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Issue of how to transform the frame_id of image to frame_id of ouster lidar #48

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yulan0215 opened this issue Jul 17, 2022 · 0 comments

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@yulan0215
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yulan0215 commented Jul 17, 2022

Hi:

I am sorry I have a question that when I finish calibration and get the extrinsic parameter. Because I want to show the TF of camera frame and lidar frame. I used the tf ros:

node pkg="tf" type="static_transform_publisher" name="link1_broadcaster" args="** 0.08427359 -0.13105274 -0.10418258 -1.5702098535942404 0.20294634372269404 3.1335577** os1_lidar camera_frame 100"

This is the calibration result:
Euler angles (RPY): (-1.5702098535942404, 0.20294634372269404, 3.133557704397065)
Rotation Matrix: [[ -9.79445359e-01 2.01544824e-01 -8.15306477e-03]
[ 7.86996306e-03 -2.20592937e-03 -9.99966598e-01]
[ -2.01556077e-01 -9.79476808e-01 5.74436965e-04]]
Translation Offsets: [[ 0.08427359 -0.13105274 -0.10418258]]

But from TF in RVIZ, it seems to be that the frame of ouster lidar and camera were wrong, do you have any idea about that? Thx!

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