Researchers have developed a compact and lightweight single-photon airborne lidar system that can acquire high-resolution 3D images with a low-power laser. This advance could make single-photon lidar practical for air and space applications such as environmental monitoring, 3D terrain mapping and object identification.
Single-photon lidar uses single-photon detection techniques to measure the time it takes laser pulses to travel to objects and back. It is particularly useful for airborne applications because it enables highly accurate 3D mapping of terrain and objects even in challenging environments such as dense vegetation or urban areas.
"Ultimately, our work has the potential to enhance our understanding of the world around us and contribute to a more sustainable and informed future for all," said Xu."For example, our system could be deployed on drones or small satellites to monitor changes in forest landscapes, such as deforestation or other impacts on forest health.
"A key part of the new system is the special scanning mirrors that perform continuous fine scanning, capturing sub-pixel information of the ground targets," said Xu."Also, a new photon-efficient computational algorithm extracts this sub-pixel information from a small number of raw photon detections, enabling the reconstruction of super-resolution 3D images despite the challenges posed by weak signals and strong solar noise.
The team is now working to enhance the performance and integration of the system, with a long-term goal of installing it on a spaceborne platform such as a small satellite. The stability, durability and cost-effectiveness of the system also needs improving before it could be commercialized.Yu Hong, Shijie Liu, Zheng-Ping Li, Xin Huang, Pengyu Jiang, Yang Xu, Cheng Wu, Hao Zhou, Yu-Chen Zhang, Hai-Lun Ren, Zhao-Hui Li, Jianjun Jia, Qiang Zhang, Chunlai Li, Feihu Xu, Jian-Yu Wang, Jian-Wei Pan.
Solar Energy Vehicles Detectors Ultrasound Medical Technology Aviation Civil Engineering
United Kingdom Latest News, United Kingdom Headlines
Similar News:You can also read news stories similar to this one that we have collected from other news sources.
Airborne single-photon lidar system achieves high-resolution 3D imagingResearchers have developed a compact and lightweight single-photon airborne lidar system that can acquire high-resolution 3D images with a low-power laser. This advance could make single-photon lidar practical for air and space applications such as environmental monitoring, 3D terrain mapping and object identification.
Read more »
Airborne observations of Asian monsoon sees ozone-depleting substances lofting into the stratospherePowerful monsoon winds, strengthened by a warming climate, are lofting unexpectedly large quantities of ozone-depleting substances high into the atmosphere over East Asia, new research shows.
Read more »
Airborne interferometric radar altimeter shows potential for submesoscale sea surface height anomaly measurementsA research team led by Prof. Xu Yongsheng from the Institute of Oceanology of the Chinese Academy of Sciences has obtained the two-dimensional sea surface height anomaly (SSHA) of about 100 km along the track and the first broadband SSHA wavenumber spectrum using Airborne Interferometric Radar Altimeter (AIRA) observations.
Read more »
Columbia Study Proves Far-UVC Light Nearly Eradicates Airborne Viruses in WorkspacesScience, Space and Technology News 2024
Read more »
Air raid sirens heard as Iran launches airborne attacks on IsraelIran launched dozens of drones and ballistic missiles at Israel in an unprecedented revenge mission that pushed the Middle East closer to more war.
Read more »
Israel Receives Support from US Against Iranian Airborne AttackThe White House announces its support for Israel's defense against an ongoing airborne attack from Iran. Israeli aviation authorities close the country's airspace in preparation for an Iranian drone attack.
Read more »