{
 "scene": "FIORD_Building_In",
 "fiord_folder": "parakennus",
 "transform_mesh_to_gt": [
  [
   -1.3490453176999628,
   0.018804531401064924,
   1.082752411112599,
   6.187806489612324
  ],
  [
   1.0823728433624822,
   -0.031345924715846615,
   1.3491167941785827,
   -7.0430923173845645
  ],
  [
   0.034284429742799265,
   1.7295356272659352,
   0.012678930345903703,
   128.77591713024893
  ],
  [
   0.0,
   0.0,
   0.0,
   1.0
  ]
 ],
 "scale": 1.7299218662643603,
 "description": "4x4 similarity transform (row-major) mapping this folder's world frame, shared by mesh/, gaussians*/ and cameras.json, into the frame of the FIORD LiDAR ground truth in metres. The paper's method-independent SfM-to-LiDAR registration, applied identically to every method.",
 "use": "x_gt = (transform_mesh_to_gt @ [x, 1])[:3]; the paper scores F-score at 10 cm in this frame.",
 "source_sha256": "3cd48adf002b2528bbc053a68357b5581ca78e22ff3fa586cd627ac09da6fbac"
}