Zhi Yan

Hi, we actually get the object velocity from the tracker instead of directly from the lidar data. And the tracker obtains the 2D position (x,y) of the object from the...

Hi, for Noetic, try this: ```xml ```

Hi, could you post your rqt_graph to better identify the problem? Also, did you try this: [object3d_detector/launch/object3d_detector_ol.launch](https://github.com/yzrobot/online_learning/blob/Kinetic/object3d_detector/launch/object3d_detector_ol.launch)? Best

Node connection looks ok... could you try to change in Rviz "Fixed Frame" to `base_link` or `odom` to see, or in case of missing tf tree, try ``` ``` I...

Hi, do you have your PCL installed?

Hi, [This](https://github.com/epan-utbm/utbm_robocar_dataset/blob/baselines/launch/utbm_dataset_play.launch#L85) is what we are currently able to provide and we will try our best to provide more complete extrinsics. We recommend currently that users could try some online...

Hi, sorry for the late reply and I understand your concern. From my points of view, this could be done with our dataset. However as you know that we are...

Hi, to find out the problem, could you pls confirm first: * roslaunch utbm_dataset_play.launch bag:=/FULL_PATH_TO_YOUR/utbm_robocar_dataset_20180719_noimage.bag * you did `sudo apt install ros-VERSION-nmea-navsat-driver`

Your `rosbag_play` output looks different from mine .... 

Hi, sorry for the late response. Please note that the topics (both pose and map) are with their prefix, e.g. robot0/pose, robot1/pose, robot0/map, robot1/map ... See attachment file for more...