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Initial sensor calibration with Kalibr

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multiagent-mapping-sheep edited this page Nov 27, 2017 · 1 revision

Kalibr can be used to get ncamera calibration file necessary for maplab and ROVIOLI.

  1. Create a new catkin workspace, clone and build Kalibr using the installation instructions from the Kalibr wiki.
  2. Calibrate your sensor and obtain a Kalibr camchain yaml file. Check with the Kalibr wiki on how to do that. The relevant tutorials for a VI sensor: [1] camera calibration, [2] camera-IMU calibration
  3. Convert the Kalibr output into the maplab format. Run the following command:
rosrun kalibr kalibr_maplab_config --to-ncamera \
    --label <your_label> \
    --cam <your_cam_chain_yaml>

where <your_label> is an arbitrary string to identify your ncamera setup and <your_cam_chain_yaml> refers to the file you receive from Kalibr in step 2.

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