Temporal super-resolution in full waveform LiDAR

Jun Ke; Edmund Y. Lam

doi:10.1117/12.2327001

4 October 2018 Temporal super-resolution in full waveform LiDAR

Jun Ke, Edmund Y. Lam

Proceedings Volume 10799, Emerging Imaging and Sensing Technologies for Security and Defence III; and Unmanned Sensors, Systems, and Countermeasures; 1079906 (2018) https://doi.org/10.1117/12.2327001
Event: SPIE Security + Defence, 2018, Berlin, Germany

Abstract

To obtain high ranging resolution and to record full waveform signals, full waveform LiDAR requires short pulse width laser sources, high bandwidth sensors, high bandwidth A/Ds, and large on-board memories. To relax these requirements, temporal super-resolution is studied in this paper. In temporal super-resolution, the reflected beam is split into several branches, and then transpose through different distances before collected by detectors. The minimum distance difference among branches determines the system resolution. To reduce the number of measurements, compressive sensing idea is further used in temporal super-resolution LiDAR.

Citation Download Citation

Jun Ke and Edmund Y. Lam "Temporal super-resolution in full waveform LiDAR", Proc. SPIE 10799, Emerging Imaging and Sensing Technologies for Security and Defence III; and Unmanned Sensors, Systems, and Countermeasures, 1079906 (4 October 2018); https://doi.org/10.1117/12.2327001

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