Development of UAV-mounted LiDAR for High-Precision Ground Surveillance

Key Points

3D mapping successfully captured complex structures including buildings and trees.
Key technology involves a pulsed laser operating at 1550 nm for eye safety.
UAV-mounted LiDAR system was tested at altitudes of 200 meters to achieve high precision measurement.
The findings highlight potential applications in urban planning and environmental monitoring.

Abstract

This study proposes a UAV-mounted LiDAR system for high-precision ground surveillance. The proposed LiDAR system is designed to achieve an angular resolution of 0.01 degree, providing a beam spot diameter of 20 cm at an altitude of 500 m. A compact pulsed laser operating at 1550 nm and a high-performance SSPM were used for eye safety. 3D mapping of ground structures including buildings, trees, and monuments were conducted with the hexa-copter drone. The drone-mounted experiment was conducted at an altitude of 200 meters, and the shapes of complex structures were successfully measured.

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