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xchu_slam's Introduction

XCHU_SLAM

Introduction

xchu_odom添加回环,参考LEGO-LOAM

image-20201124154817082

image-20201125061549588

高度上偏移纠正回来了。

image-20201125061617522

Dependency

  • GTSAM(Georgia Tech Smoothing and Mapping library, 4.0.0-alpha2)

Usage

Run the package

  1. Run the launch file:
roslaunch xchu_slam  mapping.launch 
  1. Play existing bag files kitti, bag包播放时请0.1倍速,因为目前性能上还未优化,在bag包播放完成后,建图也将结束,后续将处理成离线的,逐帧处理。ctrl+c关闭终端则自动保存地图。
rosbag play kitti_2011_10_03_drive_0027_synced.bag --clock -r 0.1

Issues

  • 线程安全
  • 目前imu和编码器不可用,请设置为false
  • pitch 的累计误差导致高度漂移问题
  • 位姿有抖动情况

TODOs

  • 雷达惯导紧耦合
  • 基于GPS的回环检测

xchu_slam's People

Contributors

jokerjohn avatar

Stargazers

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Watchers

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