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Multi-Temporal Resolution-Guided 3-D Imaging for Array-Based Single-Photon LiDAR

delete2026-02-01
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PRE
AI
K
Kai Qiao
Y
Yu Chang
Z
Zefang Xu
殷飞 (Fei Yin)
C
Chang Su
L
L. Liu
T
T.F. Liu
刘纯亮 (Chunliang Liu)
J
Jinshou Tian
X
Xing Wang *
DOI:10.1109/JPHOT.2025.3645783delete
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摘要

摘要

En 中文
采用基于1550 nm阵列的单光子LiDAR系统,我们演示了对静动态目标在10公里范围内的深度成像。该系统由1550 nm脉冲激光源、双站光学收发系统以及64×64 InGaAs/InP单光子雪崩二极管(SPAD)阵列相机组成,角分辨率为20微弧度。通过采用多尺度时间分辨率引导的恢复优化算法,我们利用无监督学习方法实现了三维(3-D)图像分割。随后,我们完成了像素级算法匹配,促进了高效的长距离3-D成像重建,并显著减少了二值帧数据。值得注意的是,在离线处理我们系统采集的真实点云数据后,我们获得了4至10公里范围内各种目标的深度图像。此外,我们成功捕获了帧率超过50 fps的动态3-D视频。该视频通过离线处理重建,每个像素平均返回的光子数少于2个。这些深度成像结果突显了所提出的系统和重建方法在远距离静动态目标的深度成像、特征提取和目标识别方面的潜力。
Keyword:
Single-photon detector
three-dimensional video
LiDAR
LiDAR
LiDAR

期刊

I
IEEE Photonics Journal
IF:
2.4
论文数:
194
被引数:
1.1W

机构

X
xi'an institute of optics & precision mechanics, cas
学者数:
536
论文数: 480
被引数: 0
C
chinese academy of sciences
学者数:
56.7W
论文数: 45.0W
被引数: 704
引用论文

引用论文

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