分区DBSCAN算法在激光雷达行人检测系统中的应用
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长安大学汽车学院,长安大学汽车学院,长安大学汽车学院,长安大学汽车学院

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中图分类号:

TP391.4

基金项目:

国家自然科学基金项目(面上项目,重点项目,重大项目)


The Application of Partitioning-DBSCAN Algorithm in LIDAR Based Pedestrian Detection System
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Affiliation:

School of Automobile, Chang’an University,School of Automobile, Chang’an University,School of Automobile, Chang’an University,School of Automobile, Chang’an University

Fund Project:

The National Natural Science Foundation of China (General Program, Key Program, Major Research Plan)

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    摘要:

    摘要 行人检测过程中原始DBSCAN算法不能正确地对密度不均匀的激光点云聚类,产生错误的聚类结果导致行人检测系统出现误检和漏检。为解决这一问题,基于激光雷达的行人检测系统在原始密度聚类算法DBSCAN的基础上提出了分区DBSCAN算法。该算法将密度不均匀的点云数据划分为若干个密度相对均匀的分区,从而能实现对行人的快速准确检测。实验结果表明原始DBSCAN算法行人检测率为62.47%,使用分区DBSCAN算法的激光雷达行人检测系统行人检测率达到82.21%,相对于原始DBSCAN算法检测精度提高了19.74%;而且在时间消耗上也比原始DBSCAN算法降低了16.22%。

    Abstract:

    [Abstract] In the process of pedestrian detection, original DBSCAN algorithm can't correctly cluster the uneven laser points cloud, and the wrong clustering result will lead to false detection and leak detection. To solve this problem, we propose a partitioning-DBSCAN algorithm based on the original DBSCAN algorithm for pedestrian detection system. The algorithm will divide the uneven points cloud into several relatively homogeneous density partition, which can realize fast and exact detection. Experimental results show that the pedestrian detection rate of original DBSCAN algorithm was 62.47%, and the pedestrian detection rate of partitioning-DBSCAN was 82.21%, which increased by 19.74%; Also, the time consumption of our method was reduced by 16.22% than the original DBSCAN algorithm.

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引用本文

宋柱,付锐,张名芳,等. 分区DBSCAN算法在激光雷达行人检测系统中的应用[J]. 科学技术与工程, 2017, 17(18): .
宋柱,FU Rui, ZHANG Ming-fang, et al. The Application of Partitioning-DBSCAN Algorithm in LIDAR Based Pedestrian Detection System[J]. Science Technology and Engineering,2017,17(18).

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历史
  • 收稿日期:2016-12-21
  • 最后修改日期:2017-02-06
  • 录用日期:2017-02-20
  • 在线发布日期: 2017-06-29
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