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gps_imu_fusion's Introduction

ESKF融合IMU与GPS数据

结果如下:

融合IMU数据之后的GPS轨迹效果 融合IMU数据之后的GPS轨迹效果

绿色轨迹:ground truth 蓝色轨迹:fuse IMU and GPS 红色轨迹:GPS

本人的实现方法请参考博客《Quaternion kinematics for error state kalman filter实现GPS+IMU融合,(附源码)》

欢迎大家交流呀!

1. 依赖库

Eigen

sudo apt-get install libeigen3-dev

Yaml

sudo apt-get install libyaml-cpp-dev

2. 编译

cd eskf-gps-imu-fusion
mkdir build
cd build
cmake ..
make 

3. 运行

本代码现在支持EKF,基于高精度IMU模型的ESKF和Joan Sola大神的Quaternion kinematics for the error-state KF。调试好的数据有两组。

如果想尝试不同的方法和不同的数据,只需要修改config.yaml里面的配置文件即可

cd eskf-gps-imu-fusion/build
./gps_imu_fusion

4.轨迹显示

执行完./gps_imu_fusion会生成轨迹文件

cd eskf-gps-imu-fusion/data
evo_traj kitti fused.txt gt.txt measured.txt -p

需要安装evo,可以参考博客中的介绍:https://blog.csdn.net/u011341856/article/details/104594392?spm=1001.2014.3001.5501

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