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激光雷达一维距离像的目标识别算法研究

Algorithmic study of target recognition from lidar range image

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【作者】 付林; 贺安之; 李振华;

【Author】 FU Lin,HE An-zhi,LI Zhen-hua(Science Institute,Nanjing University of Science & Technology,Nanjing 210094,China)

【机构】 南京理工大学理学院; 南京理工大学理学院 南京210094; 南京210094; 南京210094;

【摘要】 本文针对复杂背景下激光雷达一维距离像的目标识别,提出了利用最小二乘估计器和线性滑动窗口构造滤波器的算法。根据目标本身形态的总体尺度范围特征设定滤波窗口,很好地实现了对目标的识别过程。给出了该算法的设计思路和算法流程图,分析和优化了算法的时间复杂度,并列出了算法在不同距离上的目标识别概率。算法的时间复杂度分析和模拟实验结果表明,该算法目标识别的正确率可以达到89%以上,能够很好满足实时条件下的目标识别要求。

【Abstract】 This paper introduced a new algorithmic approach to the target recognition of lidar range image by using the least squares estimation and linear glide window for the design of a filter.The filter window was set up in accordance to the characteristic of target shape size.This algorithmic approach can have an easy access to the process of target recognition.It provided algorithmic idea and flow chart.Moreover it improved and made the algorithm more efficient.In addition,it listed the target recognition probability in different distances.It is demonstrated that the correctness rate of target recognition can reach over 89% and meet real time demand,by the analysis of algorithmic time complexity and analogue experiment result.

【关键词】 激光雷达; 距离像; 目标识别; 算法;
【Key words】 lider; distance image; target recognition algorithm;
  • 【分类号】TN958.98
  • 【被引频次】4
  • 【下载频次】339
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