{
  "region": "lumbosacral-pelvis",
  "subject": "s0024",
  "source": {
    "name": "TotalSegmentator CT dataset",
    "doi": "https://doi.org/10.5281/zenodo.6802613",
    "licence": "CC BY 4.0",
    "licenceUrl": "https://creativecommons.org/licenses/by/4.0/",
    "citation": "Wasserthal J, Breit H-C, Meyer MT, et al. TotalSegmentator: Robust Segmentation of 104 Anatomic Structures in CT Images. University Hospital Basel.",
    "tool": "https://github.com/wasserth/TotalSegmentator (Apache-2.0)",
    "note": "Derivative work: segmentation masks meshed, smoothed and decimated. Not the source scan, and not diagnostic."
  },
  "pipeline": {
    "script": "scripts/segmentations-to-glb.py",
    "smoothMm": 1.5,
    "upsample": 2,
    "maxEdgeMm": 1.2,
    "fullDetail": false,
    "sacralCanalReconstruction": {
      "version": "s0024-l1-sacral-canal-v2",
      "sourceSha256": "304052fa13b980c2794e9480fc822665ad0b9566f9005790681b3dc656cd20d8",
      "removedVolumeMl": 8.179017504390504,
      "provenance": "Authored CT-informed sacral channel; not a segmented canal label",
      "script": "scripts/reconstruct-sacral-canal.mjs",
      "sourceScan": "s0024",
      "spatialResolutionMm": 1.5,
      "reviewStatus": "authored, unreviewed"
    }
  },
  "structures": [
    {
      "structureId": "vertebra-l1",
      "source": "vertebrae_L1",
      "faces": 22000,
      "smoothSigmaMm": 1.5,
      "medianEdgeMm": 1.157
    },
    {
      "structureId": "vertebra-l2",
      "source": "vertebrae_L2",
      "faces": 26000,
      "smoothSigmaMm": 1.5,
      "medianEdgeMm": 1.118
    },
    {
      "structureId": "vertebra-l3",
      "source": "vertebrae_L3",
      "faces": 26000,
      "smoothSigmaMm": 1.5,
      "medianEdgeMm": 1.138
    },
    {
      "structureId": "vertebra-l4",
      "source": "vertebrae_L4",
      "faces": 24000,
      "smoothSigmaMm": 1.5,
      "medianEdgeMm": 1.159
    },
    {
      "structureId": "vertebra-l5",
      "source": "vertebrae_L5",
      "faces": 24000,
      "smoothSigmaMm": 1.5,
      "medianEdgeMm": 1.134
    },
    {
      "structureId": "sacrum",
      "source": "sacrum+vertebrae_S1",
      "faces": 97898,
      "smoothSigmaMm": 1.5,
      "medianEdgeMm": 1.123,
      "canalProvenance": "CT-informed authored reconstruction; not a segmented canal label"
    },
    {
      "structureId": "ilium-left",
      "source": "hip_left",
      "faces": 109996,
      "smoothSigmaMm": 1.5,
      "medianEdgeMm": 1.113
    },
    {
      "structureId": "ilium-right",
      "source": "hip_right",
      "faces": 109998,
      "smoothSigmaMm": 1.5,
      "medianEdgeMm": 1.115
    }
  ],
  "sha256_uncompressed": "92cb43730941417cb79fab0d622553d37eef7dc2c2f72264f14dfe95af42f160"
}