{
  "schemaVersion": 1,
  "session": "2025-05-26-HarrisHillCCW",
  "annotationProvenance": "Original photos visually reviewed; James identified on silver SV650. User confirmed IMG_0942 Aprilia rider as reference on 2026-09-15. No ground-truth landmarks.",
  "pairs": [
    {
      "id": "A001",
      "file": "IMG_0943.jpeg",
      "riders": [
        {
          "role": "subject",
          "rider": "James",
          "panel": {
            "x": 0,
            "y": 0,
            "width": 2296,
            "height": 1427
          },
          "crop": {
            "x": 0,
            "y": 0,
            "width": 2296,
            "height": 1427
          },
          "annotations": [],
          "torsoLength": null,
          "annotationNote": "White-helmeted silver SV650 rider. No ground-truth landmarks."
        },
        {
          "role": "reference",
          "rider": "Reference rider",
          "file": "IMG_0942.jpeg",
          "panel": {
            "x": 0,
            "y": 0,
            "width": 2360,
            "height": 1640
          },
          "crop": {
            "x": 790,
            "y": 630,
            "width": 830,
            "height": 470
          },
          "annotations": [],
          "torsoLength": null,
          "annotationNote": "User-confirmed Aprilia reference rider; detection crop contains rider and motorcycle. No ground-truth landmarks."
        }
      ]
    }
  ]
}