{
  "title": "Porta hepatis \u00b7 B-mode \u00b7 D3Pro \u00b7 5 MHz",
  "displayTitle": "Liver \u00b7 hilar window",
  "creator": "Suresult",
  "id": "32542",
  "asset": "0641",
  "url": "https://suresultmed.com/suresult-video-library/#clip-post-32542",
  "directUrl": "https://suresultmed.com/wp-content/uploads/suresult-asset-0641-liver-ultrasound-clip-with-convex-wireless-probe-fs.mp4",
  "license": "Creative Commons Attribution 4.0 International (CC BY 4.0)",
  "licenseUrl": "https://creativecommons.org/licenses/by/4.0/",
  "licenseEvidence": "https://suresultmed.com/image-license/",
  "individualLicenseEvidence": {
    "@id": "https://suresultmed.com/suresult-video-library/#video-32542",
    "url": "https://suresultmed.com/suresult-video-library/#clip-post-32542",
    "contentUrl": "https://suresultmed.com/wp-content/uploads/suresult-asset-0641-liver-ultrasound-clip-with-convex-wireless-probe-fs.mp4",
    "license": "https://creativecommons.org/licenses/by/4.0/",
    "creator": {
      "@id": "https://suresultmed.com/#organization"
    },
    "creditText": "Suresult (suresultmed.com)",
    "copyrightNotice": "\u00a9 Suresult",
    "acquireLicensePage": "https://suresultmed.com/image-license/",
    "duration": "PT10S"
  },
  "commercial_reuse": true,
  "checked": "2026-10-30",
  "attribution": "Image adapted from Suresult (suresultmed.com), CC BY 4.0. Source: Porta hepatis \u00b7 B-mode \u00b7 D3Pro \u00b7 5 MHz. Modifications: source-exterior interface masking, crop, uniform resize and independent teaching overlays.",
  "attribution_location": "Sources & about, study information source link, and this source.json",
  "source_sha256": "29123afb002957c740b4b223f94f6a75a6e0d75a56cc64c1bc722b9777caaed5",
  "sourceSha256": "29123afb002957c740b4b223f94f6a75a6e0d75a56cc64c1bc722b9777caaed5",
  "sourceDuration": 10,
  "sourceResolution": [
    912,
    672
  ],
  "fps": 10,
  "sourceFrameCount": 100,
  "sourceInterval": [
    0,
    9.9
  ],
  "displayFrames": 100,
  "sourceCrop": [
    34,
    8,
    856,
    642
  ],
  "displayResolution": [
    716,
    537
  ],
  "adaptations": "All 100 consecutive original frames at native 10 fps. Black mask is limited to the exterior of the acquisition sector, removing non-anatomical screen furniture. Crop then uniform resize to716x537. No spatial registration to illustrated patient, temporal interpolation, synthetic images, clinical pixel retouching, looping or joined clips.",
  "scope": "Regional hilar fanning with physiological motion, not a calibrated skin sweep or a whole-organ examination.",
  "annotation_method": "Reviewed source-frame windows with constrained local grayscale-edge refinement for each lumen; manual liver and superficial-tissue boundaries; late diaphragm interface. Same source-frame index is used for image and annotations. Approximate teaching outlines, not clinically validated segmentation.",
  "annotated_structures": [
    "Visible liver parenchyma",
    "Central hilar lumen (exact identity unconfirmed)",
    "Adjacent hilar lumen (exact identity unconfirmed)",
    "Selected tubular intrahepatic lumina without arterial/venous subtype",
    "Superficial soft tissues",
    "Diaphragm interface (7.8\u20139.9s)"
  ],
  "not_identified": [
    "No definitive main portal vein or named branch assigned",
    "No hepatic artery or bile duct assignment",
    "No gallbladder neck assignment",
    "No aorta, vena cava, spine or kidney assignment in ambiguous posterior regions"
  ],
  "anatomical_references": [
    "https://www.acep.org/sonoguide/advanced/resource-limited-settings",
    "https://efsumb.org/wp-content/uploads/2023/07/ECB2nd-Chapter02_Liver.pdf",
    "https://www.aium.org/docs/default-source/accreditation/case-study-requirements/abdominal.pdf"
  ],
  "clinicalValidation": false
}