jxl's profile - overview

● Supporter   × 1

• How to integrate tesseract-ocr library in a catkin project?

● Good Question   × 1

• setting covariance and params for robot_localization

● Nice Answer   × 1

• amcl jumped very much with debug infomation "Time jumped forward by [...] for timer of period [...] ...."

● Enthusiast   × 1

● Editor   × 1

• import ROS package (turtlebot_calibration) into Qt without python sources?

● Associate Editor   × 1

• what should the frame_id of topic "poseX" be, before use robot_localization package?

● Commentator   × 1

● Critic   × 1

• robot_pose_ekf with an external sensor

● Taxonomist   × 1

● Scholar   × 1

• how to use eband_local_planner with navigation ?

● Student   × 1

• questions about dijkstra algorithm used in navfn package to path planning

● Popular Question   × 30

• tf2_monitor net delay and hz when playing ros2 bag
• ros2 lookupTransform() to get latest transform
• rclcpp::Time() and rclcpp::Clock()
• how to save octomap to a 2D occupancyGrid map?
• tf::Quaternion::getAngleShortestPath() or getAngle()?
• Libflycapture.so: undefined reference to ‘powf@GLIBC_2.27’
• libjsk_recognition_utils.so to ‘pcl::search::KdTree<pcl::PointNormal>::KdTree(bool)’ undefined reference
• imu orientation callback of robot_localization and mahalanobis distance formula
• what should the frame_id of topic "poseX" be, before use robot_localization package?
• how to [Prime Sense User Tracker Viewer]
• questions about dijkstra algorithm used in navfn package to path planning
• Turtlebot calibration: please point me at a wall
• launch sbpl_lattice_planner (hydro ) errors
• questions about 2d map structure ?
• how does robot_pose_ekf fuse odom and imu by EKF?
• how to double the resolution of the map ?
• How to save the poses which on the global_path topic into a txt file?
• what are the specific critics forms of the DWA's cost function,when scoring trajectories?
• basical questions about the SBPL?
• Strange phenomenons when using sbpl installed from source
• How to evaluate your new global planner's path ?
• how to use eband_local_planner with navigation ?
• when tf2::ExtrapolationException occured, move_base died
• how to monitor topic, when a certain topic not exist?
• why there are four instantiation critics of MapGridCostFunction,when scoring trajectories?
• what's the principle of particle samples' clusters in the amcl packages?
• setting covariance and params for robot_localization
• amcl jumped very much with debug infomation "Time jumped forward by [...] for timer of period [...] ...."
• how to deal with imu_drift when robot is stationary ?
• imu orientation meaning and lookupTransform direction ?

● Nice Question   × 2

• rclcpp::Time() and rclcpp::Clock()
• setting covariance and params for robot_localization

● Notable Question   × 29

• tf2_monitor net delay and hz when playing ros2 bag
• rclcpp::Time() and rclcpp::Clock()
• ros2 lookupTransform() to get latest transform
• how to save octomap to a 2D occupancyGrid map?
• Libflycapture.so: undefined reference to ‘powf@GLIBC_2.27’
• tf::Quaternion::getAngleShortestPath() or getAngle()?
• imu orientation callback of robot_localization and mahalanobis distance formula
• what should the frame_id of topic "poseX" be, before use robot_localization package?
• how to [Prime Sense User Tracker Viewer]
• questions about dijkstra algorithm used in navfn package to path planning
• Turtlebot calibration: please point me at a wall
• questions about 2d map structure ?
• launch sbpl_lattice_planner (hydro ) errors
• how does robot_pose_ekf fuse odom and imu by EKF?
• how to double the resolution of the map ?
• How to save the poses which on the global_path topic into a txt file?
• what are the specific critics forms of the DWA's cost function,when scoring trajectories?
• Strange phenomenons when using sbpl installed from source
• basical questions about the SBPL?
• How to evaluate your new global planner's path ?
• how to use eband_local_planner with navigation ?
• how to monitor topic, when a certain topic not exist?
• why there are four instantiation critics of MapGridCostFunction,when scoring trajectories?
• setting covariance and params for robot_localization
• how to deal with imu_drift when robot is stationary ?
• amcl jumped very much with debug infomation "Time jumped forward by [...] for timer of period [...] ...."
• imu orientation meaning and lookupTransform direction ?
• what's the principle of particle samples' clusters in the amcl packages?
• when tf2::ExtrapolationException occured, move_base died

● Teacher   × 1

• amcl jumped very much with debug infomation "Time jumped forward by [...] for timer of period [...] ...."

● Self-Learner   × 1

• amcl jumped very much with debug infomation "Time jumped forward by [...] for timer of period [...] ...."

● Famous Question   × 27

• ros2 lookupTransform() to get latest transform
• rclcpp::Time() and rclcpp::Clock()
• Libflycapture.so: undefined reference to ‘powf@GLIBC_2.27’
• imu orientation callback of robot_localization and mahalanobis distance formula
• how to save octomap to a 2D occupancyGrid map?
• why there are four instantiation critics of MapGridCostFunction,when scoring trajectories?
• tf::Quaternion::getAngleShortestPath() or getAngle()?
• what should the frame_id of topic "poseX" be, before use robot_localization package?
• basical questions about the SBPL?
• when tf2::ExtrapolationException occured, move_base died
• what's the principle of particle samples' clusters in the amcl packages?
• how to [Prime Sense User Tracker Viewer]
• Turtlebot calibration: please point me at a wall
• questions about dijkstra algorithm used in navfn package to path planning
• questions about 2d map structure ?
• how does robot_pose_ekf fuse odom and imu by EKF?
• launch sbpl_lattice_planner (hydro ) errors
• how to double the resolution of the map ?
• How to save the poses which on the global_path topic into a txt file?
• what are the specific critics forms of the DWA's cost function,when scoring trajectories?
• Strange phenomenons when using sbpl installed from source
• setting covariance and params for robot_localization
• how to deal with imu_drift when robot is stationary ?
• amcl jumped very much with debug infomation "Time jumped forward by [...] for timer of period [...] ...."
• how to use eband_local_planner with navigation ?
• how to monitor topic, when a certain topic not exist?
• imu orientation meaning and lookupTransform direction ?