基于抛物线包络反演的距离选通三维成像方法

doi:10.12382/bgxb.2021.0528

摘要/Abstract

摘要： 距离选通三维成像技术在三维测绘、远距离侦查、导航、水下目标探测等应用领域具有重要意义。介绍了距离选通超分辨率三维成像技术目前的发展现状和常用的三维反演算法。在此基础上研究了基于抛物线包络的距离选通三维成像方法。在实际测距精度、三维成像景深、实时性和系统实现的难易程度等方面，与目前常用的三角形和梯形能量相关算法进行了对比分析和实验验证。实验结果表明：基于抛物线包络的三维反演算法降低了系统硬件指标要求，提高了实际测距精度，同时实现了大景深实时三维成像的要求，具有良好的应用前景。

关键词: 距离选通, 三维成像, 超分辨率, 抛物线包络

Abstract: 3D range-gated imaging technology is of great significance in application fields such as 3D mapping, long-distance surveillance, navigation, and underwater target detection. The development of 3D range-gated super-resolution imaging technology and the frequently-used 3D inversion algorithms are introduced. On this basis, the 3D range-gated imaging method based on the parabolic envelope is studied. In terms of actual ranging accuracy, depth of field (DOF) of 3D imaging, real-time performance and the difficulty of system implementation, the proposed method is compared with the commonly used triangle and trapezoidal energy-related algorithms and verified by experiments. The results show that the the parabolic envelope-based 3D inversion algorithm reduces the system hardware index requirements, improves the actual ranging accuracy, and meets the demand for real-time large DOF 3D imaging, which demonstrates its good application prospects.

Key words: rangegating, 3Dimagingmethods, super-resolution, parabolicenvelope

中图分类号:

TN249

孙磊，金东东，纪春恒，裴崇雷，安鸿波. 基于抛物线包络反演的距离选通三维成像方法[J]. 兵工学报, 2022, 43(8): 1868-1873.

SUN Lei, JIN Dongdong, JI Chunheng, PEI Chonglei, AN Hongbo. 3D Range-gated Imaging Method Based on Parabolic Envelope Inversion[J]. Acta Armamentarii, 2022, 43(8): 1868-1873.

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