{
  "schema": "sixuan-custom-annotation",
  "schemaVersion": "1.0",
  "sourceStatus": "project-record",
  "notice": "Custom annotation schema. Coordinates use pixels with the origin at the top-left; bbox contains x, y, width and height.",
  "project": {
    "id": "urban-road",
    "task": "2d-object-detection",
    "ruleVersion": "rules-1.0",
    "batchId": "batch-001"
  },
  "image": {
    "id": "image-001",
    "fileName": "road-001.jpg",
    "fileIncluded": false,
    "width": 1920,
    "height": 1080,
    "coordinateSystem": "pixel coordinates; origin at top-left; bbox = x, y, width, height"
  },
  "categories": [
    {
      "id": 1,
      "name": "vehicle"
    },
    {
      "id": 2,
      "name": "pedestrian"
    }
  ],
  "annotations": [
    {
      "id": "object-001",
      "categoryId": 1,
      "bbox": [
        640,
        420,
        320,
        240
      ],
      "attributes": {
        "occlusion": "none",
        "truncated": false
      }
    },
    {
      "id": "object-002",
      "categoryId": 2,
      "bbox": [
        1210,
        370,
        80,
        230
      ],
      "attributes": {
        "occlusion": "partial",
        "truncated": false
      }
    }
  ],
  "qualityRecord": {
    "sourceStatus": "project-record",
    "reviewState": "reviewed",
    "ruleChecks": [
      "required-fields-present",
      "geometry-within-image",
      "category-reference-valid"
    ],
    "productionAcceptance": false
  }
}