{
    "image_size": {
      "width": 512,
      "height": 512
    },
    "coordinate_system": {
      "origin": "top_left",
      "x_axis": "to_right",
      "y_axis": "downward"
    },
    "objects": [
      {
        "id": "red_ball",
        "category": "circle",
        "color_rgb": [239, 82, 71],
        "position": {
          "center_x": 91.55,
          "center_y": 76.57
        },
        "bbox": {
          "x_min": 42,
          "y_min": 28,
          "x_max": 141,
          "y_max": 125,
          "width": 100,
          "height": 98
        },
        "size": {
          "area_pixels": 7699,
          "radius_pixels": 49.50
        }
      },
      {
        "id": "gray_ball",
        "category": "circle",
        "color_rgb": [185, 200, 208],
        "position": {
          "center_x": 304.64,
          "center_y": 104.57
        },
        "bbox": {
          "x_min": 276,
          "y_min": 76,
          "x_max": 334,
          "y_max": 134,
          "width": 59,
          "height": 59
        },
        "size": {
          "area_pixels": 2734,
          "radius_pixels": 29.50
        }
      },
      {
        "id": "black_bar",
        "category": "line_segment",
        "color_rgb": [0, 0, 0],
        "position": {
          "center_x": 121.22,
          "center_y": 370.99
        },
        "bbox": {
          "x_min": 54,
          "y_min": 354,
          "x_max": 188,
          "y_max": 388,
          "width": 135,
          "height": 35
        },
        "size": {
          "area_pixels": 1401,
          "length_pixels": 136.31,
          "thickness_pixels": 10.38
        },
        "orientation": {
          "angle_deg": 10.62,
          "definition": "angle from +x axis, counter-clockwise"
        }
      },
      {
        "id": "tilted_gray_bar",
        "category": "line_segment",
        "color_rgb": [187, 200, 207],
        "position": {
          "center_x": 229.21,
          "center_y": 336.27
        },
        "bbox": {
          "x_min": 200,
          "y_min": 224,
          "x_max": 258,
          "y_max": 449,
          "width": 59,
          "height": 226
        },
        "size": {
          "area_pixels": 2359,
          "length_pixels": 229.84,
          "thickness_pixels": 10.41
        },
        "orientation": {
          "angle_deg": 77.47,
          "definition": "angle from +x axis, counter-clockwise"
        }
      },
      {
        "id": "black_ball_1",
        "category": "circle",
        "color_rgb": [0, 0, 0],
        "position": {
          "center_x": 204.26,
          "center_y": 229.90
        },
        "bbox": {
          "x_min": 194,
          "y_min": 220,
          "x_max": 214,
          "y_max": 240,
          "width": 21,
          "height": 21
        },
        "size": {
          "area_pixels": 346,
          "radius_pixels": 10.49
        }
      },
      {
        "id": "black_ball_2",
        "category": "circle",
        "color_rgb": [0, 0, 0],
        "position": {
          "center_x": 266.00,
          "center_y": 273.00
        },
        "bbox": {
          "x_min": 256,
          "y_min": 263,
          "x_max": 276,
          "y_max": 283,
          "width": 21,
          "height": 21
        },
        "size": {
          "area_pixels": 349,
          "radius_pixels": 10.54
        }
      },
      {
        "id": "black_ball_3",
        "category": "circle",
        "color_rgb": [0, 0, 0],
        "position": {
          "center_x": 446.21,
          "center_y": 305.37
        },
        "bbox": {
          "x_min": 436,
          "y_min": 295,
          "x_max": 456,
          "y_max": 315,
          "width": 21,
          "height": 21
        },
        "size": {
          "area_pixels": 347,
          "radius_pixels": 10.51
        }
      },
      {
        "id": "black_ball_4",
        "category": "circle",
        "color_rgb": [0, 0, 0],
        "position": {
          "center_x": 361.33,
          "center_y": 307.30
        },
        "bbox": {
          "x_min": 351,
          "y_min": 297,
          "x_max": 371,
          "y_max": 317,
          "width": 21,
          "height": 21
        },
        "size": {
          "area_pixels": 344,
          "radius_pixels": 10.46
        }
      },
      {
        "id": "black_ball_5",
        "category": "circle",
        "color_rgb": [0, 0, 0],
        "position": {
          "center_x": 412.58,
          "center_y": 311.58
        },
        "bbox": {
          "x_min": 403,
          "y_min": 302,
          "x_max": 422,
          "y_max": 321,
          "width": 20,
          "height": 20
        },
        "size": {
          "area_pixels": 337,
          "radius_pixels": 10.36
        }
      }
    ]
  }