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Peak detection approaches for time-correlated single-photon counting three-dimensional lidar systems

机译：时间相关的单光子计数三维激光雷达系统的峰值检测方法

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摘要

Time-correlated single-photon counting lidar provides very high-resolution range measurements, making the technology interesting for 3D imaging of objects behind foliage or other obscuration. We study six peak detection approaches and compare their performance from several perspectives: detection of double surfaces within the instantaneous field of view, range accuracy, performance under sparse sampling, and the number of outliers. The results presented are based on reference measurements of a characterization target. Special consideration is given to the possibility of resolving two surfaces closely separated in range within the field of view of a single pixel. An approach based on fitting a linear combination of impulse response functions to the Collected data Showed the best overall pertomance.
机译：时间相关的单光子计数激光雷达可提供非常高分辨率的距离测量，这使得该技术对于树叶或其他遮盖物后面的物体的3D成像非常有趣。我们研究了六种峰检测方法，并从多个角度比较了它们的性能：在瞬时视野内检测双表面，范围精度，稀疏采样下的性能以及离群值的数量。给出的结果基于表征目标的参考测量。特别考虑了在单个像素的视场内解析两个在距离上紧密分隔的表面的可能性。基于将脉冲响应函数的线性组合拟合到收集的数据的方法显示出最佳的整体效果。

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