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AMCL ROS package reimplementation for using GNSS data

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GPS AMCL

The gps_amcl ROS package implements a modified version of original amcl node from navigation package (https://github.com/ros-planning/navigation) that improves autonomous vehicles localization using a modification of probabilistic laser localization like Monte Carlo Localization (MCL) algorithm, enhancing the weights of the particles by adding kalman filtered GNSS information. GNSS data are used to improve localization accuracy in places with fewer map features and to prevent the kidnapped robot problems. Besides, Laser information improves accuracy in places where the map has more features and GNSS higher covariance, allowing the approach to be used in specifically difficut scenarios for GNSS such as urban canyons. The algorithm is tested using KITTI odometry dataset proving that it improves localization compared with classic GNSS+INS fusion and AMCL. Algorithm details can be found in the original paper (https://www.mdpi.com/1424-8220/20/11/3145).

Example of usage

Real-driving data can be obtained from http://www.cvlibs.net/datasets/kitti/raw_data.php?type=residential and converted into bagfile using kitti2bag from https://github.com/tomas789/kitti2bag (/tf and static_tf topics must be filtered)

roslaunch gps_amcl gps_amcl.launch
rosbag play kitti kitti_2011_09_26_drive_0036_synced.bag --clock

Videos

  • GPS AMCL

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  • ORIGINAL AMCL

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Requirements

Install dependencies (listed in the package.xml and CMakeLists.txt file) using rosdep:

rosdep install gps_amcl

Citing the Software

Please cite the following publications if you are using the planner for your own research:

  • de Miguel, M.Á.; García, F.; Armingol, J.M. Improved LiDAR Probabilistic Localization for Autonomous Vehicles Using GNSS. Sensors 2020, 20, 3145.

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AMCL ROS package reimplementation for using GNSS data

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