{
  "target_markers_xyz": [
    [
      1.706273128353516,
      0.41961451407634515,
      -0.3775599196335173
    ],
    [
      1.7616462440496479,
      0.46293692833256417,
      -0.17832821721316394
    ],
    [
      1.6050892510358268,
      0.6983626008280702,
      -0.4101553462750309
    ],
    [
      1.6587557915044995,
      0.7396699591024901,
      -0.20999822653279998
    ]
  ],
  "target_center_xyz": [
    1.683113229275152,
    0.5796955522794125,
    -0.2942946719917663
  ],
  "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."
}