{
  "schema_version": "1.0",
  "created_utc": "2026-06-02T11:36:39Z",
  "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\\Scene9b\\render_a.npz",
    "camera_matrix": [
      [
        6775.66162109375,
        0.0,
        2447.249267578125
      ],
      [
        0.0,
        6791.1728515625,
        1629.7935791015625
      ],
      [
        0.0,
        0.0,
        1.0
      ]
    ],
    "distortion_coefficients": [
      0.019999999552965164,
      -0.009999999776482582,
      0.0,
      0.0,
      0.0
    ]
  },
  "image": {
    "image_file": "C:\\Users\\kech\\SynologyDrive\\2026-AppServer-AppRobot\\appRobotRendering\\data\\simulation\\Scene9b\\render_d.png",
    "image_sha256": "e17770e300aa92560569fa9f5da2351ee8897cb55124c219f7c75e2de2fb9059",
    "width_px": 4896,
    "height_px": 3264
  },
  "aruco": {
    "dictionary": "DICT_4X4_250",
    "num_detected_markers": 19,
    "num_rejected_candidates": 10
  },
  "detections": [
    {
      "observation_id": "9e6dc830-3099-4198-90cc-111fc5971167",
      "type": "aruco",
      "marker_id": 113,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          2672.0,
          1241.0
        ],
        [
          2465.0,
          1229.0
        ],
        [
          2468.0,
          1019.0
        ],
        [
          2675.0,
          1030.0
        ]
      ],
      "center_px": [
        2570.0,
        1129.75
      ],
      "quality": {
        "area_px": 43608.0,
        "perimeter_px": 835.6823577880859,
        "sharpness": {
          "laplacian_var": 15.79875446347618
        },
        "contrast": {
          "p05": 17.0,
          "p95": 159.0,
          "dynamic_range": 142.0,
          "mean_gray": 53.07739696926781,
          "std_gray": 56.75296513388471
        },
        "geometry": {
          "distance_to_center_norm": 0.17567375302314758,
          "distance_to_border_px": 1019.0
        },
        "edge_ratio": 1.0179903810743143,
        "edge_lengths_px": [
          207.3475341796875,
          210.02142333984375,
          207.2920684814453,
          211.02133178710938
        ]
      },
      "confidence": 0.12932959843559055
    },
    {
      "observation_id": "a31d28b4-7be9-4b33-8266-0c53c18c6007",
      "type": "aruco",
      "marker_id": 245,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          2506.0,
          2540.0
        ],
        [
          2499.0,
          2728.0
        ],
        [
          2333.0,
          2677.0
        ],
        [
          2339.0,
          2490.0
        ]
      ],
      "center_px": [
        2419.25,
        2608.75
      ],
      "quality": {
        "area_px": 31547.0,
        "perimeter_px": 723.2086486816406,
        "sharpness": {
          "laplacian_var": 44.0013215368337
        },
        "contrast": {
          "p05": 24.0,
          "p95": 170.0,
          "dynamic_range": 146.0,
          "mean_gray": 80.02891836535647,
          "std_gray": 66.6749430256625
        },
        "geometry": {
          "distance_to_center_norm": 0.33213117718696594,
          "distance_to_border_px": 536.0
        },
        "edge_ratio": 1.0833396011820577,
        "edge_lengths_px": [
          188.13027954101562,
          173.65771484375,
          187.0962371826172,
          174.3244171142578
        ]
      },
      "confidence": 0.3384697458428764
    },
    {
      "observation_id": "7bf36060-ae88-4a92-bad5-a7971c21fa2f",
      "type": "aruco",
      "marker_id": 248,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          2269.0,
          2462.0
        ],
        [
          2279.0,
          2653.0
        ],
        [
          2120.0,
          2610.0
        ],
        [
          2119.0,
          2424.0
        ]
      ],
      "center_px": [
        2196.75,
        2537.25
      ],
      "quality": {
        "area_px": 28900.5,
        "perimeter_px": 696.7146453857422,
        "sharpness": {
          "laplacian_var": 65.33988474922238
        },
        "contrast": {
          "p05": 25.0,
          "p95": 171.0,
          "dynamic_range": 146.0,
          "mean_gray": 89.04076725796111,
          "std_gray": 67.91578499899265
        },
        "geometry": {
          "distance_to_center_norm": 0.3193163573741913,
          "distance_to_border_px": 611.0
        },
        "edge_ratio": 1.2360311300468931,
        "edge_lengths_px": [
          191.2615966796875,
          164.7118682861328,
          186.002685546875,
          154.73849487304688
        ]
      },
      "confidence": 0.440522108497539
    },
    {
      "observation_id": "35a15472-a3b6-4a63-afad-3a0c8bfd21ee",
      "type": "aruco",
      "marker_id": 243,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          1780.0,
          2374.0
        ],
        [
          1928.0,
          2418.0
        ],
        [
          1935.0,
          2593.0
        ],
        [
          1788.0,
          2546.0
        ]
      ],
      "center_px": [
        1857.75,
        2482.75
      ],
      "quality": {
        "area_px": 25250.0,
        "perimeter_px": 656.0587615966797,
        "sharpness": {
          "laplacian_var": 80.67230397796315
        },
        "contrast": {
          "p05": 25.0,
          "p95": 169.0,
          "dynamic_range": 144.0,
          "mean_gray": 72.12441471571907,
          "std_gray": 64.47983200214883
        },
        "geometry": {
          "distance_to_center_norm": 0.35194116830825806,
          "distance_to_border_px": 671.0
        },
        "edge_ratio": 1.1348345656572367,
        "edge_lengths_px": [
          154.40206909179688,
          175.1399383544922,
          154.330810546875,
          172.18594360351562
        ]
      },
      "confidence": 0.5923940106873785
    },
    {
      "observation_id": "5764ff5a-25f2-4af4-ac61-0c600ff8a879",
      "type": "aruco",
      "marker_id": 244,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          2872.0,
          2670.0
        ],
        [
          2765.0,
          2739.0
        ],
        [
          2773.0,
          2546.0
        ],
        [
          2879.0,
          2485.0
        ]
      ],
      "center_px": [
        2822.25,
        2610.0
      ],
      "quality": {
        "area_px": 19641.0,
        "perimeter_px": 627.9154205322266,
        "sharpness": {
          "laplacian_var": 20.26713612975569
        },
        "contrast": {
          "p05": 13.0,
          "p95": 81.0,
          "dynamic_range": 68.0,
          "mean_gray": 43.18436749554574,
          "std_gray": 30.692517243057168
        },
        "geometry": {
          "distance_to_center_norm": 0.3559194803237915,
          "distance_to_border_px": 525.0
        },
        "edge_ratio": 1.5794570787806574,
        "edge_lengths_px": [
          127.31849670410156,
          193.1657257080078,
          122.29881286621094,
          185.13238525390625
        ]
      },
      "confidence": 0.09089128337056833
    },
    {
      "observation_id": "0c0f11a9-bbc0-4562-8e9f-5ecd27fea0ce",
      "type": "aruco",
      "marker_id": 43,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          3074.0,
          82.0
        ],
        [
          3031.0,
          190.0
        ],
        [
          2843.0,
          227.0
        ],
        [
          2889.0,
          120.0
        ]
      ],
      "center_px": [
        2959.25,
        154.75
      ],
      "quality": {
        "area_px": 18380.0,
        "perimeter_px": 613.1830596923828,
        "sharpness": {
          "laplacian_var": 68.68249853958203
        },
        "contrast": {
          "p05": 23.0,
          "p95": 180.0,
          "dynamic_range": 157.0,
          "mean_gray": 82.93149540517962,
          "std_gray": 67.93940111903932
        },
        "geometry": {
          "distance_to_center_norm": 0.5313211679458618,
          "distance_to_border_px": 82.0
        },
        "edge_ratio": 1.6482916277278783,
        "edge_lengths_px": [
          116.24542999267578,
          191.6063690185547,
          116.46887969970703,
          188.8623809814453
        ]
      },
      "confidence": 0.34724083097205943
    },
    {
      "observation_id": "75251021-3999-4e9b-b5ff-3b1f3cb686ba",
      "type": "aruco",
      "marker_id": 208,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          3376.0,
          2862.0
        ],
        [
          3547.0,
          2915.0
        ],
        [
          3451.0,
          2987.0
        ],
        [
          3278.0,
          2931.0
        ]
      ],
      "center_px": [
        3413.0,
        2923.75
      ],
      "quality": {
        "area_px": 17412.5,
        "perimeter_px": 600.7170562744141,
        "sharpness": {
          "laplacian_var": 36.24626285309425
        },
        "contrast": {
          "p05": 8.0,
          "p95": 134.0,
          "dynamic_range": 126.0,
          "mean_gray": 50.77673066760613,
          "std_gray": 53.64191535532361
        },
        "geometry": {
          "distance_to_center_norm": 0.5480393171310425,
          "distance_to_border_px": 277.0
        },
        "edge_ratio": 1.5171602380570144,
        "edge_lengths_px": [
          179.02513122558594,
          120.0,
          181.8378448486328,
          119.85408020019531
        ]
      },
      "confidence": 0.1990905000445319
    },
    {
      "observation_id": "3145f549-d5c6-4fd4-a054-b8d4c9422d4b",
      "type": "aruco",
      "marker_id": 69,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          303.0,
          2967.0
        ],
        [
          454.0,
          2900.0
        ],
        [
          570.0,
          2950.0
        ],
        [
          419.0,
          3019.0
        ]
      ],
      "center_px": [
        436.5,
        2959.0
      ],
      "quality": {
        "area_px": 15589.0,
        "perimeter_px": 584.6539688110352,
        "sharpness": {
          "laplacian_var": 91.8997649971676
        },
        "contrast": {
          "p05": 16.0,
          "p95": 174.0,
          "dynamic_range": 158.0,
          "mean_gray": 72.819648236323,
          "std_gray": 68.83593745853977
        },
        "geometry": {
          "distance_to_center_norm": 0.8190612196922302,
          "distance_to_border_px": 245.0
        },
        "edge_ratio": 1.3142964480090453,
        "edge_lengths_px": [
          165.1968536376953,
          126.31706237792969,
          166.01806640625,
          127.12198638916016
        ]
      },
      "confidence": 0.5826930264755049
    },
    {
      "observation_id": "337992c1-5ddd-4fea-87dd-a83c38181e89",
      "type": "aruco",
      "marker_id": 51,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          1738.0,
          2993.0
        ],
        [
          1861.0,
          2925.0
        ],
        [
          2000.0,
          2976.0
        ],
        [
          1878.0,
          3046.0
        ]
      ],
      "center_px": [
        1869.25,
        2985.0
      ],
      "quality": {
        "area_px": 15995.5,
        "perimeter_px": 578.9581298828125,
        "sharpness": {
          "laplacian_var": 118.51631549120098
        },
        "contrast": {
          "p05": 23.0,
          "p95": 171.0,
          "dynamic_range": 148.0,
          "mean_gray": 75.92064260137424,
          "std_gray": 64.12420274148836
        },
        "geometry": {
          "distance_to_center_norm": 0.5001765489578247,
          "distance_to_border_px": 218.0
        },
        "edge_ratio": 1.0651106567401831,
        "edge_lengths_px": [
          140.5453643798828,
          148.060791015625,
          140.65560913085938,
          149.6963653564453
        ]
      },
      "confidence": 0.9272613659217128
    },
    {
      "observation_id": "bf1d9a48-4437-42b6-af49-80e111ed6c53",
      "type": "aruco",
      "marker_id": 232,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          2327.0,
          2687.0
        ],
        [
          2497.0,
          2742.0
        ],
        [
          2565.0,
          2827.0
        ],
        [
          2408.0,
          2775.0
        ]
      ],
      "center_px": [
        2449.25,
        2757.75
      ],
      "quality": {
        "area_px": 10157.0,
        "perimeter_px": 572.5197296142578,
        "sharpness": {
          "laplacian_var": 144.98197354287976
        },
        "contrast": {
          "p05": 28.0,
          "p95": 123.0,
          "dynamic_range": 95.0,
          "mean_gray": 75.40270676691729,
          "std_gray": 38.44897712940454
        },
        "geometry": {
          "distance_to_center_norm": 0.38263118267059326,
          "distance_to_border_px": 437.0
        },
        "edge_ratio": 1.6414385185449964,
        "edge_lengths_px": [
          178.67568969726562,
          108.85311126708984,
          165.38742065429688,
          119.60350799560547
        ]
      },
      "confidence": 0.609221721497324
    },
    {
      "observation_id": "9ef24241-03fa-4dba-b47f-260805b4cafb",
      "type": "aruco",
      "marker_id": 103,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          1299.0,
          2920.0
        ],
        [
          1420.0,
          2853.0
        ],
        [
          1557.0,
          2897.0
        ],
        [
          1438.0,
          2966.0
        ]
      ],
      "center_px": [
        1428.5,
        2909.0
      ],
      "quality": {
        "area_px": 14784.0,
        "perimeter_px": 566.1746368408203,
        "sharpness": {
          "laplacian_var": 92.2235282846598
        },
        "contrast": {
          "p05": 19.0,
          "p95": 172.0,
          "dynamic_range": 153.0,
          "mean_gray": 109.49306418219462,
          "std_gray": 67.93686977537159
        },
        "geometry": {
          "distance_to_center_norm": 0.5553959012031555,
          "distance_to_border_px": 298.0
        },
        "edge_ratio": 1.0643843622922937,
        "edge_lengths_px": [
          138.31124877929688,
          143.89231872558594,
          137.55726623535156,
          146.41380310058594
        ]
      },
      "confidence": 0.7220412377320486
    },
    {
      "observation_id": "00c2ec00-f69e-4d16-9c68-bd055d92b536",
      "type": "aruco",
      "marker_id": 122,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          2910.0,
          1769.0
        ],
        [
          2870.0,
          1824.0
        ],
        [
          2879.0,
          1621.0
        ],
        [
          2920.0,
          1556.0
        ]
      ],
      "center_px": [
        2894.75,
        1692.5
      ],
      "quality": {
        "area_px": 7854.0,
        "perimeter_px": 561.291877746582,
        "sharpness": {
          "laplacian_var": 71.79973375877286
        },
        "contrast": {
          "p05": 22.0,
          "p95": 77.0,
          "dynamic_range": 55.0,
          "mean_gray": 38.109469181411626,
          "std_gray": 19.976241813519284
        },
        "geometry": {
          "distance_to_center_norm": 0.15323181450366974,
          "distance_to_border_px": 1440.0
        },
        "edge_ratio": 3.135464097484143,
        "edge_lengths_px": [
          68.00735473632812,
          203.19940185546875,
          76.85050201416016,
          213.234619140625
        ]
      },
      "confidence": 0.13119354217972615
    },
    {
      "observation_id": "9fbdd5e8-d23e-4558-bf1d-f9137f5a410e",
      "type": "aruco",
      "marker_id": 58,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          863.0,
          2879.0
        ],
        [
          994.0,
          2814.0
        ],
        [
          1120.0,
          2857.0
        ],
        [
          992.0,
          2925.0
        ]
      ],
      "center_px": [
        992.25,
        2868.75
      ],
      "quality": {
        "area_px": 14241.5,
        "perimeter_px": 561.2723541259766,
        "sharpness": {
          "laplacian_var": 71.57653650706686
        },
        "contrast": {
          "p05": 15.0,
          "p95": 173.0,
          "dynamic_range": 158.0,
          "mean_gray": 72.8562733582488,
          "std_gray": 67.866616886019
        },
        "geometry": {
          "distance_to_center_norm": 0.6492481231689453,
          "distance_to_border_px": 339.0
        },
        "edge_ratio": 1.0984281880214593,
        "edge_lengths_px": [
          146.23953247070312,
          133.13526916503906,
          144.9413604736328,
          136.95619201660156
        ]
      },
      "confidence": 0.5430224242818117
    },
    {
      "observation_id": "0e1d7548-d66a-4f4f-a96e-0bac07c1b431",
      "type": "aruco",
      "marker_id": 229,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          1980.0,
          2061.0
        ],
        [
          2127.0,
          2095.0
        ],
        [
          2013.0,
          2155.0
        ],
        [
          1865.0,
          2117.0
        ]
      ],
      "center_px": [
        1996.25,
        2107.0
      ],
      "quality": {
        "area_px": 12677.0,
        "perimeter_px": 560.4168701171875,
        "sharpness": {
          "laplacian_var": 96.23145136021294
        },
        "contrast": {
          "p05": 17.0,
          "p95": 171.0,
          "dynamic_range": 154.0,
          "mean_gray": 65.49039971017993,
          "std_gray": 64.76265780529822
        },
        "geometry": {
          "distance_to_center_norm": 0.22280369699001312,
          "distance_to_border_px": 1109.0
        },
        "edge_ratio": 1.1945928516264057,
        "edge_lengths_px": [
          150.88075256347656,
          128.82546997070312,
          152.80052185058594,
          127.91012573242188
        ]
      },
      "confidence": 0.6712988113425454
    },
    {
      "observation_id": "8cc45827-c924-40ed-bd82-4ce8eaaf67af",
      "type": "aruco",
      "marker_id": 214,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          3607.0,
          2645.0
        ],
        [
          3771.0,
          2690.0
        ],
        [
          3691.0,
          2753.0
        ],
        [
          3525.0,
          2707.0
        ]
      ],
      "center_px": [
        3648.5,
        2698.75
      ],
      "quality": {
        "area_px": 13998.0,
        "perimeter_px": 546.9464492797852,
        "sharpness": {
          "laplacian_var": 45.09886404786545
        },
        "contrast": {
          "p05": 10.0,
          "p95": 129.0,
          "dynamic_range": 119.0,
          "mean_gray": 66.75165096892931,
          "std_gray": 52.461367844252166
        },
        "geometry": {
          "distance_to_center_norm": 0.5458545684814453,
          "distance_to_border_px": 511.0
        },
        "edge_ratio": 1.691628510934838,
        "edge_lengths_px": [
          170.06175231933594,
          101.82828521728516,
          172.25563049316406,
          102.80078125
        ]
      },
      "confidence": 0.22216690286087418
    },
    {
      "observation_id": "4f3e821c-f940-4577-8dbd-50f288b3f2b8",
      "type": "aruco",
      "marker_id": 64,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          691.0,
          2688.0
        ],
        [
          817.0,
          2634.0
        ],
        [
          930.0,
          2671.0
        ],
        [
          806.0,
          2730.0
        ]
      ],
      "center_px": [
        811.0,
        2680.75
      ],
      "quality": {
        "area_px": 11378.5,
        "perimeter_px": 515.7376022338867,
        "sharpness": {
          "laplacian_var": 48.32162114654101
        },
        "contrast": {
          "p05": 16.0,
          "p95": 172.0,
          "dynamic_range": 156.0,
          "mean_gray": 79.89983974358974,
          "std_gray": 65.93291608181183
        },
        "geometry": {
          "distance_to_center_norm": 0.6607903242111206,
          "distance_to_border_px": 534.0
        },
        "edge_ratio": 1.1548944567868789,
        "edge_lengths_px": [
          137.08392333984375,
          118.9033203125,
          137.32078552246094,
          122.42957305908203
        ]
      },
      "confidence": 0.3486727067177227
    },
    {
      "observation_id": "ff4420c1-cb33-485f-8242-02dd846eea34",
      "type": "aruco",
      "marker_id": 124,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          2948.0,
          902.0
        ],
        [
          2911.0,
          929.0
        ],
        [
          2920.0,
          710.0
        ],
        [
          2957.0,
          696.0
        ]
      ],
      "center_px": [
        2934.0,
        809.25
      ],
      "quality": {
        "area_px": 7678.0,
        "perimeter_px": 510.7453727722168,
        "sharpness": {
          "laplacian_var": 64.04965848750264
        },
        "contrast": {
          "p05": 15.0,
          "p95": 68.0,
          "dynamic_range": 53.0,
          "mean_gray": 38.99884637569698,
          "std_gray": 19.667814249139063
        },
        "geometry": {
          "distance_to_center_norm": 0.3247884213924408,
          "distance_to_border_px": 696.0
        },
        "edge_ratio": 5.5405563390861605,
        "edge_lengths_px": [
          45.80392837524414,
          219.1848602294922,
          39.560081481933594,
          206.19650268554688
        ]
      },
      "confidence": 0.06382165759634592
    },
    {
      "observation_id": "38d2de4b-83d4-46d0-930e-071c495e1d52",
      "type": "aruco",
      "marker_id": 211,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          3027.0,
          2485.0
        ],
        [
          3167.0,
          2525.0
        ],
        [
          3077.0,
          2580.0
        ],
        [
          2932.0,
          2537.0
        ]
      ],
      "center_px": [
        3050.75,
        2531.75
      ],
      "quality": {
        "area_px": 11462.5,
        "perimeter_px": 510.6193542480469,
        "sharpness": {
          "laplacian_var": 21.707214990893764
        },
        "contrast": {
          "p05": 8.0,
          "p95": 127.0,
          "dynamic_range": 119.0,
          "mean_gray": 57.258317806760715,
          "std_gray": 49.61387184678934
        },
        "geometry": {
          "distance_to_center_norm": 0.368095725774765,
          "distance_to_border_px": 684.0
        },
        "edge_ratio": 1.433907271508649,
        "edge_lengths_px": [
          145.60220336914062,
          105.47511291503906,
          151.2415313720703,
          108.30050659179688
        ]
      },
      "confidence": 0.12615422339488216
    },
    {
      "observation_id": "c9cec085-2ba1-4b6b-9d52-8aa493aa8205",
      "type": "aruco",
      "marker_id": 72,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          4681.0,
          2551.0
        ],
        [
          4723.0,
          2499.0
        ],
        [
          4880.0,
          2531.0
        ],
        [
          4844.0,
          2585.0
        ]
      ],
      "center_px": [
        4782.0,
        2541.5
      ],
      "quality": {
        "area_px": 9767.0,
        "perimeter_px": 458.479248046875,
        "sharpness": {
          "laplacian_var": 61.95098343921866
        },
        "contrast": {
          "p05": 10.0,
          "p95": 144.0,
          "dynamic_range": 134.0,
          "mean_gray": 58.68604289710911,
          "std_gray": 51.90081015658802
        },
        "geometry": {
          "distance_to_center_norm": 0.8514050841331482,
          "distance_to_border_px": 16.0
        },
        "edge_ratio": 2.5656155135746364,
        "edge_lengths_px": [
          66.84310150146484,
          160.22796630859375,
          64.8999252319336,
          166.5082550048828
        ]
      },
      "confidence": 0.06439102883128758
    }
  ],
  "rejected_candidates": [
    {
      "image_points_px": [
        [
          2489.0,
          394.0
        ],
        [
          2636.0,
          463.0
        ],
        [
          2611.0,
          740.0
        ],
        [
          2502.0,
          660.0
        ]
      ],
      "center_px": [
        2559.5,
        564.25
      ],
      "area_px": 35199.0
    },
    {
      "image_points_px": [
        [
          4407.0,
          2237.0
        ],
        [
          4450.0,
          2201.0
        ],
        [
          4581.0,
          2225.0
        ],
        [
          4543.0,
          2266.0
        ]
      ],
      "center_px": [
        4495.25,
        2232.25
      ],
      "area_px": 6213.0
    },
    {
      "image_points_px": [
        [
          4431.0,
          2232.0
        ],
        [
          4463.0,
          2212.0
        ],
        [
          4557.0,
          2238.0
        ],
        [
          4477.0,
          2248.0
        ]
      ],
      "center_px": [
        4482.0,
        2232.5
      ],
      "area_px": 2226.0
    },
    {
      "image_points_px": [
        [
          3440.0,
          2918.0
        ],
        [
          3458.0,
          2896.0
        ],
        [
          3522.0,
          2921.0
        ],
        [
          3462.0,
          2964.0
        ]
      ],
      "center_px": [
        3470.5,
        2924.75
      ],
      "area_px": 2782.0
    },
    {
      "image_points_px": [
        [
          2597.0,
          1123.0
        ],
        [
          2649.0,
          1128.0
        ],
        [
          2646.0,
          1177.0
        ],
        [
          2595.0,
          1174.0
        ]
      ],
      "center_px": [
        2621.75,
        1150.5
      ],
      "area_px": 2585.0
    },
    {
      "image_points_px": [
        [
          726.0,
          2685.0
        ],
        [
          753.0,
          2673.0
        ],
        [
          811.0,
          2699.0
        ],
        [
          784.0,
          2710.0
        ]
      ],
      "center_px": [
        768.5,
        2691.75
      ],
      "area_px": 1355.5
    },
    {
      "image_points_px": [
        [
          3007.0,
          111.0
        ],
        [
          2997.0,
          133.0
        ],
        [
          2932.0,
          143.0
        ],
        [
          2942.0,
          121.0
        ]
      ],
      "center_px": [
        2969.5,
        127.0
      ],
      "area_px": 1330.0
    },
    {
      "image_points_px": [
        [
          2303.0,
          1588.0
        ],
        [
          2299.0,
          1659.0
        ],
        [
          2280.0,
          1636.0
        ],
        [
          2275.0,
          1600.0
        ]
      ],
      "center_px": [
        2289.25,
        1620.75
      ],
      "area_px": 1254.5
    },
    {
      "image_points_px": [
        [
          3024.0,
          141.0
        ],
        [
          3009.0,
          181.0
        ],
        [
          2972.0,
          186.0
        ],
        [
          2989.0,
          145.0
        ]
      ],
      "center_px": [
        2998.5,
        163.25
      ],
      "area_px": 1386.0
    },
    {
      "image_points_px": [
        [
          2141.0,
          2551.0
        ],
        [
          2175.0,
          2557.0
        ],
        [
          2174.0,
          2599.0
        ],
        [
          2139.0,
          2590.0
        ]
      ],
      "center_px": [
        2157.25,
        2574.25
      ],
      "area_px": 1408.5
    }
  ]
}