{
  "schema_version": "1.0",
  "created_utc": "2026-06-01T18:52:04Z",
  "vision_config": {
    "MarkerType": "DICT_4X4_250",
    "MarkerSize": 0.025
  },
  "camera": {
    "camera_id": "d",
    "intrinsics_file": "C:\\Users\\kech\\SynologyDrive\\2026-AppServer-AppRobot\\appRobotRendering\\data\\simulation\\Scene7\\render_a.npz",
    "camera_matrix": [
      [
        1777.77783203125,
        0.0,
        640.0
      ],
      [
        0.0,
        1777.77783203125,
        360.0
      ],
      [
        0.0,
        0.0,
        1.0
      ]
    ],
    "distortion_coefficients": [
      0.0,
      0.0,
      0.0,
      0.0,
      0.0
    ]
  },
  "image": {
    "image_file": "C:\\Users\\kech\\SynologyDrive\\2026-AppServer-AppRobot\\appRobotRendering\\data\\simulation\\Scene7\\render_d.png",
    "image_sha256": "04918cd2e32b115b2d4b676153804d9437c57244bf336a884f5146877ba8a5b8",
    "width_px": 1280,
    "height_px": 720
  },
  "aruco": {
    "dictionary": "DICT_4X4_250",
    "num_detected_markers": 19,
    "num_rejected_candidates": 8
  },
  "detections": [
    {
      "observation_id": "bdeb975c-168d-463b-918e-506fb711d298",
      "type": "aruco",
      "marker_id": 114,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          696.0,
          247.0
        ],
        [
          649.0,
          250.0
        ],
        [
          653.0,
          193.0
        ],
        [
          698.0,
          193.0
        ]
      ],
      "center_px": [
        674.0,
        220.75
      ],
      "quality": {
        "area_px": 2548.5,
        "perimeter_px": 203.2728500366211,
        "sharpness": {
          "laplacian_var": 296.8870877926384
        },
        "contrast": {
          "p05": 5.0,
          "p95": 97.0,
          "dynamic_range": 92.0,
          "mean_gray": 30.20258367586612,
          "std_gray": 37.42155709202801
        },
        "geometry": {
          "distance_to_center_norm": 0.1952066868543625,
          "distance_to_border_px": 193.0
        },
        "edge_ratio": 1.2697817484537761,
        "edge_lengths_px": [
          47.095645904541016,
          57.14017868041992,
          45.0,
          54.037025451660156
        ]
      },
      "confidence": 0.7875369142907499
    },
    {
      "observation_id": "2ff28b10-4e16-478c-bc43-c1bc39e1183c",
      "type": "aruco",
      "marker_id": 120,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          691.0,
          394.0
        ],
        [
          645.0,
          402.0
        ],
        [
          646.0,
          348.0
        ],
        [
          692.0,
          344.0
        ]
      ],
      "center_px": [
        668.5,
        372.0
      ],
      "quality": {
        "area_px": 2386.0,
        "perimeter_px": 196.8833122253418,
        "sharpness": {
          "laplacian_var": 344.03551356844446
        },
        "contrast": {
          "p05": 7.0,
          "p95": 100.0,
          "dynamic_range": 93.0,
          "mean_gray": 28.278527607361962,
          "std_gray": 35.284049373099855
        },
        "geometry": {
          "distance_to_center_norm": 0.042112477123737335,
          "distance_to_border_px": 318.0
        },
        "edge_ratio": 1.169700369989478,
        "edge_lengths_px": [
          46.69047164916992,
          54.00925827026367,
          46.173583984375,
          50.0099983215332
        ]
      },
      "confidence": 0.8549197945530235
    },
    {
      "observation_id": "3f020c4c-01a6-4d48-8ee1-94d5e2bc9a90",
      "type": "aruco",
      "marker_id": 245,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          602.0,
          579.0
        ],
        [
          601.0,
          627.0
        ],
        [
          560.0,
          615.0
        ],
        [
          561.0,
          567.0
        ]
      ],
      "center_px": [
        581.0,
        597.0
      ],
      "quality": {
        "area_px": 1980.0,
        "perimeter_px": 181.46086883544922,
        "sharpness": {
          "laplacian_var": 1902.2355001384296
        },
        "contrast": {
          "p05": 28.0,
          "p95": 178.0,
          "dynamic_range": 150.0,
          "mean_gray": 85.27238525206923,
          "std_gray": 68.44293947726091
        },
        "geometry": {
          "distance_to_center_norm": 0.33260616660118103,
          "distance_to_border_px": 93.0
        },
        "edge_ratio": 1.1238387480369543,
        "edge_lengths_px": [
          48.010414123535156,
          42.72002029418945,
          48.010414123535156,
          42.72002029418945
        ]
      },
      "confidence": 0.8898073693817129
    },
    {
      "observation_id": "aef0a66e-0b43-46dd-b646-eef6de91a4ab",
      "type": "aruco",
      "marker_id": 248,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          539.0,
          561.0
        ],
        [
          539.0,
          608.0
        ],
        [
          500.0,
          597.0
        ],
        [
          500.0,
          550.0
        ]
      ],
      "center_px": [
        519.5,
        579.0
      ],
      "quality": {
        "area_px": 1833.0,
        "perimeter_px": 175.04319763183594,
        "sharpness": {
          "laplacian_var": 2441.0703858862366
        },
        "contrast": {
          "p05": 29.0,
          "p95": 180.0,
          "dynamic_range": 151.0,
          "mean_gray": 91.13752913752914,
          "std_gray": 68.91652697461572
        },
        "geometry": {
          "distance_to_center_norm": 0.3404081165790558,
          "distance_to_border_px": 112.0
        },
        "edge_ratio": 1.1598752609321314,
        "edge_lengths_px": [
          47.0,
          40.52159881591797,
          47.0,
          40.52159881591797
        ]
      },
      "confidence": 0.8621616769344248
    },
    {
      "observation_id": "44aef80a-3a57-47d7-9774-b1c28cf90f9d",
      "type": "aruco",
      "marker_id": 243,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          418.0,
          534.0
        ],
        [
          455.0,
          544.0
        ],
        [
          458.0,
          588.0
        ],
        [
          421.0,
          577.0
        ]
      ],
      "center_px": [
        438.0,
        560.75
      ],
      "quality": {
        "area_px": 1578.0,
        "perimeter_px": 164.1347312927246,
        "sharpness": {
          "laplacian_var": 2019.3188777144892
        },
        "contrast": {
          "p05": 29.0,
          "p95": 178.0,
          "dynamic_range": 149.0,
          "mean_gray": 79.06981132075472,
          "std_gray": 65.86556372544048
        },
        "geometry": {
          "distance_to_center_norm": 0.38783565163612366,
          "distance_to_border_px": 132.0
        },
        "edge_ratio": 1.1506649425608824,
        "edge_lengths_px": [
          38.327537536621094,
          44.10215377807617,
          38.60051727294922,
          43.104522705078125
        ]
      },
      "confidence": 0.8690627158366645
    },
    {
      "observation_id": "b9074860-462f-4bad-96fe-d76697a03d18",
      "type": "aruco",
      "marker_id": 244,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          697.0,
          609.0
        ],
        [
          668.0,
          627.0
        ],
        [
          671.0,
          576.0
        ],
        [
          699.0,
          562.0
        ]
      ],
      "center_px": [
        683.75,
        593.5
      ],
      "quality": {
        "area_px": 1356.5,
        "perimeter_px": 163.56773948669434,
        "sharpness": {
          "laplacian_var": 575.7022258054884
        },
        "contrast": {
          "p05": 15.0,
          "p95": 90.0,
          "dynamic_range": 75.0,
          "mean_gray": 47.774863387978144,
          "std_gray": 33.4939782836481
        },
        "geometry": {
          "distance_to_center_norm": 0.3235224187374115,
          "distance_to_border_px": 93.0
        },
        "edge_ratio": 1.6319512848834974,
        "edge_lengths_px": [
          34.13209533691406,
          51.088157653808594,
          31.30495262145996,
          47.04253387451172
        ]
      },
      "confidence": 0.519508460732346
    },
    {
      "observation_id": "cba44a75-15a4-4077-bdf0-08ffb49b80b6",
      "type": "aruco",
      "marker_id": 115,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          580.0,
          244.0
        ],
        [
          555.0,
          235.0
        ],
        [
          557.0,
          184.0
        ],
        [
          581.0,
          191.0
        ]
      ],
      "center_px": [
        568.25,
        213.5
      ],
      "quality": {
        "area_px": 1286.0,
        "perimeter_px": 155.61929321289062,
        "sharpness": {
          "laplacian_var": 1666.613857176539
        },
        "contrast": {
          "p05": 31.0,
          "p95": 188.0,
          "dynamic_range": 157.0,
          "mean_gray": 64.44040862656072,
          "std_gray": 58.31001652049814
        },
        "geometry": {
          "distance_to_center_norm": 0.22215192019939423,
          "distance_to_border_px": 184.0
        },
        "edge_ratio": 2.1203773498535154,
        "edge_lengths_px": [
          26.570659637451172,
          51.03919982910156,
          25.0,
          53.00943374633789
        ]
      },
      "confidence": 0.40433054682109365
    },
    {
      "observation_id": "8a2b64e1-4d97-4ca3-b2e0-04d9e60cc708",
      "type": "aruco",
      "marker_id": 208,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          876.0,
          681.0
        ],
        [
          921.0,
          694.0
        ],
        [
          900.0,
          712.0
        ],
        [
          853.0,
          699.0
        ]
      ],
      "center_px": [
        887.5,
        696.5
      ],
      "quality": {
        "area_px": 1114.0,
        "perimeter_px": 152.46969032287598,
        "sharpness": {
          "laplacian_var": 2655.8515047585634
        },
        "contrast": {
          "p05": 12.0,
          "p95": 158.0,
          "dynamic_range": 146.0,
          "mean_gray": 63.262251655629136,
          "std_gray": 62.09268946499477
        },
        "geometry": {
          "distance_to_center_norm": 0.5688640475273132,
          "distance_to_border_px": 8.0
        },
        "edge_ratio": 1.7630928433655677,
        "edge_lengths_px": [
          46.840152740478516,
          27.658634185791016,
          48.764739990234375,
          29.20616340637207
        ]
      },
      "confidence": 0.06739671544456982
    },
    {
      "observation_id": "ddd869fe-e892-4378-b4e4-d14e33bfe144",
      "type": "aruco",
      "marker_id": 232,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          562.0,
          622.0
        ],
        [
          603.0,
          635.0
        ],
        [
          624.0,
          657.0
        ],
        [
          583.0,
          645.0
        ]
      ],
      "center_px": [
        593.0,
        639.75
      ],
      "quality": {
        "area_px": 660.0,
        "perimeter_px": 147.290283203125,
        "sharpness": {
          "laplacian_var": 3128.4368083447152
        },
        "contrast": {
          "p05": 33.0,
          "p95": 134.5,
          "dynamic_range": 101.5,
          "mean_gray": 78.95116772823779,
          "std_gray": 40.55490568962231
        },
        "geometry": {
          "distance_to_center_norm": 0.38631317019462585,
          "distance_to_border_px": 63.0
        },
        "edge_ratio": 1.4142135913757259,
        "edge_lengths_px": [
          43.011627197265625,
          30.4138126373291,
          42.72002029418945,
          31.14482307434082
        ]
      },
      "confidence": 0.31112697734150224
    },
    {
      "observation_id": "0b69ea03-7faf-450c-aa78-ceeb6e06f231",
      "type": "aruco",
      "marker_id": 103,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          347.0,
          694.0
        ],
        [
          378.0,
          677.0
        ],
        [
          412.0,
          688.0
        ],
        [
          381.0,
          706.0
        ]
      ],
      "center_px": [
        379.5,
        691.25
      ],
      "quality": {
        "area_px": 951.5,
        "perimeter_px": 142.9928855895996,
        "sharpness": {
          "laplacian_var": 3317.1906072359197
        },
        "contrast": {
          "p05": 23.0,
          "p95": 180.0,
          "dynamic_range": 157.0,
          "mean_gray": 113.1158357771261,
          "std_gray": 69.14125378552673
        },
        "geometry": {
          "distance_to_center_norm": 0.5738922953605652,
          "distance_to_border_px": 14.0
        },
        "edge_ratio": 1.0198038667744187,
        "edge_lengths_px": [
          35.35533905029297,
          35.735137939453125,
          35.84689712524414,
          36.055511474609375
        ]
      },
      "confidence": 0.17416420855033052
    },
    {
      "observation_id": "285a9edc-10ef-4696-8b94-fbacdf8da13a",
      "type": "aruco",
      "marker_id": 58,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          229.0,
          688.0
        ],
        [
          261.0,
          671.0
        ],
        [
          294.0,
          682.0
        ],
        [
          262.0,
          699.0
        ]
      ],
      "center_px": [
        261.5,
        685.0
      ],
      "quality": {
        "area_px": 913.0,
        "perimeter_px": 142.04078674316406,
        "sharpness": {
          "laplacian_var": 3844.5493899259327
        },
        "contrast": {
          "p05": 18.0,
          "p95": 181.0,
          "dynamic_range": 163.0,
          "mean_gray": 77.21505376344086,
          "std_gray": 69.72865878771451
        },
        "geometry": {
          "distance_to_center_norm": 0.6794013381004333,
          "distance_to_border_px": 21.0
        },
        "edge_ratio": 1.0416928171614068,
        "edge_lengths_px": [
          36.2353401184082,
          34.78505325317383,
          36.2353401184082,
          34.78505325317383
        ]
      },
      "confidence": 0.24540823915500745
    },
    {
      "observation_id": "01b83416-848f-4183-bbaa-40b738207337",
      "type": "aruco",
      "marker_id": 215,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          707.0,
          631.0
        ],
        [
          746.0,
          642.0
        ],
        [
          722.0,
          659.0
        ],
        [
          682.0,
          647.0
        ]
      ],
      "center_px": [
        714.25,
        644.75
      ],
      "quality": {
        "area_px": 933.5,
        "perimeter_px": 141.37535285949707,
        "sharpness": {
          "laplacian_var": 487.02713762899936
        },
        "contrast": {
          "p05": 6.0,
          "p95": 75.0,
          "dynamic_range": 69.0,
          "mean_gray": 30.576399394856278,
          "std_gray": 28.208575638125733
        },
        "geometry": {
          "distance_to_center_norm": 0.400749534368515,
          "distance_to_border_px": 61.0
        },
        "edge_ratio": 1.4199242751498353,
        "edge_lengths_px": [
          40.52159881591797,
          29.4108829498291,
          41.761226654052734,
          29.681644439697266
        ]
      },
      "confidence": 0.3780219194740923
    },
    {
      "observation_id": "4625907d-47ef-4518-9703-5c70238d90c3",
      "type": "aruco",
      "marker_id": 214,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          947.0,
          625.0
        ],
        [
          990.0,
          636.0
        ],
        [
          971.0,
          652.0
        ],
        [
          928.0,
          641.0
        ]
      ],
      "center_px": [
        959.0,
        638.5
      ],
      "quality": {
        "area_px": 897.0,
        "perimeter_px": 138.44833374023438,
        "sharpness": {
          "laplacian_var": 2501.353637101308
        },
        "contrast": {
          "p05": 16.0,
          "p95": 147.0,
          "dynamic_range": 131.0,
          "mean_gray": 81.62998405103669,
          "std_gray": 54.56962478743584
        },
        "geometry": {
          "distance_to_center_norm": 0.5766912698745728,
          "distance_to_border_px": 68.0
        },
        "edge_ratio": 1.7868599691439266,
        "edge_lengths_px": [
          44.384681701660156,
          24.83948516845703,
          44.384681701660156,
          24.83948516845703
        ]
      },
      "confidence": 0.33466528453625716
    },
    {
      "observation_id": "eba18b85-4f4e-48cc-97b5-061cd1139ebc",
      "type": "aruco",
      "marker_id": 219,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          717.0,
          158.0
        ],
        [
          705.0,
          165.0
        ],
        [
          707.0,
          110.0
        ],
        [
          719.0,
          106.0
        ]
      ],
      "center_px": [
        712.0,
        134.75
      ],
      "quality": {
        "area_px": 631.0,
        "perimeter_px": 133.61635303497314,
        "sharpness": {
          "laplacian_var": 725.2798629489604
        },
        "contrast": {
          "p05": 16.0,
          "p95": 78.0,
          "dynamic_range": 62.0,
          "mean_gray": 37.45434782608696,
          "std_gray": 23.25810009925237
        },
        "geometry": {
          "distance_to_center_norm": 0.32204362750053406,
          "distance_to_border_px": 106.0
        },
        "edge_ratio": 4.351005469574746,
        "edge_lengths_px": [
          13.892443656921387,
          55.03635025024414,
          12.649110794067383,
          52.038448333740234
        ]
      },
      "confidence": 0.0749290408725987
    },
    {
      "observation_id": "9d1aa856-4d10-49c9-86b5-32fc556af46a",
      "type": "aruco",
      "marker_id": 64,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          180.0,
          634.0
        ],
        [
          212.0,
          620.0
        ],
        [
          242.0,
          630.0
        ],
        [
          211.0,
          644.0
        ]
      ],
      "center_px": [
        211.25,
        632.0
      ],
      "quality": {
        "area_px": 742.0,
        "perimeter_px": 133.13896942138672,
        "sharpness": {
          "laplacian_var": 3269.481112162731
        },
        "contrast": {
          "p05": 18.0,
          "p95": 180.25,
          "dynamic_range": 162.25,
          "mean_gray": 82.16472868217055,
          "std_gray": 69.4497615265105
        },
        "geometry": {
          "distance_to_center_norm": 0.6914733052253723,
          "distance_to_border_px": 76.0
        },
        "edge_ratio": 1.1045360875233317,
        "edge_lengths_px": [
          34.928497314453125,
          31.62277603149414,
          34.01470184326172,
          32.572994232177734
        ]
      },
      "confidence": 0.4478501628460533
    },
    {
      "observation_id": "56f845f1-be99-496a-825e-8e188b406174",
      "type": "aruco",
      "marker_id": 211,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          783.0,
          582.0
        ],
        [
          822.0,
          591.0
        ],
        [
          801.0,
          606.0
        ],
        [
          762.0,
          595.0
        ]
      ],
      "center_px": [
        792.0,
        593.5
      ],
      "quality": {
        "area_px": 756.0,
        "perimeter_px": 131.0517463684082,
        "sharpness": {
          "laplacian_var": 1508.4285688566913
        },
        "contrast": {
          "p05": 11.0,
          "p95": 136.7,
          "dynamic_range": 125.69999999999999,
          "mean_gray": 60.774193548387096,
          "std_gray": 52.81333942947642
        },
        "geometry": {
          "distance_to_center_norm": 0.3794279992580414,
          "distance_to_border_px": 114.0
        },
        "edge_ratio": 1.6406716277865756,
        "edge_lengths_px": [
          40.024993896484375,
          25.806976318359375,
          40.52159881591797,
          24.698177337646484
        ]
      },
      "confidence": 0.3071912693949274
    },
    {
      "observation_id": "e2485caf-47df-4505-b962-4a92e2293a03",
      "type": "aruco",
      "marker_id": 72,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          1223.0,
          599.0
        ],
        [
          1235.0,
          585.0
        ],
        [
          1275.0,
          594.0
        ],
        [
          1264.0,
          608.0
        ]
      ],
      "center_px": [
        1249.25,
        596.5
      ],
      "quality": {
        "area_px": 670.5,
        "perimeter_px": 119.21976661682129,
        "sharpness": {
          "laplacian_var": 2141.796728884391
        },
        "contrast": {
          "p05": 13.0,
          "p95": 157.0,
          "dynamic_range": 144.0,
          "mean_gray": 59.58441558441559,
          "std_gray": 57.40733560589984
        },
        "geometry": {
          "distance_to_center_norm": 0.8900182247161865,
          "distance_to_border_px": 5.0
        },
        "edge_ratio": 2.3576175385513936,
        "edge_lengths_px": [
          18.439088821411133,
          41.0,
          17.804492950439453,
          41.9761848449707
        ]
      },
      "confidence": 0.018959818235601233
    },
    {
      "observation_id": "24e6792f-514a-4232-b163-63c5b370fb83",
      "type": "aruco",
      "marker_id": 84,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          1201.0,
          551.0
        ],
        [
          1213.0,
          541.0
        ],
        [
          1251.0,
          548.0
        ],
        [
          1240.0,
          560.0
        ]
      ],
      "center_px": [
        1226.25,
        550.0
      ],
      "quality": {
        "area_px": 515.5,
        "perimeter_px": 110.56367206573486,
        "sharpness": {
          "laplacian_var": 2284.079094780816
        },
        "contrast": {
          "p05": 14.0,
          "p95": 155.0,
          "dynamic_range": 141.0,
          "mean_gray": 83.44270833333333,
          "std_gray": 55.62066321070132
        },
        "geometry": {
          "distance_to_center_norm": 0.8392595052719116,
          "distance_to_border_px": 29.0
        },
        "edge_ratio": 2.5623376264196214,
        "edge_lengths_px": [
          15.620499610900879,
          38.63935852050781,
          16.278820037841797,
          40.024993896484375
        ]
      },
      "confidence": 0.07779094550673546
    },
    {
      "observation_id": "81e70943-0a84-4345-90d3-70dbc35a905a",
      "type": "aruco",
      "marker_id": 86,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          1151.0,
          520.0
        ],
        [
          1163.0,
          509.0
        ],
        [
          1198.0,
          517.0
        ],
        [
          1188.0,
          527.0
        ]
      ],
      "center_px": [
        1175.0,
        518.25
      ],
      "quality": {
        "area_px": 460.5,
        "perimeter_px": 103.97994232177734,
        "sharpness": {
          "laplacian_var": 3086.8201878597115
        },
        "contrast": {
          "p05": 13.0,
          "p95": 154.0,
          "dynamic_range": 141.0,
          "mean_gray": 81.18731988472622,
          "std_gray": 55.14546715867401
        },
        "geometry": {
          "distance_to_center_norm": 0.7597878575325012,
          "distance_to_border_px": 82.0
        },
        "edge_ratio": 2.6627054473419296,
        "edge_lengths_px": [
          16.278820037841797,
          35.902645111083984,
          14.142135620117188,
          37.656341552734375
        ]
      },
      "confidence": 0.1152962676763461
    }
  ],
  "rejected_candidates": [
    {
      "image_points_px": [
        [
          715.0,
          45.0
        ],
        [
          714.0,
          92.0
        ],
        [
          709.0,
          83.0
        ],
        [
          709.0,
          64.0
        ]
      ],
      "center_px": [
        711.75,
        71.0
      ],
      "area_px": 179.0
    },
    {
      "image_points_px": [
        [
          953.0,
          474.0
        ],
        [
          967.0,
          465.0
        ],
        [
          997.0,
          471.0
        ],
        [
          985.0,
          481.0
        ]
      ],
      "center_px": [
        975.5,
        472.75
      ],
      "area_px": 379.0
    },
    {
      "image_points_px": [
        [
          978.0,
          461.0
        ],
        [
          992.0,
          452.0
        ],
        [
          1021.0,
          459.0
        ],
        [
          1010.0,
          467.0
        ]
      ],
      "center_px": [
        1000.25,
        459.75
      ],
      "area_px": 340.5
    },
    {
      "image_points_px": [
        [
          769.0,
          414.0
        ],
        [
          789.0,
          407.0
        ],
        [
          812.0,
          414.0
        ],
        [
          797.0,
          421.0
        ]
      ],
      "center_px": [
        791.75,
        414.0
      ],
      "area_px": 301.0
    },
    {
      "image_points_px": [
        [
          827.0,
          446.0
        ],
        [
          842.0,
          438.0
        ],
        [
          869.0,
          444.0
        ],
        [
          857.0,
          452.0
        ]
      ],
      "center_px": [
        848.75,
        445.0
      ],
      "area_px": 309.0
    },
    {
      "image_points_px": [
        [
          712.0,
          116.0
        ],
        [
          715.0,
          135.0
        ],
        [
          713.0,
          153.0
        ],
        [
          708.0,
          119.0
        ]
      ],
      "center_px": [
        712.0,
        130.75
      ],
      "area_px": 121.5
    },
    {
      "image_points_px": [
        [
          705.0,
          342.0
        ],
        [
          708.0,
          366.0
        ],
        [
          703.0,
          379.0
        ],
        [
          700.0,
          365.0
        ]
      ],
      "center_px": [
        704.0,
        363.0
      ],
      "area_px": 149.0
    },
    {
      "image_points_px": [
        [
          810.0,
          574.0
        ],
        [
          816.0,
          573.0
        ],
        [
          835.0,
          579.0
        ],
        [
          814.0,
          577.0
        ]
      ],
      "center_px": [
        818.75,
        575.75
      ],
      "area_px": 55.0
    }
  ]
}