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Long range 3D imaging through atmospheric obscurants using array-based single-photon LiDAR.

Peng-Yu Jiang, Zheng-Ping Li, Wen-Long Ye

|May 9, 2023

Summary

This summary is machine-generated.

This study presents an advanced single-photon LiDAR system for high-precision 3D imaging through fog and mist. The technology enables real-time imaging of moving targets at long ranges, crucial for navigation and recognition in adverse weather.

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Area of Science:

Optics and Photonics
Remote Sensing Technology
Computer Vision

Background:

Single-photon Light Detection and Ranging (LiDAR) offers advanced capabilities for active imaging.
Its sensitivity and timing resolution are key for high-precision 3D imaging through atmospheric obscurants like fog, haze, and smoke.

Purpose of the Study:

To demonstrate an array-based single-photon LiDAR system for long-range 3D imaging in atmospheric obscurants.
To evaluate the system's performance in acquiring depth and intensity images under challenging weather conditions.

Main Methods:

Development of an array-based single-photon LiDAR system.
Implementation of optical system optimization and photon-efficient imaging algorithms.
Testing the system's capability to image through dense fog and mist at various distances.

Main Results:

Successful acquisition of depth and intensity images through dense fog (2.74 attenuation lengths) at 13.4 km and 20.0 km.
Demonstration of real-time 3D imaging (20 frames per second) for moving targets over 10.5 km in mist.
Validation of the system's performance in challenging weather conditions.

Conclusions:

The developed single-photon LiDAR system shows significant potential for practical applications.
The technology is well-suited for vehicle navigation and target recognition in adverse weather conditions.
Further development could enhance active imaging capabilities in obscured environments.