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ziv-lin avatar ziv-lin commented on May 30, 2024
  1. Have you configured the VIO parameters correctly?
  2. Can the timestamp among these messages be recorded in the same time-base (e.g., the OS system time)
  3. How it was possible for a bag file with only 64.7Mb that includes 1508 images? Is there anything wrong?

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ailiwei17 avatar ailiwei17 commented on May 30, 2024

感谢您的回答!
我已经修改了image_widthimage_heightcamera_intrinsiccamera_dist_coeffs,camera_ext_R,camera_ext_t等参数,另外重新录制了图像(之前的图像节点确实有问题),也在rosbag后对齐时间戳,可是貌似所有节点都无法正常启动,或许是我还应该修改一些别的地方吗?
2022-01-13 16-50-54 的屏幕截图
显示了这样的错误:

LiDAR incoming frame too old, need to be drop!!!
not ready for odometry

2022-01-13 21-15-46 的屏幕截图
将他们全部向雷达数据对齐貌似也存在一些问题

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ly-uuu avatar ly-uuu commented on May 30, 2024

这个问题和你的差不多,你可以看一下 hku-mars/r2live#56

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ailiwei17 avatar ailiwei17 commented on May 30, 2024

好的谢谢

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ly-uuu avatar ly-uuu commented on May 30, 2024

好的谢谢

您好,我是一个刚接触SLAM的新手,在运行完您的数据集后,我也想录制一个自己的数据集,我使用了livox mid-40和zed-2i录制,并标定了相机和雷达的外参,修改了roslaunch文件的参数

    <param name="LiDAR_pointcloud_topic" type="string" value= "laser_cloud_flat" />
    <param name="IMU_topic" type="string" value= "/zed2i/zed_node/imu" />
    <param name="Image_topic" type="string" value= "/zed2i/zed_node/left/image_rect_color" />

但rviz打开后没有任何输出,我的理解是即使imu没有进行标定,也应该会获得一个不太好的结果,请问是哪里出现了问题吗 1
请问你是用的什么算法进行相机和雷达的外参标定?

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