### Detailed Description of the topics in the .bag files of 2019_2020_quinta_do_bolao_coimbra dataset: | TOPIC | MESSAGE | DESCRIPTION | |:-----------------------------:|:-----------------------------------------------------:|:---------------------------------------------:| |/back_lslidar_packet |lslidar_c16_msgs/LslidarC16Packet |original UDP packet block data information of the back LeiShen 3D LiDAR| |/dalsa_camera_720p/compressed |sensor_msgs/CompressedImage |compressed image of the Dalsa multispectral camera| |/flir_ax8/compressed |sensor_msgs/CompressedImage |compressed image of the FLIR AX8 Thermal camera| |/front_lslidar_packet |lslidar_c16_msgs/LslidarC16Packet |original UDP packet block data information of the front LeiShen 3D LiDAR| |/gps_fix |sensor_msgs/NavSatFix |GPS Navigation Satellite fix| |/gps_time |sensor_msgs/TimeReference |measurement from an external time source, which is not actively synchronized with the system clock| |/gps_vel |geometry_msgs/TwistStamped |velocity output from the GPS device| |/imu/data |sensor_msgs/Imu |raw IMU data, including angular velocities and linear accelerations| |/realsense/color/camera_info |sensor_msgs/CameraInfo |meta information for Intel Realsense Depth camera| |/realsense/color/image_raw/compressed |sensor_msgs/CompressedImage |compressed raw image of Intel Realsense Depth camera|