{
  "author": "Olivia Klee, Julia Buechler, Molly Fears, Caroline Gosser, Jeffery Baker and Kahra Nix",
  "source": "https://ojs.library.queensu.ca/index.php/pocus/article/view/20821",
  "license": "CC BY 4.0",
  "license_url": "https://creativecommons.org/licenses/by/4.0/",
  "original_sha256": "fd0ce3c4dec511e421ffd944fad9c751dd4882b024c4fa6a4f336ffac8a031b6",
  "original_file": "aorta-13104.mov",
  "crop": [
    280,
    160,
    1160,
    870
  ],
  "frames": 310,
  "last_frame_seconds": 5.36667,
  "changes": "Original decoded frames; cropped and uniformly resized, letterboxed where necessary. No generated anatomy or temporal interpolation.",
  "annotations": "Separate manual teaching contours in reviewed visibility intervals, interpolated between keyframes; not clinically validated. Adaptations retain the source licence.",
  "additional_annotations": "Independent teaching annotations: IVC visible lumen 0\u20131.72 s; SMA lumen 0\u20132.72 s, based on anatomical position and continuity. No flow assessment or measurement. CC BY 4.0.",
  "bifurcation_annotations": {
    "interval": [
      4.23333,
      5.36667
    ],
    "split_lumina_start": 4.7,
    "labels": [
      "Bifurcatio aortae",
      "Arteria iliaca communis dextra",
      "Arteria iliaca communis sinistra"
    ],
    "basis": "Independent manual teaching contours after review of the continuous distal transverse sweep; standard transverse patient-right/image-left orientation. Not supplied by the source authors or clinically validated.",
    "anatomy_reference": "https://www.acep.org/sonoguide/basic/aorta/",
    "license": "CC BY 4.0"
  }
}