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voxlcam stereo calibration issue

Scheduled Pinned Locked Moved VOXL-CAM
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  • S Offline
    S Offline
    serge
    Contributor
    wrote on last edited by
    #1

    we tryed to calibrate the he stereo cam of fresh received original voxlcam following your web, and we get calibration error, please check below:

    voxl:~$ voxl-calibrate-camera stereo -s 6x8 -l 0.0305
    Sampling overlapping images now
    Enter an empty line to take a sample or "stop" to finish sampling

    Taking Frame

    Taking Frame

    Taking Frame
    stop
    Stopping sampling
    Calibrating Left Camera
    Matrix
    [492.1770564681099, 0, 295.4825398094734;
    0, 492.8901026252761, 209.272634625896;
    0, 0, 1]
    Distortion
    [-0.1594579771759119;
    0.04962863321553145;
    -0.001253636483962171;
    -0.001198103506208682;
    0]
    distortion_model: plumb_bob
    Re-projection error reported by calibrateCamera: 0.397087
    Calibration Succeded!
    Calibrating Right Camera
    Matrix
    [494.8907451968516, 0, 316.5899881855318;
    0, 495.6589926401959, 253.4642768466877;
    0, 0, 1]
    Distortion
    [-0.1745222226485783;
    0.07184982910704507;
    -0.0007935469814187805;
    0.002257594081306318;
    0]
    distortion_model: plumb_bob
    Re-projection error reported by calibrateCamera: 0.416621
    Calibration Succeded!
    Calibrating Extrinsics
    3 frames will be processed
    R
    [-0.9974198548962341, -0.03078682869103906, 0.06485217219125451;
    0.03354128911161051, -0.9985619529928232, 0.04182114249862379;
    0.06347137136935731, 0.04388846333955487, 0.9970181481809569]
    T
    [0.001165923908125856;
    -0.01414810568973897;
    -0.008488033152070548]
    Re-projection error reported by stereoCalibrate: 79.097565
    Extrinsics Calibration Failed
    Max reprojection error: 0.5

    A 1 Reply Last reply
    0
    • S serge

      we tryed to calibrate the he stereo cam of fresh received original voxlcam following your web, and we get calibration error, please check below:

      voxl:~$ voxl-calibrate-camera stereo -s 6x8 -l 0.0305
      Sampling overlapping images now
      Enter an empty line to take a sample or "stop" to finish sampling

      Taking Frame

      Taking Frame

      Taking Frame
      stop
      Stopping sampling
      Calibrating Left Camera
      Matrix
      [492.1770564681099, 0, 295.4825398094734;
      0, 492.8901026252761, 209.272634625896;
      0, 0, 1]
      Distortion
      [-0.1594579771759119;
      0.04962863321553145;
      -0.001253636483962171;
      -0.001198103506208682;
      0]
      distortion_model: plumb_bob
      Re-projection error reported by calibrateCamera: 0.397087
      Calibration Succeded!
      Calibrating Right Camera
      Matrix
      [494.8907451968516, 0, 316.5899881855318;
      0, 495.6589926401959, 253.4642768466877;
      0, 0, 1]
      Distortion
      [-0.1745222226485783;
      0.07184982910704507;
      -0.0007935469814187805;
      0.002257594081306318;
      0]
      distortion_model: plumb_bob
      Re-projection error reported by calibrateCamera: 0.416621
      Calibration Succeded!
      Calibrating Extrinsics
      3 frames will be processed
      R
      [-0.9974198548962341, -0.03078682869103906, 0.06485217219125451;
      0.03354128911161051, -0.9985619529928232, 0.04182114249862379;
      0.06347137136935731, 0.04388846333955487, 0.9970181481809569]
      T
      [0.001165923908125856;
      -0.01414810568973897;
      -0.008488033152070548]
      Re-projection error reported by stereoCalibrate: 79.097565
      Extrinsics Calibration Failed
      Max reprojection error: 0.5

      A Offline
      A Offline
      afdrus
      Regular
      wrote on last edited by
      #2

      @serge I am also facing the same issue, did you solve it?

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