we developed a single-photon imaging Lidar with a field of view of 19.2 mrad. A spatiotemporal dominant imaging method was also applied for depth estimation under high daytime background noise conditions. In the field tests, 3D imaging information was effectively extracted from objects with strong solar background light. An acquisition time of only 0.5 ms to 4 ms was needed for a building target approximately 1300 m away. The experimental results show that the Lidar and its data processing method have the potential for dynamic scenarios that require high performance 3D imaging, such as vehicle navigation, airborne mapping, and moving target monitoring.

【 授权许可】

Unknown