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3d_point_cloud_data_processing_class_notes's Introduction

3D_point_cloud_data_processing_class_notes

激光雷达原理

激光雷达安装、标定与同步

  1. 硬件选型 Screenshot from 2022-01-12 14-07-44

  2. 激光雷达安装方式

  3. 多传感器数据融合 Screenshot from 2022-01-12 14-12-58

  4. 激光雷达系统方案 Screenshot from 2022-01-12 14-29-57

  5. 多传感器标定:时间标定和空间标定

时间标定

空间标定:空间同步,统一坐标系,空间位置标定——平移量和旋转量(roll, pitch, yaw)

  1. 软件部分:障碍物检测,障碍物分类识别,运动物体跟踪,高精度点云地图构建,高精度定位,可行驶区域识别

物体跟踪:估计运动物体的运动状态——运动方向、速度大小、加速度、角速度、运动轨迹

可行驶区域检测:路沿检测、车道线检测、地面检测、路面检测等

SLAM建图挑战:精度要求;大场景稳定性高;人工干预少

建图算法方案:图优化结合闭环检测;多传感器融合

重定位

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