{
  "schema": "silktrain-pilot-sample/v1",
  "synthetic": true,
  "locale": "zh-hant",
  "workflow": "lidar-point-clouds",
  "service": "data-documents",
  "title": "光達與三維點雲標註",
  "source_scenario": "路側點雲中有兩輛車局部重疊。",
  "expected_delivery": "三維框或逐點標籤、物件識別碼與座標系說明。",
  "acceptance_check": "從多個視角核對單位、朝向和部分遮蔽的邊緣。",
  "scoping_checklist": "準備具代表性的樣本、類別定義、邊界情況及標明單位或座標的匯出結構。",
  "examples": [
    {
      "id": "PC-09",
      "frame": "sensor_xyz_m",
      "object": "V3",
      "class": "vehicle",
      "center_m": [
        4.2,
        1.8,
        0.9
      ],
      "dimensions_m": [
        4,
        1.6,
        1.8
      ],
      "yaw_rad": 0.31
    },
    {
      "id": "PC-10",
      "frame": "sensor_xyz_m",
      "object": "V4",
      "class": "vehicle",
      "center_m": [
        8.5,
        1.9,
        0.8
      ],
      "dimensions_m": [
        3.8,
        1.6,
        1.6
      ],
      "yaw_rad": 0.29
    },
    {
      "id": "PC-11",
      "frame": "sensor_xyz_m",
      "object": "P1",
      "class": "post",
      "center_m": [
        1.2,
        3.8,
        0.6
      ],
      "dimensions_m": [
        0.2,
        0.2,
        1.2
      ],
      "yaw_rad": 0
    }
  ]
}