{
  "dataset": "ADAS-TO",
  "case_id": "ADAS_TO_RISK_0077",
  "vehicle_model": "HONDA_ODYSSEY_5G_MMR",
  "driver": "driver_278",
  "route": "route_002",
  "video_event_s": 10.0,
  "video_anchor_source": "meta.video_time_s - meta.clip_start_s",
  "old_primary_risk": "纵向碰撞/跟车风险",
  "old_risk_score": 48.0,
  "old_indicators": "TTC=2.19s; lane probability=0.200; post decel=-4.27m/s2",
  "old_action_label": "制动接管",
  "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": 1000,
  "alert_observed_range_s": [
    -9.997341246,
    -0.00743651
  ],
  "metrics": {
    "pre10": {
      "speed_kmh": {
        "min": 29.364168548583987,
        "max": 77.03308410644532,
        "mean": 60.47843866081238,
        "n": 1000,
        "min_t": -0.009540365,
        "max_t": -9.99926109
      },
      "accel_mps2": {
        "min": -3.5771732330322266,
        "max": -0.3926179111003876,
        "mean": -1.3076366948485374,
        "n": 1000,
        "min_t": -1.879084739,
        "max_t": -4.779067967
      },
      "steer_deg": {
        "min": -2.900000095367432,
        "max": 1.2999999523162842,
        "mean": 0.18360000888258218,
        "n": 1000,
        "min_t": -0.977130677,
        "max_t": -9.99926109
      },
      "brake": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.306,
        "n": 1000,
        "min_t": -9.99926109,
        "max_t": -3.059439686
      },
      "gas": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 1000,
        "min_t": -9.99926109,
        "max_t": -9.99926109
      },
      "steer_pressed": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.12,
        "n": 1000,
        "min_t": -9.99926109,
        "max_t": -2.119049322
      },
      "cruise": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 1000,
        "min_t": -9.99926109,
        "max_t": -9.99926109
      },
      "lat_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 1000,
        "min_t": -9.997201142,
        "max_t": -9.997201142
      },
      "long_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 1000,
        "min_t": -9.997201142,
        "max_t": -9.997201142
      },
      "left_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 1000,
        "min_t": -9.997201142,
        "max_t": -9.997201142
      },
      "right_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 1000,
        "min_t": -9.997201142,
        "max_t": -9.997201142
      },
      "curvature_difference": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 1000,
        "min_t": -9.997341246,
        "max_t": -9.997341246
      },
      "cs_enabled": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 1000,
        "min_t": -9.997341246,
        "max_t": -9.997341246
      },
      "cs_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 1000,
        "min_t": -9.997341246,
        "max_t": -9.997341246
      },
      "distance_m": {
        "min": 18.886249542236328,
        "max": 48.26124954223633,
        "mean": 33.63601516723633,
        "n": 200,
        "min_t": -0.047552865,
        "max_t": -3.648739686
      },
      "relative_speed_mps": {
        "min": -11.846808433532717,
        "max": -0.3278121948242187,
        "mean": -3.8489387607574463,
        "n": 200,
        "min_t": -1.89658677,
        "max_t": -6.247775518
      },
      "ttc_s": {
        "min": 2.3886977145482504,
        "max": 62.81930108666041,
        "mean": 16.627815310853208,
        "n": 195,
        "min_t": -0.047552865,
        "max_t": -7.196430049
      },
      "thw_s": {
        "min": 1.45093274044962,
        "max": 2.8718419185871644,
        "mean": 2.0585576723590764,
        "n": 200,
        "min_t": -4.896975883,
        "max_t": -3.648739686
      },
      "thw_moving_s": {
        "min": 1.45093274044962,
        "max": 2.8718419185871644,
        "mean": 2.0585576723590764,
        "n": 200,
        "min_t": -4.896975883,
        "max_t": -3.648739686
      },
      "lead_valid": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 200,
        "min_t": -9.997008069,
        "max_t": -9.997008069
      },
      "left_lane_probability": {
        "min": 0.1672186702489853,
        "max": 0.9443824291229248,
        "mean": 0.6239045426994562,
        "n": 200,
        "min_t": -5.353838279,
        "max_t": -0.352620677
      },
      "right_lane_probability": {
        "min": 0.8702667951583862,
        "max": 0.9898303151130676,
        "mean": 0.9670053628087044,
        "n": 200,
        "min_t": -1.102047395,
        "max_t": -1.952843593
      },
      "planned_accel": {
        "min": -3.4971718788146973,
        "max": -0.5176624655723572,
        "mean": -1.4172866371273996,
        "n": 200,
        "min_t": -1.897351197,
        "max_t": -6.197606873
      },
      "fcw": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 200,
        "min_t": -9.997778538,
        "max_t": -9.997778538
      },
      "ttc_s_threshold": {
        "points": 25,
        "max_run_s": 0.798,
        "first_t": -1.296760156
      },
      "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": 29.364168548583987,
        "max": 63.689955139160155,
        "mean": 50.99257440719605,
        "n": 500,
        "min_t": -0.009540365,
        "max_t": -4.999449581
      },
      "accel_mps2": {
        "min": -3.5771732330322266,
        "max": -0.3926179111003876,
        "mean": -1.8754282975792884,
        "n": 500,
        "min_t": -1.879084739,
        "max_t": -4.779067967
      },
      "steer_deg": {
        "min": -2.900000095367432,
        "max": 0.6000000238418579,
        "mean": -0.45959999673068525,
        "n": 500,
        "min_t": -0.977130677,
        "max_t": -2.75881427
      },
      "brake": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.612,
        "n": 500,
        "min_t": -4.999449581,
        "max_t": -3.059439686
      },
      "gas": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 500,
        "min_t": -4.999449581,
        "max_t": -4.999449581
      },
      "steer_pressed": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.24,
        "n": 500,
        "min_t": -4.999449581,
        "max_t": -2.119049322
      },
      "cruise": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 500,
        "min_t": -4.999449581,
        "max_t": -4.999449581
      },
      "lat_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 500,
        "min_t": -4.997361404,
        "max_t": -4.997361404
      },
      "long_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 500,
        "min_t": -4.997361404,
        "max_t": -4.997361404
      },
      "left_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 500,
        "min_t": -4.997361404,
        "max_t": -4.997361404
      },
      "right_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 500,
        "min_t": -4.997361404,
        "max_t": -4.997361404
      },
      "curvature_difference": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 500,
        "min_t": -4.99749979,
        "max_t": -4.99749979
      },
      "cs_enabled": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 500,
        "min_t": -4.99749979,
        "max_t": -4.99749979
      },
      "cs_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 500,
        "min_t": -4.99749979,
        "max_t": -4.99749979
      },
      "distance_m": {
        "min": 18.886249542236328,
        "max": 48.26124954223633,
        "mean": 34.233124542236325,
        "n": 100,
        "min_t": -0.047552865,
        "max_t": -3.648739686
      },
      "relative_speed_mps": {
        "min": -11.846808433532717,
        "max": -0.9207229614257812,
        "mean": -6.227985553741455,
        "n": 100,
        "min_t": -1.89658677,
        "max_t": -4.548707707
      },
      "ttc_s": {
        "min": 2.3886977145482504,
        "max": 28.52242275088871,
        "mean": 8.033039753784431,
        "n": 100,
        "min_t": -0.047552865,
        "max_t": -4.548707707
      },
      "thw_s": {
        "min": 1.45093274044962,
        "max": 2.8718419185871644,
        "mean": 2.4241280817737603,
        "n": 100,
        "min_t": -4.896975883,
        "max_t": -3.648739686
      },
      "thw_moving_s": {
        "min": 1.45093274044962,
        "max": 2.8718419185871644,
        "mean": 2.4241280817737603,
        "n": 100,
        "min_t": -4.896975883,
        "max_t": -3.648739686
      },
      "lead_valid": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 100,
        "min_t": -4.998181248,
        "max_t": -4.998181248
      },
      "left_lane_probability": {
        "min": 0.2004011571407318,
        "max": 0.9443824291229248,
        "mean": 0.5776043604314327,
        "n": 100,
        "min_t": -4.353909373,
        "max_t": -0.352620677
      },
      "right_lane_probability": {
        "min": 0.8702667951583862,
        "max": 0.9898303151130676,
        "mean": 0.9713522207736969,
        "n": 100,
        "min_t": -1.102047395,
        "max_t": -1.952843593
      },
      "planned_accel": {
        "min": -3.4971718788146973,
        "max": -0.7240497469902039,
        "mean": -2.0671285730600357,
        "n": 100,
        "min_t": -1.897351197,
        "max_t": -4.6971188
      },
      "fcw": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 100,
        "min_t": -4.998932915,
        "max_t": -4.998932915
      },
      "ttc_s_threshold": {
        "points": 25,
        "max_run_s": 0.798,
        "first_t": -1.296760156
      },
      "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": 29.364168548583987,
        "max": 49.44328651428222,
        "mean": 38.807158464431765,
        "n": 200,
        "min_t": -0.009540365,
        "max_t": -1.999385624
      },
      "accel_mps2": {
        "min": -3.5771732330322266,
        "max": -2.240654945373535,
        "mean": -2.862845106124878,
        "n": 200,
        "min_t": -1.879084739,
        "max_t": -0.128794583
      },
      "steer_deg": {
        "min": -2.900000095367432,
        "max": 0.4000000059604645,
        "mean": -1.8285000060126186,
        "n": 200,
        "min_t": -0.977130677,
        "max_t": -1.999385624
      },
      "brake": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 200,
        "min_t": -1.999385624,
        "max_t": -1.999385624
      },
      "gas": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 200,
        "min_t": -1.999385624,
        "max_t": -1.999385624
      },
      "steer_pressed": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.565,
        "n": 200,
        "min_t": -1.978344739,
        "max_t": -1.999385624
      },
      "cruise": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 200,
        "min_t": -1.999385624,
        "max_t": -1.999385624
      },
      "lat_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 200,
        "min_t": -1.997165364,
        "max_t": -1.997165364
      },
      "long_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 200,
        "min_t": -1.997165364,
        "max_t": -1.997165364
      },
      "left_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 200,
        "min_t": -1.997165364,
        "max_t": -1.997165364
      },
      "right_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 200,
        "min_t": -1.997165364,
        "max_t": -1.997165364
      },
      "curvature_difference": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 200,
        "min_t": -1.997296093,
        "max_t": -1.997296093
      },
      "cs_enabled": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 200,
        "min_t": -1.997296093,
        "max_t": -1.997296093
      },
      "cs_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 200,
        "min_t": -1.997296093,
        "max_t": -1.997296093
      },
      "distance_m": {
        "min": 18.886249542236328,
        "max": 37.91749954223633,
        "mean": 27.074530792236327,
        "n": 40,
        "min_t": -0.047552865,
        "max_t": -1.998462291
      },
      "relative_speed_mps": {
        "min": -11.846808433532717,
        "max": -6.796530723571777,
        "mean": -8.874150943756103,
        "n": 40,
        "min_t": -1.89658677,
        "max_t": -0.499851666
      },
      "ttc_s": {
        "min": 2.3886977145482504,
        "max": 4.207806774228133,
        "mean": 3.0463351536040584,
        "n": 40,
        "min_t": -0.047552865,
        "max_t": -1.695823281
      },
      "thw_s": {
        "min": 2.2722558375093294,
        "max": 2.785421760764109,
        "mean": 2.4757539505954016,
        "n": 40,
        "min_t": -0.19846776,
        "max_t": -1.848280728
      },
      "thw_moving_s": {
        "min": 2.2722558375093294,
        "max": 2.785421760764109,
        "mean": 2.4757539505954016,
        "n": 40,
        "min_t": -0.19846776,
        "max_t": -1.848280728
      },
      "lead_valid": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 40,
        "min_t": -1.998462291,
        "max_t": -1.998462291
      },
      "left_lane_probability": {
        "min": 0.7727022171020508,
        "max": 0.9443824291229248,
        "mean": 0.8515240013599396,
        "n": 40,
        "min_t": -1.603320156,
        "max_t": -0.352620677
      },
      "right_lane_probability": {
        "min": 0.8702667951583862,
        "max": 0.9898303151130676,
        "mean": 0.9599878251552582,
        "n": 40,
        "min_t": -1.102047395,
        "max_t": -1.952843593
      },
      "planned_accel": {
        "min": -3.4971718788146973,
        "max": -2.8099989891052246,
        "mean": -3.131988471746445,
        "n": 40,
        "min_t": -1.897351197,
        "max_t": -0.297742344
      },
      "fcw": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 40,
        "min_t": -1.999202812,
        "max_t": -1.999202812
      },
      "ttc_s_threshold": {
        "points": 25,
        "max_run_s": 0.798,
        "first_t": -1.296760156
      },
      "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": 24.307050132751467,
        "max": 30.9122314453125,
        "mean": 27.83365147999355,
        "n": 70,
        "min_t": 0.490404219,
        "max_t": -0.199029635
      },
      "accel_mps2": {
        "min": -3.025306463241577,
        "max": -2.240654945373535,
        "mean": -2.570909741946629,
        "n": 70,
        "min_t": 0.440964219,
        "max_t": -0.128794583
      },
      "steer_deg": {
        "min": -1.600000023841858,
        "max": 0.2000000029802322,
        "mean": -0.40714285831366265,
        "n": 70,
        "min_t": -0.199029635,
        "max_t": 0.250636094
      },
      "brake": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 70,
        "min_t": -0.199029635,
        "max_t": -0.199029635
      },
      "gas": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 70,
        "min_t": -0.199029635,
        "max_t": -0.199029635
      },
      "steer_pressed": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 70,
        "min_t": -0.199029635,
        "max_t": -0.199029635
      },
      "cruise": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.2857142857142857,
        "n": 70,
        "min_t": 0.0,
        "max_t": -0.199029635
      },
      "lat_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 70,
        "min_t": -0.196788229,
        "max_t": -0.196788229
      },
      "long_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 70,
        "min_t": -0.196788229,
        "max_t": -0.196788229
      },
      "left_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 70,
        "min_t": -0.196788229,
        "max_t": -0.196788229
      },
      "right_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 70,
        "min_t": -0.196788229,
        "max_t": -0.196788229
      },
      "curvature_difference": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 70,
        "min_t": -0.196915573,
        "max_t": -0.196915573
      },
      "cs_enabled": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 70,
        "min_t": -0.196915573,
        "max_t": -0.196915573
      },
      "cs_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 70,
        "min_t": -0.196915573,
        "max_t": -0.196915573
      },
      "distance_m": {
        "min": 13.690937042236328,
        "max": 19.511249542236328,
        "mean": 17.009017399379186,
        "n": 14,
        "min_t": 0.451432708,
        "max_t": -0.19846776
      },
      "relative_speed_mps": {
        "min": -7.963747978210449,
        "max": -6.7897562980651855,
        "mean": -7.545019251959665,
        "n": 14,
        "min_t": -0.148680781,
        "max_t": 0.451432708
      },
      "ttc_s": {
        "min": 2.0164106694282546,
        "max": 2.617273830124718,
        "mean": 2.2490270980512235,
        "n": 14,
        "min_t": 0.451432708,
        "max_t": -0.19846776
      },
      "thw_s": {
        "min": 1.9926361511498232,
        "max": 2.2894966234757645,
        "mean": 2.178438444330569,
        "n": 14,
        "min_t": 0.451432708,
        "max_t": -0.096849792
      },
      "thw_moving_s": {
        "min": 1.9926361511498232,
        "max": 2.2894966234757645,
        "mean": 2.178438444330569,
        "n": 14,
        "min_t": 0.451432708,
        "max_t": -0.096849792
      },
      "lead_valid": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 14,
        "min_t": -0.19846776,
        "max_t": -0.19846776
      },
      "left_lane_probability": {
        "min": 0.8210441470146179,
        "max": 0.8951566815376282,
        "mean": 0.8647763303347996,
        "n": 14,
        "min_t": 0.446136458,
        "max_t": -0.052869479
      },
      "right_lane_probability": {
        "min": 0.8433797955513,
        "max": 0.9498556852340698,
        "mean": 0.9045463332108089,
        "n": 14,
        "min_t": 0.446136458,
        "max_t": -0.153944687
      },
      "planned_accel": {
        "min": -3.004321813583374,
        "max": -2.854886054992676,
        "mean": -2.924517171723502,
        "n": 14,
        "min_t": 0.450686823,
        "max_t": 0.051035313
      },
      "fcw": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 14,
        "min_t": -0.199200521,
        "max_t": -0.199200521
      },
      "ttc_s_threshold": {
        "points": 14,
        "max_run_s": 0.6999,
        "first_t": -0.19846776
      },
      "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": -0.06564291492104497,
        "max": 29.276099395751952,
        "mean": 8.76466524269922,
        "n": 501,
        "min_t": 4.190796092,
        "max_t": 0.0
      },
      "accel_mps2": {
        "min": -4.273483753204346,
        "max": 1.0122778415679932,
        "mean": -1.6382567373402055,
        "n": 501,
        "min_t": 1.130433281,
        "max_t": 4.981496665
      },
      "steer_deg": {
        "min": -0.8999999761581421,
        "max": 1.399999976158142,
        "mean": 0.9351297521632826,
        "n": 501,
        "min_t": 0.0,
        "max_t": 1.070315937
      },
      "brake": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 501,
        "min_t": 0.0,
        "max_t": 0.0
      },
      "gas": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 501,
        "min_t": 0.0,
        "max_t": 0.0
      },
      "steer_pressed": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 501,
        "min_t": 0.0,
        "max_t": 0.0
      },
      "cruise": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 501,
        "min_t": 0.0,
        "max_t": 0.0
      },
      "lat_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 500,
        "min_t": 0.002151927,
        "max_t": 0.002151927
      },
      "long_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 500,
        "min_t": 0.002151927,
        "max_t": 0.002151927
      },
      "left_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 500,
        "min_t": 0.002151927,
        "max_t": 0.002151927
      },
      "right_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 500,
        "min_t": 0.002151927,
        "max_t": 0.002151927
      },
      "curvature_difference": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 500,
        "min_t": 0.002023385,
        "max_t": 0.002023385
      },
      "cs_enabled": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 500,
        "min_t": 0.002023385,
        "max_t": 0.002023385
      },
      "cs_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 500,
        "min_t": 0.002023385,
        "max_t": 0.002023385
      },
      "distance_m": {
        "min": 3.7104687690734863,
        "max": 18.495624542236328,
        "mean": 6.9501951932907104,
        "n": 100,
        "min_t": 4.202780311,
        "max_t": 0.001811823
      },
      "relative_speed_mps": {
        "min": -7.794562339782715,
        "max": 0.6946567296981812,
        "mean": -2.3704438011348246,
        "n": 100,
        "min_t": 0.051777969,
        "max_t": 4.903041821
      },
      "ttc_s": {
        "min": 1.9076279829968388,
        "max": 8.173465093781848,
        "mean": 2.8269506507180635,
        "n": 67,
        "min_t": 0.851240729,
        "max_t": 3.303191665
      },
      "thw_s": {
        "min": 1.9064901430521053,
        "max": 8.21118065609949,
        "mean": 2.953739358404837,
        "n": 68,
        "min_t": 0.751178906,
        "max_t": 3.351059374
      },
      "thw_moving_s": {
        "min": 1.9064901430521053,
        "max": 2.2743551814048133,
        "mean": 2.035268336049436,
        "n": 21,
        "min_t": 0.751178906,
        "max_t": 0.001811823
      },
      "lead_valid": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 100,
        "min_t": 0.001811823,
        "max_t": 0.001811823
      },
      "left_lane_probability": {
        "min": 0.5081017017364502,
        "max": 0.8914335370063782,
        "mean": 0.7821283340454102,
        "n": 100,
        "min_t": 3.996400676,
        "max_t": 0.097758698
      },
      "right_lane_probability": {
        "min": 0.3227393925189972,
        "max": 0.9281486868858336,
        "mean": 0.7192451092600822,
        "n": 100,
        "min_t": 3.996400676,
        "max_t": 0.097758698
      },
      "planned_accel": {
        "min": -3.019491910934448,
        "max": 0.816803514957428,
        "mean": -1.2228063664026558,
        "n": 100,
        "min_t": 0.502260781,
        "max_t": 4.150531509
      },
      "fcw": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 100,
        "min_t": 0.001061719,
        "max_t": 0.001061719
      },
      "ttc_s_threshold": {
        "points": 51,
        "max_run_s": 2.5498,
        "first_t": 0.001811823
      },
      "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": [
      -3.0594
    ],
    "driver_gas_on": [],
    "driver_steer_pressed_on": [
      -2.119,
      -2.0688,
      -2.0197,
      -1.9699
    ],
    "control_lat_active_off": [],
    "control_long_active_off": [],
    "cruise_off": [
      0.0
    ],
    "driver_flags_at_first_record": {
      "brake": 0.0,
      "gas": 0.0,
      "steer_pressed": 0.0
    }
  },
  "quality": {
    "radar_large_distance_jumps_s": [],
    "radar_target_loss_s": [],
    "video_precontext_s": 10,
    "source_sampling": {
      "vehicle": {
        "rows": 2001,
        "median_step_s": 0.009953490000000453,
        "max_gap_s": 0.014077915999999746,
        "start_relative_s": -9.99926109,
        "end_relative_s": 9.99993635
      },
      "control": {
        "rows": 2000,
        "median_step_s": 0.010038177000000204,
        "max_gap_s": 0.014888489000000504,
        "start_relative_s": -9.997201142,
        "end_relative_s": 9.992784059
      },
      "controller": {
        "rows": 2000,
        "median_step_s": 0.010031823000000273,
        "max_gap_s": 0.014870155999998858,
        "start_relative_s": -9.997341246,
        "end_relative_s": 9.992640986
      },
      "radar": {
        "rows": 400,
        "median_step_s": 0.0499955209999996,
        "max_gap_s": 0.05513046899999985,
        "start_relative_s": -9.997008069,
        "end_relative_s": 9.950787392
      },
      "model": {
        "rows": 400,
        "median_step_s": 0.05000984399999986,
        "max_gap_s": 0.05510932299999993,
        "start_relative_s": -9.953666402,
        "end_relative_s": 9.99692484
      },
      "plan": {
        "rows": 400,
        "median_step_s": 0.04999224000000013,
        "max_gap_s": 0.05512093799999995,
        "start_relative_s": -9.997778538,
        "end_relative_s": 9.950047028
      }
    },
    "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": 19.743799209594727,
      "accel_mps2": -0.8018967509269714,
      "steer_deg": 0.6000000238418579,
      "steer_torque": 238.0,
      "brake": 0.0,
      "gas": 0.0,
      "steer_pressed": 0.0,
      "cruise": 1.0,
      "speed_kmh": 71.07767715454102,
      "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": 8.22805377538316e-05,
      "desired_curvature": 8.22805377538316e-05,
      "force_decel": 0.0,
      "curvature_difference": 0.0,
      "lead_valid": 1.0,
      "distance_m": 33.38624954223633,
      "relative_speed_mps": -1.2968215942382812,
      "lead_y_m": -0.327880859375,
      "ttc_s": 25.74467427946134,
      "thw_s": 1.6888340481253754,
      "thw_moving_s": 1.6888340481253754,
      "left_lane_probability": 0.7360212802886963,
      "right_lane_probability": 0.9643886089324952,
      "left_lane_y": -1.7412109375,
      "right_lane_y": 1.7724609375,
      "fcw": 0.0,
      "planned_accel": -0.7857722640037537,
      "plan_has_lead": 1.0
    },
    {
      "t": -5.0,
      "speed_mps": 17.693620681762695,
      "accel_mps2": -0.6219087839126587,
      "steer_deg": 0.5,
      "steer_torque": -511.0,
      "brake": 0.0,
      "gas": 0.0,
      "steer_pressed": 0.0,
      "cruise": 1.0,
      "speed_kmh": 63.697034454345705,
      "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": 9.43544291658327e-05,
      "desired_curvature": 9.43544291658327e-05,
      "force_decel": 0.0,
      "curvature_difference": 0.0,
      "lead_valid": 1.0,
      "distance_m": 26.995624542236328,
      "relative_speed_mps": -1.4481582641601562,
      "lead_y_m": 0.2314453125,
      "ttc_s": 18.641349644123427,
      "thw_s": 1.5225438105048825,
      "thw_moving_s": 1.5225438105048825,
      "left_lane_probability": 0.2488991469144821,
      "right_lane_probability": 0.9740919470787048,
      "left_lane_y": -1.61328125,
      "right_lane_y": 1.654296875,
      "fcw": 0.0,
      "planned_accel": -0.6542653441429138,
      "plan_has_lead": 1.0
    },
    {
      "t": -3.0,
      "speed_mps": 16.26861000061035,
      "accel_mps2": -0.9478098154067992,
      "steer_deg": 0.4000000059604645,
      "steer_torque": -636.0,
      "brake": 1.0,
      "gas": 0.0,
      "steer_pressed": 0.0,
      "cruise": 1.0,
      "speed_kmh": 58.566996002197264,
      "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": 1.5468041283384082e-06,
      "desired_curvature": 1.5468041283384082e-06,
      "force_decel": 0.0,
      "curvature_difference": 0.0,
      "lead_valid": 1.0,
      "distance_m": 46.19874954223633,
      "relative_speed_mps": -5.878585815429688,
      "lead_y_m": -0.1763916015625,
      "ttc_s": 7.858820300109795,
      "thw_s": 2.8323443718769483,
      "thw_moving_s": 2.8323443718769483,
      "left_lane_probability": 0.4002804160118103,
      "right_lane_probability": 0.9771101474761964,
      "left_lane_y": -1.80078125,
      "right_lane_y": 1.693359375,
      "fcw": 0.0,
      "planned_accel": -1.2865241765975952,
      "plan_has_lead": 1.0
    },
    {
      "t": -1.0,
      "speed_mps": 10.738584518432615,
      "accel_mps2": -2.9203991889953613,
      "steer_deg": -2.799999952316284,
      "steer_torque": -1566.0,
      "brake": 1.0,
      "gas": 0.0,
      "steer_pressed": 1.0,
      "cruise": 1.0,
      "speed_kmh": 38.65890426635742,
      "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": 0.0009097757283598,
      "desired_curvature": 0.0009097757283598,
      "force_decel": 0.0,
      "curvature_difference": 0.0,
      "lead_valid": 1.0,
      "distance_m": 25.901874542236328,
      "relative_speed_mps": -9.26840114593506,
      "lead_y_m": -0.2763671875,
      "ttc_s": 2.794643232894207,
      "thw_s": 2.385292800811629,
      "thw_moving_s": 2.385292800811629,
      "left_lane_probability": 0.8480936288833618,
      "right_lane_probability": 0.9509603977203368,
      "left_lane_y": -1.5458984375,
      "right_lane_y": 1.9736328125,
      "fcw": 0.0,
      "planned_accel": -3.390061140060425,
      "plan_has_lead": 1.0
    },
    {
      "t": 0.0,
      "speed_mps": 8.13224983215332,
      "accel_mps2": -2.318815231323242,
      "steer_deg": -0.8999999761581421,
      "steer_torque": -85.0,
      "brake": 1.0,
      "gas": 0.0,
      "steer_pressed": 0.0,
      "cruise": 0.0,
      "speed_kmh": 29.276099395751952,
      "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": 0.0003966029908042,
      "desired_curvature": 0.0003966029908042,
      "force_decel": 0.0,
      "curvature_difference": 0.0,
      "lead_valid": 1.0,
      "distance_m": 18.886249542236328,
      "relative_speed_mps": -7.90650463104248,
      "lead_y_m": 0.02056884765625,
      "ttc_s": 2.3886977145482504,
      "thw_s": 2.2889867654031257,
      "thw_moving_s": 2.2889867654031257,
      "left_lane_probability": 0.8899121284484863,
      "right_lane_probability": 0.9368651509284972,
      "left_lane_y": -1.54296875,
      "right_lane_y": 1.9697265625,
      "fcw": 0.0,
      "planned_accel": -2.87567138671875,
      "plan_has_lead": 1.0
    },
    {
      "t": 1.0,
      "speed_mps": 5.06781816482544,
      "accel_mps2": -3.9242098331451416,
      "steer_deg": 0.800000011920929,
      "steer_torque": 355.0,
      "brake": 1.0,
      "gas": 0.0,
      "steer_pressed": 0.0,
      "cruise": 0.0,
      "speed_kmh": 18.244145393371586,
      "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": -6.021445369697176e-05,
      "desired_curvature": -6.021445369697176e-05,
      "force_decel": 0.0,
      "curvature_difference": 0.0,
      "lead_valid": 1.0,
      "distance_m": 10.409687042236328,
      "relative_speed_mps": -5.352538585662842,
      "lead_y_m": 0.0098419189453125,
      "ttc_s": 1.9448130780634485,
      "thw_s": 1.98588438718908,
      "thw_moving_s": 1.98588438718908,
      "left_lane_probability": 0.7576150894165039,
      "right_lane_probability": 0.7887459397315979,
      "left_lane_y": -1.5576171875,
      "right_lane_y": 1.9296875,
      "fcw": 0.0,
      "planned_accel": -2.794262647628784,
      "plan_has_lead": 1.0
    },
    {
      "t": 3.0,
      "speed_mps": 0.9087886810302734,
      "accel_mps2": -1.109973430633545,
      "steer_deg": 1.100000023841858,
      "steer_torque": -433.0,
      "brake": 1.0,
      "gas": 0.0,
      "steer_pressed": 0.0,
      "cruise": 0.0,
      "speed_kmh": 3.2716392517089843,
      "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": -0.0001588832383276,
      "desired_curvature": -0.0001588832383276,
      "force_decel": 0.0,
      "curvature_difference": 0.0,
      "lead_valid": 1.0,
      "distance_m": 4.304218769073486,
      "relative_speed_mps": -1.0173715353012085,
      "lead_y_m": -0.06103515625,
      "ttc_s": 4.23072458755115,
      "thw_s": 4.548118908561928,
      "thw_moving_s": null,
      "left_lane_probability": 0.8217604756355286,
      "right_lane_probability": 0.7362110018730164,
      "left_lane_y": -1.5478515625,
      "right_lane_y": 2.041015625,
      "fcw": 0.0,
      "planned_accel": -0.7791604995727539,
      "plan_has_lead": 1.0
    },
    {
      "t": 5.0,
      "speed_mps": 0.2608183622360229,
      "accel_mps2": 0.9797960519790648,
      "steer_deg": 1.2000000476837158,
      "steer_torque": 296.0,
      "brake": 1.0,
      "gas": 0.0,
      "steer_pressed": 0.0,
      "cruise": 0.0,
      "speed_kmh": 0.9389461040496825,
      "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": -0.0001898871123557,
      "desired_curvature": -0.0001898871123557,
      "force_decel": 0.0,
      "curvature_difference": 0.0,
      "lead_valid": 1.0,
      "distance_m": 4.136250019073486,
      "relative_speed_mps": 0.5453989505767822,
      "lead_y_m": -0.0256195068359375,
      "ttc_s": null,
      "thw_s": null,
      "thw_moving_s": null,
      "left_lane_probability": 0.849597156047821,
      "right_lane_probability": 0.6851073503494263,
      "left_lane_y": -1.5498046875,
      "right_lane_y": 2.080078125,
      "fcw": 0.0,
      "planned_accel": 0.5511842370033264,
      "plan_has_lead": 1.0
    }
  ],
  "sources": [
    {
      "file": "[local path omitted]/carState.csv",
      "bytes": 337268,
      "sha256": "778fd19f0f14fd95833c73206ea51f10d780779ca68cfab259b71e537cab11ca"
    },
    {
      "file": "[local path omitted]/carControl.csv",
      "bytes": 221994,
      "sha256": "24ac1ea8a7c60346eef4daa47a3a5c1b7dfb24e6417f2ee66d6f59c543c9571f"
    },
    {
      "file": "[local path omitted]/controlsState.csv",
      "bytes": 207902,
      "sha256": "5586f118efed97dd660728c13932373a64f8bb7006e7cb8386379aa8c8ce9f2d"
    },
    {
      "file": "[local path omitted]/radarState.csv",
      "bytes": 104524,
      "sha256": "2a513bb17911cae89f8a6d726e70850f7a9da21fa1acd93a97ccfb200ebacdd9"
    },
    {
      "file": "[local path omitted]/drivingModelData.csv",
      "bytes": 49452,
      "sha256": "e46f8835db605f0a1fb3ec62473098e23a5133f387fc5a405a34ac6113d18ef3"
    },
    {
      "file": "[local path omitted]/longitudinalPlan.csv",
      "bytes": 302110,
      "sha256": "f878075d21541547bc213b102927a70f1209f437d2c0dc3a5f8fde44474fd321"
    },
    {
      "file": "[local path omitted]/meta.json",
      "bytes": 493,
      "sha256": "b92cd41e39484d38b640c4f2859d8bab35b5e1ae4b708d6ff02b0011892b1252"
    },
    {
      "file": "[local path omitted]/event_metrics.json",
      "bytes": 3659,
      "sha256": "44b75c67cc727bd546790dbeb41f19f15588fcb57e599fd1e10f73c767b952f2"
    },
    {
      "file": "[local path omitted]/takeover.mp4",
      "bytes": 1851767,
      "sha256": "b828a9ed12b230739033c3eaaaf77c0abdb2acf94201e5dee29cdf78b36c90c2"
    }
  ],
  "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。"
}