{
  "dataset": "ADAS-TO",
  "case_id": "ADAS_TO_RISK_0001",
  "vehicle_model": "ACURA_MDX_3G_MMR",
  "driver": "driver_233",
  "route": "route_229",
  "video_event_s": 10.0,
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  "old_action_label": "混合操作接管",
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  "alert_rows_checked": 1000,
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      "ttc_s_threshold": {
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      "thw_s_threshold": {
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      "thw_moving_s_threshold": {
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      "radar": {
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    "alignment": "0.05秒公共网格，向后取最近已记录值；容差为各流采样周期1.6倍，限于0.035至0.5秒；不插值。原始采样统计另算。雷达距离与相对速度汇总仅用目标有效记录。",
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  "review_note": "自动提取的事实，不代表已经完成画面复核或致因判断。"
}