Detection of moving objects using single-photon counting LIDAR

Hui Yu; Xianjiang Zeng; Weichao Du; Erbo Zou; Chensheng Wang

doi:10.1117/12.2624206

27 March 2022 Detection of moving objects using single-photon counting LIDAR

Hui Yu, Xianjiang Zeng, Weichao Du, Erbo Zou, Chensheng Wang

Proceedings Volume 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications; 121694S (2022) https://doi.org/10.1117/12.2624206
Event: Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 2021, Kunming, China

Abstract

Compared with traditional Lidar, photon counting laser radar uses a high repetition rate and low pulse energy detection mechanism. When the echo photon is very weak, the echo signal can be extracted by increasing the counting time of TCSPC. However, it becomes difficult to detect fast-moving targets within a long counting time, especially under the interference of high background noise. In this article, we propose a dynamic ranging algorithm based on target motion parameter matching for the application scenario of long-distance moving target ranging, which solves the problem of fast real-time ranging of remote dynamic small targets in noisy environment, and realizes the distance Measure synchronously with speed. Further, in order to improve the application effect of the dynamic ranging algorithm, we transplanted the algorithm to the FPGA platform.

Citation Download Citation

Hui Yu, Xianjiang Zeng, Weichao Du, Erbo Zou, and Chensheng Wang "Detection of moving objects using single-photon counting LIDAR", Proc. SPIE 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 121694S (27 March 2022); https://doi.org/10.1117/12.2624206

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KEYWORDS

Ranging

LIDAR

Detection and tracking algorithms

Photon counting

Single photon detectors

Clouds

Signal detection

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