{
  "target_markers_xyz": [
    [
      5.713697215408155,
      0.8795582696970273,
      -0.15086404468314596
    ],
    [
      5.703477424158527,
      0.9078308082834683,
      0.05639771198216237
    ],
    [
      5.6273082929553535,
      1.161680856292863,
      -0.19602758690704203
    ],
    [
      5.6144332061434445,
      1.1895594695581944,
      0.01327956943042663
    ]
  ],
  "target_center_xyz": [
    5.664729239132335,
    1.0346394709134865,
    -0.06924341099799647
  ],
  "description": "4 individual corner-reflector target markers ('CalibrationTarget-Marker 1..4'), mean over ~630 raw OptiTrack frames for this position, transform-corrected into the published radar-centered frame (see calibration/axis_convention.json). target_center_xyz is the corresponding transformed rigid-body centroid."
}