{
  "reviewed_photos": 237,
  "original_video": {
    "file": "IMG_6125.MOV",
    "seconds": 2.1,
    "resolution": "3840x2160"
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      "seconds": 6.7,
      "method": "reconstruction"
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      "group": "navona-night",
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      "models": [],
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    },
    {
      "group": "colosseum",
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      ],
      "models": [
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          "model": 0,
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          "images": [
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            "105.jpg",
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            "189.jpg",
            "179.jpg",
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            "216.jpg"
          ]
        }
      ],
      "method": "calibrated"
    },
    {
      "group": "castel",
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        214
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        {
          "model": 0,
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          "points": 123,
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          "images": [
            "069.jpg",
            "071.jpg"
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        },
        {
          "model": 1,
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          "points": 35,
          "mean_reprojection_error": 0.765062201828958,
          "images": [
            "044.jpg",
            "050.jpg",
            "048.jpg"
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      ],
      "seconds": 10.7,
      "method": "reconstruction"
    },
    {
      "group": "tiber",
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        4,
        5,
        6,
        7,
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        155,
        175,
        195,
        196,
        197,
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        202,
        203
      ],
      "models": [
        {
          "model": 0,
          "registered_images": 5,
          "points": 545,
          "mean_reprojection_error": 0.8145178570306623,
          "images": [
            "175.jpg",
            "196.jpg",
            "195.jpg",
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  ],
  "limits": [
    "Sparse point clouds only; no dense meshes or Gaussian splats generated.",
    "Unobserved geometry is missing.",
    "Images span different dates; matching may be affected by moving people, water, lens distortion, and lighting.",
    "Points are not surveyed or georeferenced.",
    "YouTube clips were not downloaded or used for reconstruction."
  ]
}