orbslam2_modified_ros
Authors: Zhenghua.Hou HIT 16S108281
2017.12.9: Use ros to run orbslam2_modified with Kinect v2.
Introduction: Dr.Gao Xiang has modified the ORB_SLAM2 so that it can display the point cloud map, but this version does not have the function of point cloud integration and point cloud preservation. Replace the provided document and project can save the point cloud as a PCD file after voxel filtering. Provides documentation for running under ROS
Reference: Dr.Gao Xiang's GitHub; ORB_SLAM2 by raulmur
1. License
Only Myself and My junior of laboratory.
2. Prerequisites
Install orbslam_modified
1. download & install project
git clone https://github.com/gaoxiang12/ORBSLAM2_with_pointcloud_map.git
2. Precautions
ORB_SLAM2_modified/Vocabulary missing txt of BoW model, can be copied from ORB_SLAM2 source code
Recompile g2o
Recompile the BoW library
The project only supports opencv2
3. Usage
1. Modify CMakeLists in orbslam_modified
Orbslam_modified version didnot modify the CMakeLists in ROS. Due to the addition of the PCL library, and the way to compile g2o. we need to be modified.
"CMakeLists.txt" under the "ORBSLAM2_with_pointcloud_map/orbslam2_modified/ORB_SLAM2_modified/Example/ROS/ORB_SLAM2" folder
2. Modify the environment variable
gedit .bashrc
export ROS_PACKAGE_PATH=${ROS_PACKAGE_PATH}:/home/hou/ORBSLAM2_with_pointcloud_map/orbslam2_modified/ORB_SLAM2_modified/Examples/ROS
3. Open the driver and program under ROS
roscore
roslaunch freenect_launch freenect-registered-xyzrgb.launch
cd ORBSLAM2_with_pointcloud_map/orbslam2_modified/ORB_SLAM2_modified/Examples/ROS
rosrun ORB_SLAM2 RGBD /home/hou/ORBSLAM2_with_pointcloud_map/orbslam2_modified/ORB_SLAM2_modified/Vocabulary/ORBvoc.txt /home/hou/ORBSLAM2_with_pointcloud_map/orbslam2_modified/ORB_SLAM2_modified/Examples/RGB-D/kinect1.yaml