{
  "template": "Neudorfer MDA 990HCP, MNI152b-oriented native reference",
  "space": "RAS mm",
  "source_url": "https://zenodo.org/records/3942115",
  "method_url": "https://doi.org/10.1038/s41597-020-00644-6",
  "source_inputs": [
    {
      "file": "Estimated_volumes_of_hypothalamus_proper_its_divisions_and_nuclei.csv",
      "bytes": 1050,
      "sha256": "fe35f44e580340488bcc1d2a801fda0d87d312d303793125080a71389faddab4"
    },
    {
      "file": "MDA_990HCP_atlas_labels_0.5mm.nii.gz",
      "bytes": 291751,
      "sha256": "ae8c505de40db91ea81b686dcc79eceefa3e5538f3dd5711f367f7e8b04ea79c"
    },
    {
      "file": "MDA_990HCP_t1_MNI152b_0.5.nii.gz",
      "bytes": 58882009,
      "sha256": "20e35d3dcb39f798afc3c2340adfcb6b1a571e29f1892942585ef95f07125c14"
    },
    {
      "file": "README.txt",
      "bytes": 2634,
      "sha256": "1966fdd80319db97842330eef0a2fbd3e18773a24805a9f69fbd1bfb76ddd0f8"
    },
    {
      "file": "Volumes_names-labels.csv",
      "bytes": 2068,
      "sha256": "31ce37c47edb7aafc0c69661289f2b6e7c12a7c3b6c36c063432333b9ac8a201"
    }
  ],
  "license": "CC BY 4.0",
  "attribution": "ATTRIBUTION.txt",
  "includedLabels": [
    19,
    20,
    21,
    22,
    23,
    24,
    25,
    26,
    27,
    28,
    29,
    30,
    31,
    32,
    37,
    38,
    45,
    46,
    47,
    48,
    49,
    50,
    51,
    52,
    53,
    54
  ],
  "processing": "Per-label cropped binary masks, one voxel zero padding, Lewiner marching cubes at 0.5, no smoothing or decimation. Transform vertices with original NIfTI affine. Preserve all components. Correct only the display typo hypotahalamic; retain original source name.",
  "MRI": {
    "template": "Neudorfer MDA 990HCP, MNI152b-oriented native reference",
    "sourceFile": "MDA_990HCP_t1_MNI152b_0.5.nii.gz",
    "sourceSHA256": "20e35d3dcb39f798afc3c2340adfcb6b1a571e29f1892942585ef95f07125c14",
    "sourceSpacingMm": [
      0.5,
      0.5,
      0.5
    ],
    "displayPixelSpacingMm": 0.25,
    "displayResolutionNote": "Linear upsampling of 0.5 mm source MRI, not additional anatomical resolution.",
    "width": 256,
    "height": 256,
    "sliceIndexRange": [
      0,
      128
    ],
    "sliceStepMm": 0.5,
    "axisOriginMm": {
      "sagittal": -32,
      "coronal": -40,
      "axial": -40
    },
    "pixelToWorld": {
      "sagittal": "x=-32+0.5*index; y=-40+0.25*column; z=24-0.25*row",
      "coronal": "x=32-0.25*column; y=-40+0.5*index; z=24-0.25*row",
      "axial": "x=32-0.25*column; y=24-0.25*row; z=-40+0.5*index"
    },
    "window": [
      0,
      8.177948951721191
    ],
    "encoding": "lossless grayscale WebP",
    "review": "All decoded image pixels equal pre-encoded output; independent world-coordinate checks pending UI integration"
  },
  "limitations": [
    "26 source-defined regions, not a complete solid hypothalamus or every nucleus.",
    "Labels remain in the matching MDA reference; no registration to fsaverage or the brainstem 2009c study.",
    "Small labels have uncertain MRI boundaries. Source voxel size does not establish biological accuracy.",
    "All components of included labels are retained, including the small disconnected component of left arcuate label 30.",
    "Neighboring structures are excluded. Source left red nucleus label 18 has distant voxels documented in conversion-review.json and independent-review.json."
  ],
  "review": "Internal source, grid, mesh and sampled MRI checks passed. Qualified anatomical review pending."
}