{
  "dataset": "ADAS-TO",
  "case_id": "ADAS_TO_RISK_0117",
  "vehicle_model": "CHEVROLET_SILVERADO",
  "driver": "driver_144",
  "route": "route_028",
  "video_event_s": 10.0,
  "video_anchor_source": "meta.video_time_s - meta.clip_start_s",
  "old_primary_risk": "路径曲率跟踪风险",
  "old_risk_score": 44.0,
  "old_indicators": "lane probability=0.040; curvature error=0.0093/m",
  "old_action_label": "油门接管",
  "alert_text_status": "两列提示文字在所记录的退出前10秒均为空",
  "alert_rows_checked": 100,
  "alert_observed_range_s": [
    -9.966785038,
    -0.066648636
  ],
  "metrics": {
    "pre10": {
      "speed_kmh": {
        "min": 4.246433830261231,
        "max": 50.630712890625,
        "mean": 23.300869802995162,
        "n": 99,
        "min_t": -0.099825742,
        "max_t": -9.900412277
      },
      "accel_mps2": {
        "min": -2.4614005088806152,
        "max": -0.2184602171182632,
        "mean": -1.36265036719616,
        "n": 99,
        "min_t": -9.900412277,
        "max_t": -0.099825742
      },
      "steer_deg": {
        "min": 2.75,
        "max": 21.625,
        "mean": 12.869318181818182,
        "n": 99,
        "min_t": -0.200545791,
        "max_t": -9.900412277
      },
      "brake": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.16161616161616163,
        "n": 99,
        "min_t": -8.300503753,
        "max_t": -9.900412277
      },
      "gas": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.04040404040404041,
        "n": 99,
        "min_t": -9.900412277,
        "max_t": -0.399968165
      },
      "steer_pressed": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.24242424242424243,
        "n": 99,
        "min_t": -7.899836917,
        "max_t": -9.900412277
      },
      "cruise": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.8181818181818182,
        "n": 99,
        "min_t": -9.900412277,
        "max_t": -8.100148539
      },
      "lat_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.81,
        "n": 100,
        "min_t": -9.966620927,
        "max_t": -8.165991006
      },
      "long_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.78,
        "n": 100,
        "min_t": -9.966620927,
        "max_t": -8.165991006
      },
      "left_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 100,
        "min_t": -9.966620927,
        "max_t": -9.966620927
      },
      "right_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 100,
        "min_t": -9.966620927,
        "max_t": -9.966620927
      },
      "curvature_difference": {
        "min": -0.0005458435043693005,
        "max": 0.009279230958782102,
        "mean": 0.0025176455231849166,
        "n": 100,
        "min_t": -8.166132045,
        "max_t": -0.966173571
      },
      "cs_enabled": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 100,
        "min_t": -9.966785038,
        "max_t": -9.966785038
      },
      "cs_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 100,
        "min_t": -9.966785038,
        "max_t": -9.966785038
      },
      "distance_m": {
        "min": 8.839374542236328,
        "max": 47.07374954223633,
        "mean": 20.427076155139552,
        "n": 31,
        "min_t": -0.102577568,
        "max_t": -7.60233032
      },
      "relative_speed_mps": {
        "min": -10.40571117401123,
        "max": -0.7013101577758789,
        "mean": -4.791693902784778,
        "n": 31,
        "min_t": -7.60233032,
        "max_t": -0.102577568
      },
      "ttc_s": {
        "min": 3.7658669454421645,
        "max": 12.604087427265199,
        "mean": 4.981616960042059,
        "n": 31,
        "min_t": -5.353019338,
        "max_t": -0.102577568
      },
      "thw_s": {
        "min": 3.7474636588699837,
        "max": 7.4156937179463975,
        "mean": 4.540076751978379,
        "n": 31,
        "min_t": -5.102561413,
        "max_t": -0.102577568
      },
      "thw_moving_s": {
        "min": 3.7474636588699837,
        "max": 4.39209248304329,
        "mean": 3.9570557690700454,
        "n": 13,
        "min_t": -5.102561413,
        "max_t": -7.60233032
      },
      "lead_valid": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.775,
        "n": 40,
        "min_t": -9.852717339,
        "max_t": -7.60233032
      },
      "left_lane_probability": {
        "min": 0.0400122702121734,
        "max": 0.963161289691925,
        "mean": 0.4782127568498254,
        "n": 20,
        "min_t": -0.557278125,
        "max_t": -9.557490845
      },
      "right_lane_probability": {
        "min": 0.129292756319046,
        "max": 0.9487276077270508,
        "mean": 0.6388978645205498,
        "n": 20,
        "min_t": -0.058888516,
        "max_t": -9.557490845
      },
      "planned_accel": {
        "min": -1.794566631317139,
        "max": -0.3763692378997803,
        "mean": -1.207118274271488,
        "n": 20,
        "min_t": -5.553104339,
        "max_t": -9.553154572
      },
      "fcw": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 20,
        "min_t": -9.553154572,
        "max_t": -9.553154572
      },
      "ttc_s_threshold": {
        "points": 0,
        "max_run_s": 0.0,
        "first_t": null
      },
      "thw_s_threshold": {
        "points": 0,
        "max_run_s": 0.0,
        "first_t": null
      },
      "thw_moving_s_threshold": {
        "points": 0,
        "max_run_s": 0.0,
        "first_t": null
      }
    },
    "pre5": {
      "speed_kmh": {
        "min": 4.246433830261231,
        "max": 20.216629028320312,
        "mean": 10.300781039802397,
        "n": 49,
        "min_t": -0.099825742,
        "max_t": -4.9004477
      },
      "accel_mps2": {
        "min": -1.783514380455017,
        "max": -0.2184602171182632,
        "mean": -0.9712374049181841,
        "n": 49,
        "min_t": -4.799872937,
        "max_t": -0.099825742
      },
      "steer_deg": {
        "min": 2.75,
        "max": 17.5625,
        "mean": 9.709183673469388,
        "n": 49,
        "min_t": -0.200545791,
        "max_t": -4.100086442
      },
      "brake": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 49,
        "min_t": -4.9004477,
        "max_t": -4.9004477
      },
      "gas": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.08163265306122448,
        "n": 49,
        "min_t": -4.9004477,
        "max_t": -0.399968165
      },
      "steer_pressed": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 49,
        "min_t": -4.9004477,
        "max_t": -4.9004477
      },
      "cruise": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 49,
        "min_t": -4.9004477,
        "max_t": -4.9004477
      },
      "lat_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.98,
        "n": 50,
        "min_t": -0.06649442,
        "max_t": -4.966067946
      },
      "long_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.92,
        "n": 50,
        "min_t": -0.365692745,
        "max_t": -4.966067946
      },
      "left_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 50,
        "min_t": -4.966067946,
        "max_t": -4.966067946
      },
      "right_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 50,
        "min_t": -4.966067946,
        "max_t": -4.966067946
      },
      "curvature_difference": {
        "min": 0.0,
        "max": 0.009279230958782102,
        "mean": 0.004979423384647829,
        "n": 50,
        "min_t": -0.066648636,
        "max_t": -0.966173571
      },
      "cs_enabled": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 50,
        "min_t": -4.966214037,
        "max_t": -4.966214037
      },
      "cs_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 50,
        "min_t": -4.966214037,
        "max_t": -4.966214037
      },
      "distance_m": {
        "min": 8.839374542236328,
        "max": 22.729999542236328,
        "mean": 13.040937042236328,
        "n": 20,
        "min_t": -0.102577568,
        "max_t": -4.851123816
      },
      "relative_speed_mps": {
        "min": -5.6944990158081055,
        "max": -0.7013101577758789,
        "mean": -2.7827136516571045,
        "n": 20,
        "min_t": -4.851123816,
        "max_t": -0.102577568
      },
      "ttc_s": {
        "min": 3.8882205853882357,
        "max": 12.604087427265199,
        "mean": 5.52958298900194,
        "n": 20,
        "min_t": -4.352065241,
        "max_t": -0.102577568
      },
      "thw_s": {
        "min": 3.8892356975558204,
        "max": 7.4156937179463975,
        "mean": 4.862552708189584,
        "n": 20,
        "min_t": -4.101620789,
        "max_t": -0.102577568
      },
      "thw_moving_s": {
        "min": 3.9028408712063007,
        "max": 4.047558979166242,
        "mean": 3.9751999251862715,
        "n": 2,
        "min_t": -4.601095189,
        "max_t": -4.851123816
      },
      "lead_valid": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 20,
        "min_t": -4.851123816,
        "max_t": -4.851123816
      },
      "left_lane_probability": {
        "min": 0.0400122702121734,
        "max": 0.2037075459957122,
        "mean": 0.11428173370659347,
        "n": 10,
        "min_t": -0.557278125,
        "max_t": -4.556965793
      },
      "right_lane_probability": {
        "min": 0.129292756319046,
        "max": 0.7379143238067627,
        "mean": 0.40877257883548734,
        "n": 10,
        "min_t": -0.058888516,
        "max_t": -4.556965793
      },
      "planned_accel": {
        "min": -1.607051134109497,
        "max": -0.4736168682575226,
        "mean": -0.9431247621774673,
        "n": 10,
        "min_t": -4.552747798,
        "max_t": -0.05455073
      },
      "fcw": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 10,
        "min_t": -4.552747798,
        "max_t": -4.552747798
      },
      "ttc_s_threshold": {
        "points": 0,
        "max_run_s": 0.0,
        "first_t": null
      },
      "thw_s_threshold": {
        "points": 0,
        "max_run_s": 0.0,
        "first_t": null
      },
      "thw_moving_s_threshold": {
        "points": 0,
        "max_run_s": 0.0,
        "first_t": null
      }
    },
    "pre2": {
      "speed_kmh": {
        "min": 4.246433830261231,
        "max": 8.019831562042237,
        "mean": 5.982145829200745,
        "n": 20,
        "min_t": -0.099825742,
        "max_t": -1.999992717
      },
      "accel_mps2": {
        "min": -0.6639036536216736,
        "max": -0.2184602171182632,
        "mean": -0.5775948189198971,
        "n": 20,
        "min_t": -1.999992717,
        "max_t": -0.099825742
      },
      "steer_deg": {
        "min": 2.75,
        "max": 4.1875,
        "mean": 3.30625,
        "n": 20,
        "min_t": -0.200545791,
        "max_t": -1.999992717
      },
      "brake": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 20,
        "min_t": -1.999992717,
        "max_t": -1.999992717
      },
      "gas": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.2,
        "n": 20,
        "min_t": -1.999992717,
        "max_t": -0.399968165
      },
      "steer_pressed": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 20,
        "min_t": -1.999992717,
        "max_t": -1.999992717
      },
      "cruise": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 20,
        "min_t": -1.999992717,
        "max_t": -1.999992717
      },
      "lat_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.95,
        "n": 20,
        "min_t": -0.06649442,
        "max_t": -1.966075993
      },
      "long_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.8,
        "n": 20,
        "min_t": -0.365692745,
        "max_t": -1.966075993
      },
      "left_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 20,
        "min_t": -1.966075993,
        "max_t": -1.966075993
      },
      "right_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 20,
        "min_t": -1.966075993,
        "max_t": -1.966075993
      },
      "curvature_difference": {
        "min": 0.0,
        "max": 0.009279230958782102,
        "mean": 0.007937810529256248,
        "n": 20,
        "min_t": -0.066648636,
        "max_t": -0.966173571
      },
      "cs_enabled": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 20,
        "min_t": -1.966224532,
        "max_t": -1.966224532
      },
      "cs_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 20,
        "min_t": -1.966224532,
        "max_t": -1.966224532
      },
      "distance_m": {
        "min": 8.839374542236328,
        "max": 10.722187042236328,
        "mean": 9.581562042236328,
        "n": 8,
        "min_t": -0.102577568,
        "max_t": -1.85268353
      },
      "relative_speed_mps": {
        "min": -2.100050926208496,
        "max": -0.7013101577758789,
        "mean": -1.4330378770828247,
        "n": 8,
        "min_t": -1.85268353,
        "max_t": -0.102577568
      },
      "ttc_s": {
        "min": 5.105679537778892,
        "max": 12.604087427265199,
        "mean": 7.4341994094493655,
        "n": 8,
        "min_t": -1.85268353,
        "max_t": -0.102577568
      },
      "thw_s": {
        "min": 4.713066529372933,
        "max": 7.4156937179463975,
        "mean": 5.9506249667732245,
        "n": 8,
        "min_t": -1.602893858,
        "max_t": -0.102577568
      },
      "thw_moving_s": {
        "min": null,
        "max": null,
        "mean": null,
        "n": 0,
        "min_t": null,
        "max_t": null
      },
      "lead_valid": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 8,
        "min_t": -1.85268353,
        "max_t": -1.85268353
      },
      "left_lane_probability": {
        "min": 0.0400122702121734,
        "max": 0.0960254892706871,
        "mean": 0.057700726203620406,
        "n": 4,
        "min_t": -0.557278125,
        "max_t": -1.557156565
      },
      "right_lane_probability": {
        "min": 0.129292756319046,
        "max": 0.3391706645488739,
        "mean": 0.21753426641225815,
        "n": 4,
        "min_t": -0.058888516,
        "max_t": -1.557156565
      },
      "planned_accel": {
        "min": -0.6969826221466064,
        "max": -0.4736168682575226,
        "mean": -0.5986156687140465,
        "n": 4,
        "min_t": -1.552877737,
        "max_t": -0.05455073
      },
      "fcw": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 4,
        "min_t": -1.552877737,
        "max_t": -1.552877737
      },
      "ttc_s_threshold": {
        "points": 0,
        "max_run_s": 0.0,
        "first_t": null
      },
      "thw_s_threshold": {
        "points": 0,
        "max_run_s": 0.0,
        "first_t": null
      },
      "thw_moving_s_threshold": {
        "points": 0,
        "max_run_s": 0.0,
        "first_t": null
      }
    },
    "event": {
      "speed_kmh": {
        "min": 4.242335414886475,
        "max": 4.945763397216798,
        "mean": 4.462831664085388,
        "n": 6,
        "min_t": 0.0,
        "max_t": 0.399940372
      },
      "accel_mps2": {
        "min": -0.2184602171182632,
        "max": 0.7571994662284851,
        "mean": 0.21260826413830122,
        "n": 6,
        "min_t": -0.099825742,
        "max_t": 0.399940372
      },
      "steer_deg": {
        "min": 2.75,
        "max": 5.5625,
        "mean": 4.020833333333333,
        "n": 6,
        "min_t": -0.099825742,
        "max_t": 0.299508228
      },
      "brake": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 6,
        "min_t": -0.099825742,
        "max_t": -0.099825742
      },
      "gas": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 6,
        "min_t": -0.099825742,
        "max_t": -0.099825742
      },
      "steer_pressed": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.16666666666666666,
        "n": 6,
        "min_t": -0.099825742,
        "max_t": 0.200252052
      },
      "cruise": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.16666666666666666,
        "n": 6,
        "min_t": 0.0,
        "max_t": -0.099825742
      },
      "lat_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.14285714285714285,
        "n": 7,
        "min_t": -0.06649442,
        "max_t": -0.166793226
      },
      "long_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 7,
        "min_t": -0.166793226,
        "max_t": -0.166793226
      },
      "left_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 7,
        "min_t": -0.166793226,
        "max_t": -0.166793226
      },
      "right_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 7,
        "min_t": -0.166793226,
        "max_t": -0.166793226
      },
      "curvature_difference": {
        "min": 0.0,
        "max": 0.006919740233570401,
        "mean": 0.0009885343190814857,
        "n": 7,
        "min_t": -0.066648636,
        "max_t": -0.166941036
      },
      "cs_enabled": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 7,
        "min_t": -0.166941036,
        "max_t": -0.166941036
      },
      "cs_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 7,
        "min_t": -0.166941036,
        "max_t": -0.166941036
      },
      "distance_m": {
        "min": 8.284687042236328,
        "max": 8.839374542236328,
        "mean": 8.534687042236328,
        "n": 3,
        "min_t": 0.147271655,
        "max_t": -0.102577568
      },
      "relative_speed_mps": {
        "min": -0.7013101577758789,
        "max": -0.0425844192504882,
        "mean": -0.26216443379720045,
        "n": 3,
        "min_t": -0.102577568,
        "max_t": 0.39641679
      },
      "ttc_s": {
        "min": 12.604087427265199,
        "max": 12.604087427265199,
        "mean": 12.604087427265199,
        "n": 1,
        "min_t": -0.102577568,
        "max_t": -0.102577568
      },
      "thw_s": {
        "min": 6.590732018894038,
        "max": 7.4156937179463975,
        "mean": 6.984113369366512,
        "n": 3,
        "min_t": 0.39641679,
        "max_t": -0.102577568
      },
      "thw_moving_s": {
        "min": null,
        "max": null,
        "mean": null,
        "n": 0,
        "min_t": null,
        "max_t": null
      },
      "lead_valid": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 3,
        "min_t": -0.102577568,
        "max_t": -0.102577568
      },
      "left_lane_probability": {
        "min": 0.0281140580773353,
        "max": 0.0452680923044681,
        "mean": 0.0366910751909017,
        "n": 2,
        "min_t": 0.441214262,
        "max_t": -0.058888516
      },
      "right_lane_probability": {
        "min": 0.0960254892706871,
        "max": 0.129292756319046,
        "mean": 0.11265912279486655,
        "n": 2,
        "min_t": 0.441214262,
        "max_t": -0.058888516
      },
      "planned_accel": {
        "min": -0.4736168682575226,
        "max": -0.1946923732757568,
        "mean": -0.3341546207666397,
        "n": 2,
        "min_t": -0.05455073,
        "max_t": 0.445494497
      },
      "fcw": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 2,
        "min_t": -0.05455073,
        "max_t": -0.05455073
      },
      "ttc_s_threshold": {
        "points": 0,
        "max_run_s": 0.0,
        "first_t": null
      },
      "thw_s_threshold": {
        "points": 0,
        "max_run_s": 0.0,
        "first_t": null
      },
      "thw_moving_s_threshold": {
        "points": 0,
        "max_run_s": 0.0,
        "first_t": null
      }
    },
    "post5": {
      "speed_kmh": {
        "min": 4.242335414886475,
        "max": 24.818115234375,
        "mean": 15.830709516300876,
        "n": 51,
        "min_t": 0.0,
        "max_t": 4.999857457
      },
      "accel_mps2": {
        "min": -0.0883328467607498,
        "max": 2.6495015621185303,
        "mean": 1.132057220181998,
        "n": 51,
        "min_t": 0.0,
        "max_t": 1.599716233
      },
      "steer_deg": {
        "min": 2.75,
        "max": 141.0,
        "mean": 48.95343137254902,
        "n": 51,
        "min_t": 0.0,
        "max_t": 4.999857457
      },
      "brake": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 51,
        "min_t": 0.0,
        "max_t": 0.0
      },
      "gas": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 51,
        "min_t": 0.0,
        "max_t": 0.0
      },
      "steer_pressed": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.803921568627451,
        "n": 51,
        "min_t": 0.0,
        "max_t": 0.200252052
      },
      "cruise": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 51,
        "min_t": 0.0,
        "max_t": 0.0
      },
      "lat_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 50,
        "min_t": 0.033007474,
        "max_t": 0.033007474
      },
      "long_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 50,
        "min_t": 0.033007474,
        "max_t": 0.033007474
      },
      "left_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 50,
        "min_t": 0.033007474,
        "max_t": 0.033007474
      },
      "right_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 50,
        "min_t": 0.033007474,
        "max_t": 0.033007474
      },
      "curvature_difference": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 50,
        "min_t": 0.032854925,
        "max_t": 0.032854925
      },
      "cs_enabled": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 50,
        "min_t": 0.032854925,
        "max_t": 0.032854925
      },
      "cs_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 50,
        "min_t": 0.032854925,
        "max_t": 0.032854925
      },
      "distance_m": {
        "min": 7.183125019073486,
        "max": 10.683124542236328,
        "mean": 8.410555283228556,
        "n": 18,
        "min_t": 2.147797987,
        "max_t": 4.396976206
      },
      "relative_speed_mps": {
        "min": -0.5616865158081055,
        "max": 0.5186891555786133,
        "mean": -0.027690092722574854,
        "n": 18,
        "min_t": 2.147797987,
        "max_t": 3.646431259
      },
      "ttc_s": {
        "min": 12.788494679704094,
        "max": 12.788494679704094,
        "mean": 12.788494679704094,
        "n": 1,
        "min_t": 2.147797987,
        "max_t": 2.147797987
      },
      "thw_s": {
        "min": 1.4606993709495553,
        "max": 6.945914371259101,
        "mean": 2.731868764528987,
        "n": 18,
        "min_t": 2.896402847,
        "max_t": 0.147271655
      },
      "thw_moving_s": {
        "min": 1.4606993709495553,
        "max": 1.6859584981605373,
        "mean": 1.580177525237022,
        "n": 7,
        "min_t": 2.896402847,
        "max_t": 4.396976206
      },
      "lead_valid": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.9,
        "n": 20,
        "min_t": 4.645412567,
        "max_t": 0.147271655
      },
      "left_lane_probability": {
        "min": 0.0199851524084806,
        "max": 0.0376086346805095,
        "mean": 0.025655746832489924,
        "n": 10,
        "min_t": 2.941535058,
        "max_t": 0.941192939
      },
      "right_lane_probability": {
        "min": 0.0157239902764558,
        "max": 0.0960254892706871,
        "mean": 0.038627986796200255,
        "n": 10,
        "min_t": 4.441763951,
        "max_t": 0.441214262
      },
      "planned_accel": {
        "min": -0.1946923732757568,
        "max": 0.5597438216209412,
        "mean": 0.37644810080528257,
        "n": 10,
        "min_t": 0.445494497,
        "max_t": 1.945043821
      },
      "fcw": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 10,
        "min_t": 0.445494497,
        "max_t": 0.445494497
      },
      "ttc_s_threshold": {
        "points": 0,
        "max_run_s": 0.0,
        "first_t": null
      },
      "thw_s_threshold": {
        "points": 0,
        "max_run_s": 0.0,
        "first_t": null
      },
      "thw_moving_s_threshold": {
        "points": 0,
        "max_run_s": 0.0,
        "first_t": null
      }
    }
  },
  "transitions": {
    "driver_brake_on": [],
    "driver_gas_on": [
      -0.4
    ],
    "driver_steer_pressed_on": [
      -6.8,
      -6.3006,
      -5.9002,
      0.2003,
      0.8995,
      1.5004
    ],
    "control_lat_active_off": [
      -0.0665
    ],
    "control_long_active_off": [
      -0.3657
    ],
    "cruise_off": [
      0.0
    ],
    "driver_flags_at_first_record": {
      "brake": 1.0,
      "gas": 0.0,
      "steer_pressed": 1.0
    }
  },
  "quality": {
    "radar_large_distance_jumps_s": [],
    "radar_target_loss_s": [
      4.645412567
    ],
    "video_precontext_s": 10,
    "source_sampling": {
      "vehicle": {
        "rows": 200,
        "median_step_s": 0.09997557099999987,
        "max_gap_s": 0.10088377699999995,
        "start_relative_s": -9.900412277,
        "end_relative_s": 9.999402106
      },
      "control": {
        "rows": 200,
        "median_step_s": 0.10003020600000045,
        "max_gap_s": 0.10151435299999889,
        "start_relative_s": -9.966620927,
        "end_relative_s": 9.932718322
      },
      "controller": {
        "rows": 200,
        "median_step_s": 0.10002517899999996,
        "max_gap_s": 0.1015121660000009,
        "start_relative_s": -9.966785038,
        "end_relative_s": 9.932575981
      },
      "radar": {
        "rows": 80,
        "median_step_s": 0.24991826300000008,
        "max_gap_s": 0.2526288569999995,
        "start_relative_s": -9.852717339,
        "end_relative_s": 9.895715062
      },
      "model": {
        "rows": 40,
        "median_step_s": 0.4999674179999998,
        "max_gap_s": 0.50163197,
        "start_relative_s": -9.557490845,
        "end_relative_s": 9.942419872
      },
      "plan": {
        "rows": 40,
        "median_step_s": 0.4999625899999991,
        "max_gap_s": 0.5016222839999998,
        "start_relative_s": -9.553154572,
        "end_relative_s": 9.94663834
      }
    },
    "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。",
    "threshold_duration_method": "仅连续命中的CSV记录组成一段；任一不命中/缺失值或超过该窗口中位采样间隔1.6倍的时间缺口均中断。时长按末点减首点加一个中位采样间隔近似，非逐帧危险持续时间。"
  },
  "timeline": [
    {
      "t": -10.0,
      "speed_mps": null,
      "accel_mps2": null,
      "steer_deg": null,
      "steer_torque": null,
      "brake": null,
      "gas": null,
      "steer_pressed": null,
      "cruise": null,
      "speed_kmh": null,
      "cc_enabled": null,
      "lat_active": null,
      "long_active": null,
      "left_blinker": null,
      "right_blinker": null,
      "requested_accel": null,
      "cs_enabled": null,
      "cs_active": null,
      "curvature": null,
      "desired_curvature": null,
      "force_decel": null,
      "curvature_difference": null,
      "lead_valid": null,
      "distance_m": null,
      "relative_speed_mps": null,
      "lead_y_m": null,
      "ttc_s": null,
      "thw_s": null,
      "thw_moving_s": null,
      "left_lane_probability": null,
      "right_lane_probability": null,
      "left_lane_y": null,
      "right_lane_y": null,
      "fcw": null,
      "planned_accel": null,
      "plan_has_lead": null
    },
    {
      "t": -8.0,
      "speed_mps": 10.903843879699709,
      "accel_mps2": -0.6724304556846619,
      "steer_deg": 17.5625,
      "steer_torque": 1.100000023841858,
      "brake": 0.0,
      "gas": 0.0,
      "steer_pressed": 1.0,
      "cruise": 1.0,
      "speed_kmh": 39.25383796691895,
      "cc_enabled": 1.0,
      "lat_active": 1.0,
      "long_active": 1.0,
      "left_blinker": 0.0,
      "right_blinker": 0.0,
      "requested_accel": -1.631205677986145,
      "cs_enabled": 0.0,
      "cs_active": 0.0,
      "curvature": -0.0048201596364378,
      "desired_curvature": -0.0043087173253297,
      "force_decel": 0.0,
      "curvature_difference": -0.0005114423111081002,
      "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,
      "left_lane_probability": 0.9490118622779846,
      "right_lane_probability": 0.8887588381767273,
      "left_lane_y": -1.6064453125,
      "right_lane_y": 1.5986328125,
      "fcw": 0.0,
      "planned_accel": -1.5083794593811035,
      "plan_has_lead": 0.0
    },
    {
      "t": -5.0,
      "speed_mps": 5.775285243988037,
      "accel_mps2": -1.6770731210708618,
      "steer_deg": 9.0,
      "steer_torque": 0.2599999904632568,
      "brake": 0.0,
      "gas": 0.0,
      "steer_pressed": 0.0,
      "cruise": 1.0,
      "speed_kmh": 20.791026878356934,
      "cc_enabled": 1.0,
      "lat_active": 1.0,
      "long_active": 1.0,
      "left_blinker": 0.0,
      "right_blinker": 0.0,
      "requested_accel": -1.7453612089157104,
      "cs_enabled": 0.0,
      "cs_active": 0.0,
      "curvature": -0.0029476105701178,
      "desired_curvature": -0.0053821075707674,
      "force_decel": 0.0,
      "curvature_difference": 0.0024344970006496,
      "lead_valid": 1.0,
      "distance_m": 22.917499542236328,
      "relative_speed_mps": -6.007586479187012,
      "lead_y_m": 1.9951171875,
      "ttc_s": 3.814759824370882,
      "thw_s": 3.7474636588699837,
      "thw_moving_s": 3.7474636588699837,
      "left_lane_probability": 0.3648906946182251,
      "right_lane_probability": 0.7032438516616821,
      "left_lane_y": -1.4765625,
      "right_lane_y": 1.96875,
      "fcw": 0.0,
      "planned_accel": -1.743094563484192,
      "plan_has_lead": 1.0
    },
    {
      "t": -3.0,
      "speed_mps": 3.0153963565826416,
      "accel_mps2": -1.01916766166687,
      "steer_deg": 17.4375,
      "steer_torque": 0.0700000002980232,
      "brake": 0.0,
      "gas": 0.0,
      "steer_pressed": 0.0,
      "cruise": 1.0,
      "speed_kmh": 10.85542688369751,
      "cc_enabled": 1.0,
      "lat_active": 1.0,
      "long_active": 1.0,
      "left_blinker": 0.0,
      "right_blinker": 0.0,
      "requested_accel": -1.0912715196609497,
      "cs_enabled": 0.0,
      "cs_active": 0.0,
      "curvature": -0.0052510323002934,
      "desired_curvature": -0.0066309813410043,
      "force_decel": 0.0,
      "curvature_difference": 0.0013799490407109,
      "lead_valid": 1.0,
      "distance_m": 13.276874542236328,
      "relative_speed_mps": -3.0298757553100586,
      "lead_y_m": 0.96630859375,
      "ttc_s": 4.3819864623055,
      "thw_s": 4.13678373053075,
      "thw_moving_s": null,
      "left_lane_probability": 0.0968765392899513,
      "right_lane_probability": 0.5087957978248596,
      "left_lane_y": -1.9169921875,
      "right_lane_y": 2.03515625,
      "fcw": 0.0,
      "planned_accel": -1.077280044555664,
      "plan_has_lead": 1.0
    },
    {
      "t": -1.0,
      "speed_mps": 1.6188220977783203,
      "accel_mps2": -0.6246784925460815,
      "steer_deg": 3.25,
      "steer_torque": 0.2399999946355819,
      "brake": 0.0,
      "gas": 0.0,
      "steer_pressed": 0.0,
      "cruise": 1.0,
      "speed_kmh": 5.827759552001953,
      "cc_enabled": 1.0,
      "lat_active": 1.0,
      "long_active": 1.0,
      "left_blinker": 0.0,
      "right_blinker": 0.0,
      "requested_accel": -0.7518747448921204,
      "cs_enabled": 0.0,
      "cs_active": 0.0,
      "curvature": -0.0014484071871265,
      "desired_curvature": -0.0098224161192774,
      "force_decel": 0.0,
      "curvature_difference": 0.008374008932150899,
      "lead_valid": 1.0,
      "distance_m": 9.815937042236328,
      "relative_speed_mps": -1.5953035354614258,
      "lead_y_m": 0.9296875,
      "ttc_s": 6.153021556112308,
      "thw_s": 5.626906302859845,
      "thw_moving_s": null,
      "left_lane_probability": 0.049497053027153,
      "right_lane_probability": 0.2293625622987747,
      "left_lane_y": -2.220703125,
      "right_lane_y": 1.6591796875,
      "fcw": 0.0,
      "planned_accel": -0.6365774869918823,
      "plan_has_lead": 1.0
    },
    {
      "t": 0.0,
      "speed_mps": 1.1784265041351318,
      "accel_mps2": -0.0883328467607498,
      "steer_deg": 2.75,
      "steer_torque": 0.6499999761581421,
      "brake": 0.0,
      "gas": 1.0,
      "steer_pressed": 0.0,
      "cruise": 0.0,
      "speed_kmh": 4.242335414886475,
      "cc_enabled": 0.0,
      "lat_active": 0.0,
      "long_active": 0.0,
      "left_blinker": 0.0,
      "right_blinker": 0.0,
      "requested_accel": 0.0,
      "cs_enabled": 0.0,
      "cs_active": 0.0,
      "curvature": -0.0013217874802649,
      "desired_curvature": -0.0013217874802649,
      "force_decel": 0.0,
      "curvature_difference": 0.0,
      "lead_valid": 1.0,
      "distance_m": 8.839374542236328,
      "relative_speed_mps": -0.7013101577758789,
      "lead_y_m": 0.81005859375,
      "ttc_s": 12.604087427265199,
      "thw_s": 7.4156937179463975,
      "thw_moving_s": null,
      "left_lane_probability": 0.0452680923044681,
      "right_lane_probability": 0.129292756319046,
      "left_lane_y": -2.296875,
      "right_lane_y": 1.630859375,
      "fcw": 0.0,
      "planned_accel": -0.4736168682575226,
      "plan_has_lead": 1.0
    },
    {
      "t": 1.0,
      "speed_mps": 2.110957145690918,
      "accel_mps2": 1.6985108852386477,
      "steer_deg": 5.875,
      "steer_torque": 1.0099999904632568,
      "brake": 0.0,
      "gas": 1.0,
      "steer_pressed": 1.0,
      "cruise": 0.0,
      "speed_kmh": 7.599445724487305,
      "cc_enabled": 0.0,
      "lat_active": 0.0,
      "long_active": 0.0,
      "left_blinker": 0.0,
      "right_blinker": 0.0,
      "requested_accel": 0.0,
      "cs_enabled": 0.0,
      "cs_active": 0.0,
      "curvature": -0.0021390081383287,
      "desired_curvature": -0.0021390081383287,
      "force_decel": 0.0,
      "curvature_difference": 0.0,
      "lead_valid": 1.0,
      "distance_m": 8.769062042236328,
      "relative_speed_mps": 0.178868293762207,
      "lead_y_m": 1.048828125,
      "ttc_s": null,
      "thw_s": 4.520567443790977,
      "thw_moving_s": null,
      "left_lane_probability": 0.0376086346805095,
      "right_lane_probability": 0.0684129074215889,
      "left_lane_y": -2.212890625,
      "right_lane_y": 1.5224609375,
      "fcw": 0.0,
      "planned_accel": 0.2575483322143554,
      "plan_has_lead": 1.0
    },
    {
      "t": 3.0,
      "speed_mps": 5.2341508865356445,
      "accel_mps2": 0.6674529314041138,
      "steer_deg": 43.375,
      "steer_torque": 1.6399999856948853,
      "brake": 0.0,
      "gas": 1.0,
      "steer_pressed": 1.0,
      "cruise": 0.0,
      "speed_kmh": 18.84294319152832,
      "cc_enabled": 0.0,
      "lat_active": 0.0,
      "long_active": 0.0,
      "left_blinker": 0.0,
      "right_blinker": 0.0,
      "requested_accel": 0.0,
      "cs_enabled": 0.0,
      "cs_active": 0.0,
      "curvature": -0.0112853432074189,
      "desired_curvature": -0.0112853432074189,
      "force_decel": 0.0,
      "curvature_difference": 0.0,
      "lead_valid": 1.0,
      "distance_m": 7.440937519073486,
      "relative_speed_mps": 0.101292610168457,
      "lead_y_m": 1.1865234375,
      "ttc_s": null,
      "thw_s": 1.4606993709495553,
      "thw_moving_s": 1.4606993709495553,
      "left_lane_probability": 0.0199851524084806,
      "right_lane_probability": 0.0242376346141099,
      "left_lane_y": -1.8955078125,
      "right_lane_y": 1.3564453125,
      "fcw": 0.0,
      "planned_accel": 0.4428778290748596,
      "plan_has_lead": 1.0
    },
    {
      "t": 5.0,
      "speed_mps": 6.8939208984375,
      "accel_mps2": 0.7697157263755798,
      "steer_deg": 141.0,
      "steer_torque": 2.2300000190734863,
      "brake": 0.0,
      "gas": 1.0,
      "steer_pressed": 1.0,
      "cruise": 0.0,
      "speed_kmh": 24.818115234375,
      "cc_enabled": 0.0,
      "lat_active": 0.0,
      "long_active": 0.0,
      "left_blinker": 0.0,
      "right_blinker": 0.0,
      "requested_accel": 0.0,
      "cs_enabled": 0.0,
      "cs_active": 0.0,
      "curvature": -0.0370162986218929,
      "desired_curvature": -0.0370162986218929,
      "force_decel": 0.0,
      "curvature_difference": 0.0,
      "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,
      "left_lane_probability": 0.0207250621169805,
      "right_lane_probability": 0.0280607398599386,
      "left_lane_y": -1.36328125,
      "right_lane_y": 2.083984375,
      "fcw": 0.0,
      "planned_accel": 0.4466442763805389,
      "plan_has_lead": 0.0
    }
  ],
  "sources": [
    {
      "file": "[local path omitted]/carState.csv",
      "bytes": 33524,
      "sha256": "374b1a5775f0f9a8ee0084581754335d1b75a0450ba276885acf2ed6f4f857ea"
    },
    {
      "file": "[local path omitted]/carControl.csv",
      "bytes": 23195,
      "sha256": "95603bf69b4774a62efa62ee9549980ba49a5c097d71a407c0e32520d7e80801"
    },
    {
      "file": "[local path omitted]/controlsState.csv",
      "bytes": 20506,
      "sha256": "0832151cafcc9425c988d4270452e7629647be0735d138a1b9620cadf9f62b01"
    },
    {
      "file": "[local path omitted]/radarState.csv",
      "bytes": 18105,
      "sha256": "b1733e7f99c865a1e9223995f279c5d7c8a513801a0cab7243828d37e95d6282"
    },
    {
      "file": "[local path omitted]/drivingModelData.csv",
      "bytes": 5191,
      "sha256": "3fc520427fca7a92d852012ff719c711c3c35322f804832069d609107e3e8199"
    },
    {
      "file": "[local path omitted]/longitudinalPlan.csv",
      "bytes": 30029,
      "sha256": "bd79afc7b18a1c3562ef3af12735a700b9c00e150c877b95ec6d7542c880943c"
    },
    {
      "file": "[local path omitted]/meta.json",
      "bytes": 705,
      "sha256": "6cfc547752fb9949f325abfe4e76d1a1cbc924f47194506dc0b7498ed8432aee"
    },
    {
      "file": "[local path omitted]/event_metrics.json",
      "bytes": 3973,
      "sha256": "48d767f8ba27c2771b0c2f6c7607f0b55b2724ff7241e18a34d3e7b4f581170f"
    },
    {
      "file": "[local path omitted]/takeover.mp4",
      "bytes": 1114049,
      "sha256": "424f5a646dffdb1f685f54c186495254edc277323812038cb6ccfa25c5ed964a"
    }
  ],
  "visual_review_status": "reviewed",
  "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。"
}