15 November 2017 Anti-dynamic-crosstalk method for single photon LIDAR detection
Author Affiliations +
Proceedings Volume 10605, LIDAR Imaging Detection and Target Recognition 2017; 1060503 (2017) https://doi.org/10.1117/12.2286068
Event: LIDAR Imaging Detection and Target Recognition 2017, 2017, Changchun, China
With increasing number of vehicles equipped with light detection and ranging (LIDAR), crosstalk is identified as a critical and urgent issue in the range detection for active collision avoidance. Chaotic pulse position modulation (CPPM) applied in the transmitting pulse train has been shown to prevent crosstalk as well as range ambiguity. However, static and unified strategy on discrimination threshold and the number of accumulated pulse is not valid against crosstalk with varying number of sources and varying intensity of each source. This paper presents an adaptive algorithm to distinguish the target echo from crosstalk with dynamic and unknown level of intensity in the context of intelligent vehicles. New strategy is given based on receiver operating characteristics (ROC) curves that consider the detection requirements of the probability of detection and false alarm for the scenario with varying crosstalk. In the adaptive algorithm, the detected results are compared by the new strategy with both the number of accumulated pulses and the threshold being raised step by step, so that the target echo can be exactly identified from crosstalk with the dynamic and unknown level of intensity. The validity of the algorithm has been verified through the experiments with a single photon detector and the time correlated single photo counting (TCSPC) technique, demonstrating a marked drop in required shots for identifying the target compared with static and unified strategy
© (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Fan Zhang, Fan Zhang, Qiang Liu, Qiang Liu, Mali Gong, Mali Gong, Xing Fu, Xing Fu, } "Anti-dynamic-crosstalk method for single photon LIDAR detection", Proc. SPIE 10605, LIDAR Imaging Detection and Target Recognition 2017, 1060503 (15 November 2017); doi: 10.1117/12.2286068; https://doi.org/10.1117/12.2286068


HgCdTe APDS for time resolved space applications
Proceedings of SPIE (September 24 2017)
Comparison of 32 x 128 and 32 x 32 Geiger...
Proceedings of SPIE (May 12 2011)
Graz kHz SLR LIDAR: first results
Proceedings of SPIE (May 18 2009)

Back to Top