{
  "schema_version": "1.0",
  "created_utc": "2026-06-01T18:36:43Z",
  "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\\Scene8\\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\\Scene8\\render_d.png",
    "image_sha256": "40614afc050025adf9fcf073301aa7482991042b18a0acec12a97b2e578382e4",
    "width_px": 1280,
    "height_px": 720
  },
  "aruco": {
    "dictionary": "DICT_4X4_250",
    "num_detected_markers": 20,
    "num_rejected_candidates": 16
  },
  "detections": [
    {
      "observation_id": "30bc132e-b8b3-42e7-bfc3-9a14e5075efe",
      "type": "aruco",
      "marker_id": 44,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          614.0,
          114.0
        ],
        [
          610.0,
          57.0
        ],
        [
          666.0,
          52.0
        ],
        [
          670.0,
          109.0
        ]
      ],
      "center_px": [
        640.0,
        83.0
      ],
      "quality": {
        "area_px": 3212.0,
        "perimeter_px": 226.72589874267578,
        "sharpness": {
          "laplacian_var": 672.3693413304218
        },
        "contrast": {
          "p05": 22.0,
          "p95": 168.0,
          "dynamic_range": 146.0,
          "mean_gray": 68.24347413383958,
          "std_gray": 59.014948665600684
        },
        "geometry": {
          "distance_to_center_norm": 0.3772287964820862,
          "distance_to_border_px": 52.0
        },
        "edge_ratio": 1.0163173742280571,
        "edge_lengths_px": [
          57.14017868041992,
          56.22277069091797,
          57.14017868041992,
          56.22277069091797
        ]
      },
      "confidence": 0.9839446076178212
    },
    {
      "observation_id": "f612cd06-6107-450c-8187-edcc8078b992",
      "type": "aruco",
      "marker_id": 114,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          734.0,
          252.0
        ],
        [
          687.0,
          258.0
        ],
        [
          689.0,
          199.0
        ],
        [
          736.0,
          198.0
        ]
      ],
      "center_px": [
        711.5,
        226.75
      ],
      "quality": {
        "area_px": 2648.5,
        "perimeter_px": 207.46298217773438,
        "sharpness": {
          "laplacian_var": 277.79364543138695
        },
        "contrast": {
          "p05": 5.0,
          "p95": 95.0,
          "dynamic_range": 90.0,
          "mean_gray": 28.687360178970916,
          "std_gray": 36.16416578900708
        },
        "geometry": {
          "distance_to_center_norm": 0.2059384137392044,
          "distance_to_border_px": 198.0
        },
        "edge_ratio": 1.255756049633726,
        "edge_lengths_px": [
          47.381431579589844,
          59.03388977050781,
          47.01063537597656,
          54.037025451660156
        ]
      },
      "confidence": 0.7963330141166162
    },
    {
      "observation_id": "413ff2a4-ecf3-42ae-bb9b-a83132f3cbc5",
      "type": "aruco",
      "marker_id": 120,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          727.0,
          402.0
        ],
        [
          681.0,
          410.0
        ],
        [
          683.0,
          355.0
        ],
        [
          729.0,
          351.0
        ]
      ],
      "center_px": [
        705.0,
        379.5
      ],
      "quality": {
        "area_px": 2426.0,
        "perimeter_px": 198.93960571289062,
        "sharpness": {
          "laplacian_var": 318.88235326724623
        },
        "contrast": {
          "p05": 7.0,
          "p95": 98.0,
          "dynamic_range": 91.0,
          "mean_gray": 27.909422492401216,
          "std_gray": 34.54851224655961
        },
        "geometry": {
          "distance_to_center_norm": 0.09241695702075958,
          "distance_to_border_px": 310.0
        },
        "edge_ratio": 1.19194451677973,
        "edge_lengths_px": [
          46.69047164916992,
          55.03635025024414,
          46.173583984375,
          51.03919982910156
        ]
      },
      "confidence": 0.8389652252452946
    },
    {
      "observation_id": "8ba0f302-4317-4c7b-8b3f-9c36982eddb3",
      "type": "aruco",
      "marker_id": 245,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          637.0,
          589.0
        ],
        [
          635.0,
          638.0
        ],
        [
          594.0,
          625.0
        ],
        [
          595.0,
          577.0
        ]
      ],
      "center_px": [
        615.25,
        607.25
      ],
      "quality": {
        "area_px": 2031.5,
        "perimeter_px": 183.74349975585938,
        "sharpness": {
          "laplacian_var": 1813.1599134495677
        },
        "contrast": {
          "p05": 28.0,
          "p95": 178.0,
          "dynamic_range": 150.0,
          "mean_gray": 86.24685883222469,
          "std_gray": 68.75734482918982
        },
        "geometry": {
          "distance_to_center_norm": 0.33839690685272217,
          "distance_to_border_px": 82.0
        },
        "edge_ratio": 1.1401753754243813,
        "edge_lengths_px": [
          49.04079818725586,
          43.011627197265625,
          48.010414123535156,
          43.680660247802734
        ]
      },
      "confidence": 0.8770580575183822
    },
    {
      "observation_id": "aacbde33-1900-40a7-bf41-a9891d984814",
      "type": "aruco",
      "marker_id": 248,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          573.0,
          571.0
        ],
        [
          571.0,
          618.0
        ],
        [
          531.0,
          606.0
        ],
        [
          532.0,
          559.0
        ]
      ],
      "center_px": [
        551.75,
        588.5
      ],
      "quality": {
        "area_px": 1921.5,
        "perimeter_px": 178.53441619873047,
        "sharpness": {
          "laplacian_var": 2283.605085409441
        },
        "contrast": {
          "p05": 28.0,
          "p95": 179.0,
          "dynamic_range": 151.0,
          "mean_gray": 91.78871090770404,
          "std_gray": 68.93421217824806
        },
        "geometry": {
          "distance_to_center_norm": 0.33358141779899597,
          "distance_to_border_px": 102.0
        },
        "edge_ratio": 1.1264643700293813,
        "edge_lengths_px": [
          47.04253387451172,
          41.761226654052734,
          47.01063537597656,
          42.72002029418945
        ]
      },
      "confidence": 0.8877333598877319
    },
    {
      "observation_id": "d7a5f4f7-85c4-46ae-8aa1-513da06e96c1",
      "type": "aruco",
      "marker_id": 243,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          449.0,
          542.0
        ],
        [
          486.0,
          553.0
        ],
        [
          488.0,
          598.0
        ],
        [
          451.0,
          587.0
        ]
      ],
      "center_px": [
        468.5,
        570.0
      ],
      "quality": {
        "area_px": 1643.0,
        "perimeter_px": 167.28987884521484,
        "sharpness": {
          "laplacian_var": 1782.9942907890404
        },
        "contrast": {
          "p05": 28.0,
          "p95": 177.0,
          "dynamic_range": 149.0,
          "mean_gray": 77.27851458885942,
          "std_gray": 65.31823253305183
        },
        "geometry": {
          "distance_to_center_norm": 0.3692367672920227,
          "distance_to_border_px": 122.0
        },
        "edge_ratio": 1.1669383037316134,
        "edge_lengths_px": [
          38.60051727294922,
          45.0444221496582,
          38.60051727294922,
          45.0444221496582
        ]
      },
      "confidence": 0.8569433335097655
    },
    {
      "observation_id": "4bac4cd0-8bf8-4b36-bc75-26b2f2fd00f2",
      "type": "aruco",
      "marker_id": 40,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          724.0,
          57.0
        ],
        [
          673.0,
          41.0
        ],
        [
          662.0,
          14.0
        ],
        [
          714.0,
          31.0
        ]
      ],
      "center_px": [
        693.25,
        35.75
      ],
      "quality": {
        "area_px": 1191.5,
        "perimeter_px": 165.17076683044434,
        "sharpness": {
          "laplacian_var": 733.7701895510601
        },
        "contrast": {
          "p05": 25.0,
          "p95": 126.0,
          "dynamic_range": 101.0,
          "mean_gray": 59.35162094763092,
          "std_gray": 37.98770707602297
        },
        "geometry": {
          "distance_to_center_norm": 0.4474906027317047,
          "distance_to_border_px": 14.0
        },
        "edge_ratio": 1.963914074752889,
        "edge_lengths_px": [
          53.45091247558594,
          29.154760360717773,
          54.708316802978516,
          27.85677719116211
        ]
      },
      "confidence": 0.11325003277514506
    },
    {
      "observation_id": "e26f3a86-0b7e-4191-90bf-5379e4ba9a29",
      "type": "aruco",
      "marker_id": 244,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          732.0,
          619.0
        ],
        [
          704.0,
          636.0
        ],
        [
          706.0,
          586.0
        ],
        [
          734.0,
          572.0
        ]
      ],
      "center_px": [
        719.0,
        603.25
      ],
      "quality": {
        "area_px": 1327.0,
        "perimeter_px": 161.14415168762207,
        "sharpness": {
          "laplacian_var": 537.2327979712595
        },
        "contrast": {
          "p05": 15.0,
          "p95": 89.0,
          "dynamic_range": 74.0,
          "mean_gray": 47.19340659340659,
          "std_gray": 32.79419608995363
        },
        "geometry": {
          "distance_to_center_norm": 0.3482990860939026,
          "distance_to_border_px": 84.0
        },
        "edge_ratio": 1.5984686596342332,
        "edge_lengths_px": [
          32.75667953491211,
          50.03998565673828,
          31.30495262145996,
          47.04253387451172
        ]
      },
      "confidence": 0.5119378861352945
    },
    {
      "observation_id": "a9909f7a-407c-464f-afbf-eb4c6d6dff91",
      "type": "aruco",
      "marker_id": 115,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          616.0,
          250.0
        ],
        [
          590.0,
          241.0
        ],
        [
          591.0,
          189.0
        ],
        [
          617.0,
          196.0
        ]
      ],
      "center_px": [
        603.5,
        219.0
      ],
      "quality": {
        "area_px": 1386.0,
        "perimeter_px": 160.4583282470703,
        "sharpness": {
          "laplacian_var": 1684.1052880711109
        },
        "contrast": {
          "p05": 30.0,
          "p95": 188.0,
          "dynamic_range": 158.0,
          "mean_gray": 63.67542016806723,
          "std_gray": 57.99986149679142
        },
        "geometry": {
          "distance_to_center_norm": 0.19834838807582855,
          "distance_to_border_px": 189.0
        },
        "edge_ratio": 2.0058535572221805,
        "edge_lengths_px": [
          27.513633728027344,
          52.009613037109375,
          26.925823211669922,
          54.00925827026367
        ]
      },
      "confidence": 0.46065177423999365
    },
    {
      "observation_id": "51ea8b58-6383-4ec7-8e6c-f69396bd02e4",
      "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": 2260.8677058023773
        },
        "contrast": {
          "p05": 11.0,
          "p95": 149.0,
          "dynamic_range": 138.0,
          "mean_gray": 58.7205298013245,
          "std_gray": 58.07394272442995
        },
        "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": "56b00359-dbda-412e-ab87-2d21fbafe667",
      "type": "aruco",
      "marker_id": 232,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          593.0,
          632.0
        ],
        [
          637.0,
          645.0
        ],
        [
          657.0,
          667.0
        ],
        [
          615.0,
          654.0
        ]
      ],
      "center_px": [
        625.5,
        649.5
      ],
      "quality": {
        "area_px": 673.0,
        "perimeter_px": 150.691011428833,
        "sharpness": {
          "laplacian_var": 2893.398200183655
        },
        "contrast": {
          "p05": 33.0,
          "p95": 133.0,
          "dynamic_range": 100.0,
          "mean_gray": 77.35959595959596,
          "std_gray": 40.065098338669486
        },
        "geometry": {
          "distance_to_center_norm": 0.39474594593048096,
          "distance_to_border_px": 53.0
        },
        "edge_ratio": 1.5431207817860724,
        "edge_lengths_px": [
          45.880279541015625,
          29.73213768005371,
          43.96589660644531,
          31.11269760131836
        ]
      },
      "confidence": 0.29075278614766703
    },
    {
      "observation_id": "c633d2f1-9897-4cb3-9967-3aa7b36fdb87",
      "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": 3336.9716656203504
        },
        "contrast": {
          "p05": 22.0,
          "p95": 180.0,
          "dynamic_range": 158.0,
          "mean_gray": 112.91935483870968,
          "std_gray": 69.37363841908291
        },
        "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": "2e84ec10-7db2-408a-9228-1c8eff30d038",
      "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": 3799.086382523873
        },
        "contrast": {
          "p05": 18.0,
          "p95": 180.0,
          "dynamic_range": 162.0,
          "mean_gray": 77.17050691244239,
          "std_gray": 69.61657192901008
        },
        "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": "26c337e1-fcce-47cd-be73-eaef7818d1db",
      "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
        ],
        [
          927.0,
          640.0
        ]
      ],
      "center_px": [
        958.75,
        638.25
      ],
      "quality": {
        "area_px": 898.5,
        "perimeter_px": 139.83118438720703,
        "sharpness": {
          "laplacian_var": 2241.940796279768
        },
        "contrast": {
          "p05": 14.0,
          "p95": 141.0,
          "dynamic_range": 127.0,
          "mean_gray": 76.14490445859873,
          "std_gray": 54.15135390815647
        },
        "geometry": {
          "distance_to_center_norm": 0.5762108564376831,
          "distance_to_border_px": 68.0
        },
        "edge_ratio": 1.8360693552137273,
        "edge_lengths_px": [
          44.384681701660156,
          24.83948516845703,
          45.607017517089844,
          25.0
        ]
      },
      "confidence": 0.32624039952470835
    },
    {
      "observation_id": "6f518adb-007e-4c90-87ce-2f8e7c666f1e",
      "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": 3229.7977698155155
        },
        "contrast": {
          "p05": 18.0,
          "p95": 180.0,
          "dynamic_range": 162.0,
          "mean_gray": 81.99806201550388,
          "std_gray": 69.32332121632136
        },
        "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": "6515831d-07e4-45e6-9093-f8b4dce89ed6",
      "type": "aruco",
      "marker_id": 219,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          753.0,
          163.0
        ],
        [
          743.0,
          169.0
        ],
        [
          745.0,
          114.0
        ],
        [
          756.0,
          109.0
        ]
      ],
      "center_px": [
        749.25,
        138.75
      ],
      "quality": {
        "area_px": 558.5,
        "perimeter_px": 132.86457061767578,
        "sharpness": {
          "laplacian_var": 778.7129467128028
        },
        "contrast": {
          "p05": 17.0,
          "p95": 75.0,
          "dynamic_range": 58.0,
          "mean_gray": 37.868235294117646,
          "std_gray": 21.748867241711185
        },
        "geometry": {
          "distance_to_center_norm": 0.3360375463962555,
          "distance_to_border_px": 109.0
        },
        "edge_ratio": 4.719328264910056,
        "edge_lengths_px": [
          11.661903381347656,
          55.03635025024414,
          12.083045959472656,
          54.08327102661133
        ]
      },
      "confidence": 0.057199171473996085
    },
    {
      "observation_id": "d14bbd9a-2cfa-4819-a77c-4466f080dc09",
      "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": 1562.9580130270876
        },
        "contrast": {
          "p05": 10.0,
          "p95": 140.0,
          "dynamic_range": 130.0,
          "mean_gray": 61.47438330170778,
          "std_gray": 54.49825309552671
        },
        "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": "f2eb8de1-980c-4468-b7d1-6b86809d5e61",
      "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": 2168.1462163377746
        },
        "contrast": {
          "p05": 13.0,
          "p95": 156.0,
          "dynamic_range": 143.0,
          "mean_gray": 59.45238095238095,
          "std_gray": 57.283574483323555
        },
        "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": "7c28bd65-2ccf-44bd-ac35-ed5f15bb951a",
      "type": "aruco",
      "marker_id": 84,
      "marker_size_m": 0.025,
      "image_points_px": [
        [
          1201.0,
          551.0
        ],
        [
          1213.0,
          540.0
        ],
        [
          1251.0,
          548.0
        ],
        [
          1241.0,
          559.0
        ]
      ],
      "center_px": [
        1226.5,
        549.5
      ],
      "quality": {
        "area_px": 517.0,
        "perimeter_px": 110.77002239227295,
        "sharpness": {
          "laplacian_var": 2592.418124728733
        },
        "contrast": {
          "p05": 14.0,
          "p95": 156.0,
          "dynamic_range": 142.0,
          "mean_gray": 82.95572916666667,
          "std_gray": 55.589460730069895
        },
        "geometry": {
          "distance_to_center_norm": 0.8393738269805908,
          "distance_to_border_px": 29.0
        },
        "edge_ratio": 2.7439773526172324,
        "edge_lengths_px": [
          16.278820037841797,
          38.832977294921875,
          14.866068840026855,
          40.79215621948242
        ]
      },
      "confidence": 0.07285288505606423
    },
    {
      "observation_id": "9aee7626-ad09-40b9-b758-6860486dafbe",
      "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": 3019.5732378808893
        },
        "contrast": {
          "p05": 13.0,
          "p95": 154.0,
          "dynamic_range": 141.0,
          "mean_gray": 80.78097982708934,
          "std_gray": 54.937726193122394
        },
        "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": [
        [
          720.0,
          59.0
        ],
        [
          713.0,
          120.0
        ],
        [
          683.0,
          124.0
        ],
        [
          679.0,
          78.0
        ]
      ],
      "center_px": [
        698.75,
        95.25
      ],
      "area_px": 1882.0
    },
    {
      "image_points_px": [
        [
          629.0,
          261.0
        ],
        [
          660.0,
          268.0
        ],
        [
          655.0,
          307.0
        ],
        [
          625.0,
          303.0
        ]
      ],
      "center_px": [
        642.25,
        284.75
      ],
      "area_px": 1260.0
    },
    {
      "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
        ],
        [
          991.0,
          452.0
        ],
        [
          1021.0,
          459.0
        ],
        [
          1010.0,
          467.0
        ]
      ],
      "center_px": [
        1000.0,
        459.75
      ],
      "area_px": 341.5
    },
    {
      "image_points_px": [
        [
          827.0,
          446.0
        ],
        [
          842.0,
          438.0
        ],
        [
          869.0,
          444.0
        ],
        [
          856.0,
          453.0
        ]
      ],
      "center_px": [
        848.5,
        445.25
      ],
      "area_px": 329.0
    },
    {
      "image_points_px": [
        [
          770.0,
          414.0
        ],
        [
          783.0,
          407.0
        ],
        [
          810.0,
          412.0
        ],
        [
          798.0,
          421.0
        ]
      ],
      "center_px": [
        790.25,
        413.5
      ],
      "area_px": 295.0
    },
    {
      "image_points_px": [
        [
          741.0,
          349.0
        ],
        [
          743.0,
          374.0
        ],
        [
          739.0,
          386.0
        ],
        [
          736.0,
          375.0
        ]
      ],
      "center_px": [
        739.75,
        371.0
      ],
      "area_px": 128.5
    },
    {
      "image_points_px": [
        [
          615.0,
          509.0
        ],
        [
          623.0,
          515.0
        ],
        [
          620.0,
          542.0
        ],
        [
          612.0,
          538.0
        ]
      ],
      "center_px": [
        617.5,
        526.0
      ],
      "area_px": 239.0
    },
    {
      "image_points_px": [
        [
          749.0,
          120.0
        ],
        [
          752.0,
          139.0
        ],
        [
          750.0,
          157.0
        ],
        [
          746.0,
          131.0
        ]
      ],
      "center_px": [
        749.25,
        136.75
      ],
      "area_px": 107.0
    },
    {
      "image_points_px": [
        [
          714.0,
          370.0
        ],
        [
          713.0,
          380.0
        ],
        [
          689.0,
          381.0
        ],
        [
          690.0,
          371.0
        ]
      ],
      "center_px": [
        701.5,
        375.5
      ],
      "area_px": 239.0
    },
    {
      "image_points_px": [
        [
          688.0,
          367.0
        ],
        [
          690.0,
          359.0
        ],
        [
          709.0,
          359.0
        ],
        [
          707.0,
          365.0
        ]
      ],
      "center_px": [
        698.5,
        362.5
      ],
      "area_px": 131.0
    },
    {
      "image_points_px": [
        [
          664.0,
          526.0
        ],
        [
          672.0,
          527.0
        ],
        [
          672.0,
          541.0
        ],
        [
          664.0,
          542.0
        ]
      ],
      "center_px": [
        668.0,
        534.0
      ],
      "area_px": 120.0
    },
    {
      "image_points_px": [
        [
          639.0,
          625.0
        ],
        [
          643.0,
          636.0
        ],
        [
          642.0,
          646.0
        ],
        [
          639.0,
          639.0
        ]
      ],
      "center_px": [
        640.75,
        636.5
      ],
      "area_px": 46.5
    },
    {
      "image_points_px": [
        [
          594.0,
          215.0
        ],
        [
          604.0,
          219.0
        ],
        [
          603.0,
          229.0
        ],
        [
          593.0,
          225.0
        ]
      ],
      "center_px": [
        598.5,
        222.0
      ],
      "area_px": 104.0
    },
    {
      "image_points_px": [
        [
          363.0,
          528.0
        ],
        [
          382.0,
          530.0
        ],
        [
          375.0,
          533.0
        ],
        [
          370.0,
          533.0
        ]
      ],
      "center_px": [
        372.5,
        531.0
      ],
      "area_px": 48.0
    },
    {
      "image_points_px": [
        [
          1192.0,
          684.0
        ],
        [
          1194.0,
          683.0
        ],
        [
          1211.0,
          687.0
        ],
        [
          1202.0,
          687.0
        ]
      ],
      "center_px": [
        1199.75,
        685.25
      ],
      "area_px": 26.0
    }
  ]
}