基于激光雷达与深度相机融合的行人检测方法
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武汉市重点研发计划项目(No.2022012202015069)资助。


Pedestrian detection method based on fusion of LiDAR and depth camera
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    摘要:

    针对二维激光雷达在检测行人位置时,因缺少高度信息导致对行人特征识别不准确,易产生误判的问题,提出一种基于二维激光雷达与深度相机联合检测的行人识别方法。使用支持向量机(SVM)筛选出激光雷达点云数据中属于行人腿部曲线的点云段并以此确定行人位置;视觉图像中引入人体识别算法框选行人,利用人体外边框中心点处图像坐标和深度值解算行人位置。将雷达与相机获得的行人位置信息加权融合得出行人实际位置。实验结果表明,所提方法在继承激光雷达测量精度的同时,极大地减小了误判率,证明该方法的有效性。

    Abstract:

    In response to the inaccuracy of pedestrian feature recognition and the potential for misjudgment due to the lack of height information in detecting pedestrian positions using 2D LiDAR,a method for pedestrian identification based on the joint detection of 2D LiDAR and depth camera is proposed in this paper.Firstly,a Support Vector Machine(SVM)is used to filter out point cloud segments belonging to the pedestrian′s leg curve in the LiDAR point cloud data,and determine the pedestrian′s position.Additionally,a human body recognition algorithm is applied to the visual images to delineate pedestrians,utilizing the image coordinates of the center point of the outer body box and depth values to calculate pedestrian positions.Finally,the actual pedestrian position is derived through weighted fusion of the pedestrian position information obtained from both LiDAR and the camera.Th experimental results demonstrate that the proposed method greatly reduces the false judgement rate while inheriting the measurement accuracy of LiDAR,which proves the effectiveness of the method.

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李立凡,曹鹏彬,杜兵,沈琼霞.基于激光雷达与深度相机融合的行人检测方法[J].激光与红外,2024,54(10):1547~1553
LI Li-fan, CAO Peng-bin, DU Bing, SHEN Qiong-xia. Pedestrian detection method based on fusion of LiDAR and depth camera[J]. LASER & INFRARED,2024,54(10):1547~1553

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  • 在线发布日期: 2024-10-16
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