{
  "target_markers_xyz": [
    [
      1.4883452921189468,
      0.5342263379511502,
      -0.13024459154525236
    ],
    [
      1.4834183570528798,
      0.5462764318274652,
      0.07934530403052475
    ],
    [
      1.3705606592503679,
      0.8056634273889521,
      -0.15127799122404895
    ],
    [
      1.3636984909713803,
      0.8182793572132526,
      0.05945620802517837
    ]
  ],
  "target_center_xyz": [
    1.4266048785217211,
    0.6766084944914396,
    -0.035610154513675774
  ],
  "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."
}