Moving target detection in flash mode against stroboscopic mode by active range-gated laser imaging

Xuanyu Zhang; Xinwei Wang; Liang Sun; Songtao Fan; Pingshun Lei; Yan Zhou; Yuliang Liu

doi:10.1117/12.2295510

12 January 2018 Moving target detection in flash mode against stroboscopic mode by active range-gated laser imaging

Xuanyu Zhang, Xinwei Wang, Liang Sun, Songtao Fan, Pingshun Lei, Yan Zhou, Yuliang Liu

Author Affiliations +

Proceedings Volume 10620, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Imaging/Spectroscopy and Signal Processing Technology; 106201M (2018) https://doi.org/10.1117/12.2295510
Event: International Conference on Optical Instruments and Technology 2017, 2017, Beijing, China

Abstract

Moving target detection is important for the application of target tracking and remote surveillance in active range-gated laser imaging. This technique has two operation modes based on the difference of the number of pulses per frame: stroboscopic mode with the accumulation of multiple laser pulses per frame and flash mode with a single shot of laser pulse per frame. In this paper, we have established a range-gated laser imaging system. In the system, two types of lasers with different frequency were chosen for the two modes. Electric fan and horizontal sliding track were selected as the moving targets to compare the moving blurring between two modes. Consequently, the system working in flash mode shows more excellent performance in motion blurring against stroboscopic mode. Furthermore, based on experiments and theoretical analysis, we presented the higher signal-to-noise ratio of image acquired by stroboscopic mode than flash mode in indoor and underwater environment.

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Xuanyu Zhang, Xuanyu Zhang, Xinwei Wang, Xinwei Wang, Liang Sun, Liang Sun, Songtao Fan, Songtao Fan, Pingshun Lei, Pingshun Lei, Yan Zhou, Yan Zhou, Yuliang Liu, Yuliang Liu, "Moving target detection in flash mode against stroboscopic mode by active range-gated laser imaging", Proc. SPIE 10620, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Imaging/Spectroscopy and Signal Processing Technology, 106201M (12 January 2018); doi: 10.1117/12.2295510; https://doi.org/10.1117/12.2295510

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