{
  "case_id": "ADAS_TO_RISK_0049",
  "nearby_points": [
    {
      "requested_t": 0,
      "record_t": 0.0,
      "speed_kmh": 32.810157394409174,
      "accel_mps2": -0.1850510984659195,
      "steer_deg": -4.0,
      "gas": false,
      "brake": true
    },
    {
      "requested_t": 3.408,
      "record_t": 3.410873668,
      "speed_kmh": 16.429482078552248,
      "accel_mps2": -1.7408771514892578,
      "steer_deg": -4.199999809265137,
      "gas": false,
      "brake": true
    },
    {
      "requested_t": 5,
      "record_t": 5.000666689,
      "speed_kmh": 14.054322052001952,
      "accel_mps2": -0.5991931557655334,
      "steer_deg": 2.5,
      "gas": false,
      "brake": true
    },
    {
      "requested_t": 7,
      "record_t": 7.000815429,
      "speed_kmh": 5.641821956634522,
      "accel_mps2": -1.2365013360977173,
      "steer_deg": -2.700000047683716,
      "gas": false,
      "brake": true
    },
    {
      "requested_t": 9.99,
      "record_t": 9.990038723,
      "speed_kmh": 0.2908726930618283,
      "accel_mps2": -0.0461512692272663,
      "steer_deg": -7.599999904632568,
      "gas": false,
      "brake": true
    }
  ],
  "whole_post_min_speed": {
    "t": 9.219861243,
    "speed_kmh": 0.12069465816020941
  },
  "old_event_window_min_ttc": {
    "t": 0.158022828,
    "lead_valid": 1.0,
    "distance_m": 31.6172065735,
    "relative_speed_mps": -8.5487670898,
    "lead_y_m": -1.9898681641,
    "ttc_s": 3.6984522144,
    "thw_s": 3.4805676699,
    "thw_moving_s": 3.4805676699
  },
  "early_target_dropout": [
    {
      "t": -2.29124871,
      "lead_valid": 1.0,
      "distance_m": 57.0136909485,
      "relative_speed_mps": -7.6346740723,
      "lead_y_m": -0.5382232666,
      "ttc_s": 7.4677308303,
      "thw_s": 6.0494273993,
      "thw_moving_s": 6.0494273993
    },
    {
      "t": -2.242148832,
      "lead_valid": 1.0,
      "distance_m": 55.1699409485,
      "relative_speed_mps": -7.8309631348,
      "lead_y_m": -0.6417388916,
      "ttc_s": 7.0451028819,
      "thw_s": 5.869755081,
      "thw_moving_s": 5.869755081
    },
    {
      "t": -2.191887187,
      "lead_valid": 0.0,
      "distance_m": 0.0,
      "relative_speed_mps": 0.0,
      "lead_y_m": 0.0,
      "ttc_s": null,
      "thw_s": null,
      "thw_moving_s": null
    },
    {
      "t": -2.143085642,
      "lead_valid": 1.0,
      "distance_m": 53.9511909485,
      "relative_speed_mps": -7.7440490723,
      "lead_y_m": -0.7642974854,
      "ttc_s": 6.9667935269,
      "thw_s": 5.7644157204,
      "thw_moving_s": 5.7644157204
    },
    {
      "t": -2.093328371,
      "lead_valid": 1.0,
      "distance_m": 53.2636909485,
      "relative_speed_mps": -7.7147521973,
      "lead_y_m": -0.8189849854,
      "ttc_s": 6.9041350372,
      "thw_s": 5.7034860679,
      "thw_moving_s": 5.7034860679
    }
  ],
  "old_metric_provenance": {
    "window": [
      -0.5,
      0.2
    ],
    "analysis_code_sha256": "2b9f40f26c558b3341a64af617df747080c998565f6d60e96e028eaac1d64508",
    "extraction_code_sha256": "6ea316d3228e1a3d56e46fd43f5ecff2cab354b3113a2d069156755f1ef7ba9c",
    "interpretation": "旧3.70秒由事件窗包含后0.158秒产生；新前10秒最小3.97秒，不能混作同一前窗值。"
  }
}