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Robustify IMU integration #3

Description

@nashj

Feature Request to protect against IMU dropout.

Ideas:

  • Provide a list of IMUs to SERPENT, and have SERPENT build a CombinedIMUFactor for each. The ordering of these IMUs would indicate which should be preferred for motion distortion correction and as an initial guess for registration/stereo modules.
  • Cope with all IMUs failing, by detecting when no IMU messages have arrived for a certain amount of time, and then adjusting the logic of motion prediction and backend optimisation accordingly.

Activity

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