{
  "dataset": "ADAS-TO",
  "case_id": "ADAS_TO_RISK_0132",
  "vehicle_model": "HYUNDAI_KONA_ELECTRIC_2019",
  "driver": "driver_316",
  "route": "route_005",
  "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": 42.0,
  "old_indicators": "TTC=1.99s; post decel=-4.04m/s2",
  "old_action_label": "转向接管",
  "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": [
    -9.991404062,
    -0.00039025
  ],
  "metrics": {
    "pre10": {
      "speed_kmh": {
        "min": 37.10091590881348,
        "max": 43.187369155883786,
        "mean": 40.14400625486631,
        "n": 999,
        "min_t": -0.012003432,
        "max_t": -9.99109657
      },
      "accel_mps2": {
        "min": -0.3680464923381805,
        "max": 0.058407574892044,
        "mean": -0.16810870557732474,
        "n": 999,
        "min_t": -7.799723523,
        "max_t": -3.92103021
      },
      "steer_deg": {
        "min": -3.200000047683716,
        "max": -1.0,
        "mean": -2.166666659268292,
        "n": 999,
        "min_t": -8.830844675,
        "max_t": -1.731049314
      },
      "brake": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.002002002002002002,
        "n": 999,
        "min_t": -9.99109657,
        "max_t": -0.022124413
      },
      "gas": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 999,
        "min_t": -9.99109657,
        "max_t": -9.99109657
      },
      "steer_pressed": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.03203203203203203,
        "n": 999,
        "min_t": -9.99109657,
        "max_t": -0.451415324
      },
      "cruise": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 999,
        "min_t": -9.99109657,
        "max_t": -9.99109657
      },
      "lat_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.998,
        "n": 1000,
        "min_t": -0.021920877,
        "max_t": -9.999910659
      },
      "long_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.998,
        "n": 1000,
        "min_t": -0.021920877,
        "max_t": -9.999910659
      },
      "left_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 1000,
        "min_t": -9.999910659,
        "max_t": -9.999910659
      },
      "right_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 1000,
        "min_t": -9.999910659,
        "max_t": -9.999910659
      },
      "curvature_difference": {
        "min": -0.0008407238346989,
        "max": 0.0008679907477926,
        "mean": 2.8183195577177213e-05,
        "n": 1000,
        "min_t": -4.980417176,
        "max_t": -2.251598534
      },
      "cs_enabled": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.997,
        "n": 1000,
        "min_t": -0.022580599,
        "max_t": -9.991404062
      },
      "cs_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.997,
        "n": 1000,
        "min_t": -0.022580599,
        "max_t": -9.991404062
      },
      "distance_m": {
        "min": 21.22757911682129,
        "max": 48.04973983764648,
        "mean": 38.88483900926551,
        "n": 196,
        "min_t": -0.043906544,
        "max_t": -3.095256791
      },
      "relative_speed_mps": {
        "min": -9.73345184326172,
        "max": 2.709967613220215,
        "mean": -1.3513609779124358,
        "n": 196,
        "min_t": -0.19637021,
        "max_t": -4.720252042
      },
      "ttc_s": {
        "min": 2.300121615794326,
        "max": 74.66579889158658,
        "mean": 9.381783675195905,
        "n": 54,
        "min_t": -0.043906544,
        "max_t": -2.688447316
      },
      "thw_s": {
        "min": 2.05760723047089,
        "max": 4.396743792948025,
        "mean": 3.4855323786936894,
        "n": 196,
        "min_t": -0.043906544,
        "max_t": -3.095256791
      },
      "thw_moving_s": {
        "min": 2.05760723047089,
        "max": 4.396743792948025,
        "mean": 3.4855323786936894,
        "n": 196,
        "min_t": -0.043906544,
        "max_t": -3.095256791
      },
      "lead_valid": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 196,
        "min_t": -9.963449438,
        "max_t": -9.963449438
      },
      "left_lane_probability": {
        "min": null,
        "max": null,
        "mean": null,
        "n": 0,
        "min_t": null,
        "max_t": null
      },
      "right_lane_probability": {
        "min": null,
        "max": null,
        "mean": null,
        "n": 0,
        "min_t": null,
        "max_t": null
      },
      "planned_accel": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 200,
        "min_t": -9.983415159,
        "max_t": -9.983415159
      },
      "fcw": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 200,
        "min_t": -9.983415159,
        "max_t": -9.983415159
      },
      "ttc_s_threshold": {
        "points": 13,
        "max_run_s": 0.6602,
        "first_t": -0.653339918
      },
      "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": 37.10091590881348,
        "max": 39.76400184631348,
        "mean": 38.80257029571533,
        "n": 500,
        "min_t": -0.012003432,
        "max_t": -4.999952491
      },
      "accel_mps2": {
        "min": -0.3466962277889251,
        "max": 0.058407574892044,
        "mean": -0.14689290464430815,
        "n": 500,
        "min_t": -1.600201012,
        "max_t": -3.92103021
      },
      "steer_deg": {
        "min": -2.799999952316284,
        "max": -1.0,
        "mean": -1.993599993944168,
        "n": 500,
        "min_t": -4.579759829,
        "max_t": -1.731049314
      },
      "brake": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.004,
        "n": 500,
        "min_t": -4.999952491,
        "max_t": -0.022124413
      },
      "gas": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 500,
        "min_t": -4.999952491,
        "max_t": -4.999952491
      },
      "steer_pressed": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.064,
        "n": 500,
        "min_t": -4.999952491,
        "max_t": -0.451415324
      },
      "cruise": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 500,
        "min_t": -4.999952491,
        "max_t": -4.999952491
      },
      "lat_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.996,
        "n": 500,
        "min_t": -0.021920877,
        "max_t": -4.999761871
      },
      "long_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.996,
        "n": 500,
        "min_t": -0.021920877,
        "max_t": -4.999761871
      },
      "left_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 500,
        "min_t": -4.999761871,
        "max_t": -4.999761871
      },
      "right_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 500,
        "min_t": -4.999761871,
        "max_t": -4.999761871
      },
      "curvature_difference": {
        "min": -0.0008407238346989,
        "max": 0.0008679907477926,
        "mean": 7.407725116762118e-05,
        "n": 500,
        "min_t": -4.980417176,
        "max_t": -2.251598534
      },
      "cs_enabled": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.994,
        "n": 500,
        "min_t": -0.022580599,
        "max_t": -4.991493757
      },
      "cs_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.994,
        "n": 500,
        "min_t": -0.022580599,
        "max_t": -4.991493757
      },
      "distance_m": {
        "min": 21.22757911682129,
        "max": 48.04973983764648,
        "mean": 38.36182117462158,
        "n": 98,
        "min_t": -0.043906544,
        "max_t": -3.095256791
      },
      "relative_speed_mps": {
        "min": -9.73345184326172,
        "max": 2.709967613220215,
        "mean": -3.1670515683232523,
        "n": 98,
        "min_t": -0.19637021,
        "max_t": -4.720252042
      },
      "ttc_s": {
        "min": 2.300121615794326,
        "max": 74.66579889158658,
        "mean": 7.206273586665495,
        "n": 52,
        "min_t": -0.043906544,
        "max_t": -2.688447316
      },
      "thw_s": {
        "min": 2.05760723047089,
        "max": 4.396743792948025,
        "mean": 3.547953638541941,
        "n": 98,
        "min_t": -0.043906544,
        "max_t": -3.095256791
      },
      "thw_moving_s": {
        "min": 2.05760723047089,
        "max": 4.396743792948025,
        "mean": 3.547953638541941,
        "n": 98,
        "min_t": -0.043906544,
        "max_t": -3.095256791
      },
      "lead_valid": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 98,
        "min_t": -4.97377855,
        "max_t": -4.97377855
      },
      "left_lane_probability": {
        "min": null,
        "max": null,
        "mean": null,
        "n": 0,
        "min_t": null,
        "max_t": null
      },
      "right_lane_probability": {
        "min": null,
        "max": null,
        "mean": null,
        "n": 0,
        "min_t": null,
        "max_t": null
      },
      "planned_accel": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 100,
        "min_t": -4.982473163,
        "max_t": -4.982473163
      },
      "fcw": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 100,
        "min_t": -4.982473163,
        "max_t": -4.982473163
      },
      "ttc_s_threshold": {
        "points": 13,
        "max_run_s": 0.6602,
        "first_t": -0.653339918
      },
      "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": 37.10091590881348,
        "max": 38.79131355285644,
        "mean": 37.9419488456381,
        "n": 199,
        "min_t": -0.012003432,
        "max_t": -1.990936382
      },
      "accel_mps2": {
        "min": -0.3466962277889251,
        "max": -0.1358839124441146,
        "mean": -0.23656373617038057,
        "n": 199,
        "min_t": -1.600201012,
        "max_t": -0.160349395
      },
      "steer_deg": {
        "min": -2.299999952316284,
        "max": -1.0,
        "mean": -1.3221105564778775,
        "n": 199,
        "min_t": -0.051602017,
        "max_t": -1.731049314
      },
      "brake": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.010050251256281407,
        "n": 199,
        "min_t": -1.990936382,
        "max_t": -0.022124413
      },
      "gas": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 199,
        "min_t": -1.990936382,
        "max_t": -1.990936382
      },
      "steer_pressed": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.16080402010050251,
        "n": 199,
        "min_t": -1.990936382,
        "max_t": -0.451415324
      },
      "cruise": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 199,
        "min_t": -1.990936382,
        "max_t": -1.990936382
      },
      "lat_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.99,
        "n": 200,
        "min_t": -0.021920877,
        "max_t": -1.999976819
      },
      "long_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.99,
        "n": 200,
        "min_t": -0.021920877,
        "max_t": -1.999976819
      },
      "left_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 200,
        "min_t": -1.999976819,
        "max_t": -1.999976819
      },
      "right_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 200,
        "min_t": -1.999976819,
        "max_t": -1.999976819
      },
      "curvature_difference": {
        "min": -0.00035636217216954586,
        "max": 0.00043404387542970004,
        "mean": 0.00010050878656442665,
        "n": 200,
        "min_t": -0.580829653,
        "max_t": -1.85145758
      },
      "cs_enabled": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.985,
        "n": 200,
        "min_t": -0.022580599,
        "max_t": -1.991402307
      },
      "cs_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.985,
        "n": 200,
        "min_t": -0.022580599,
        "max_t": -1.991402307
      },
      "distance_m": {
        "min": 21.22757911682129,
        "max": 41.17845153808594,
        "mean": 31.307223833524265,
        "n": 39,
        "min_t": -0.043906544,
        "max_t": -1.973592623
      },
      "relative_speed_mps": {
        "min": -9.73345184326172,
        "max": -4.541937351226807,
        "mean": -8.69855067668817,
        "n": 39,
        "min_t": -0.19637021,
        "max_t": -1.720107104
      },
      "ttc_s": {
        "min": 2.300121615794326,
        "max": 8.753333313036155,
        "mean": 3.8493912002501203,
        "n": 39,
        "min_t": -0.043906544,
        "max_t": -1.720107104
      },
      "thw_s": {
        "min": 2.05760723047089,
        "max": 3.823085649807676,
        "mean": 2.9628022884613983,
        "n": 39,
        "min_t": -0.043906544,
        "max_t": -1.973592623
      },
      "thw_moving_s": {
        "min": 2.05760723047089,
        "max": 3.823085649807676,
        "mean": 2.9628022884613983,
        "n": 39,
        "min_t": -0.043906544,
        "max_t": -1.973592623
      },
      "lead_valid": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 39,
        "min_t": -1.973592623,
        "max_t": -1.973592623
      },
      "left_lane_probability": {
        "min": null,
        "max": null,
        "mean": null,
        "n": 0,
        "min_t": null,
        "max_t": null
      },
      "right_lane_probability": {
        "min": null,
        "max": null,
        "mean": null,
        "n": 0,
        "min_t": null,
        "max_t": null
      },
      "planned_accel": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 40,
        "min_t": -1.982495043,
        "max_t": -1.982495043
      },
      "fcw": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 40,
        "min_t": -1.982495043,
        "max_t": -1.982495043
      },
      "ttc_s_threshold": {
        "points": 13,
        "max_run_s": 0.6602,
        "first_t": -0.653339918
      },
      "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": 32.9700668334961,
        "max": 37.271945571899415,
        "mean": 36.16767167642084,
        "n": 71,
        "min_t": 0.498600427,
        "max_t": -0.199463045
      },
      "accel_mps2": {
        "min": -3.686559200286865,
        "max": -0.1358839124441146,
        "mean": -1.213554088498505,
        "n": 71,
        "min_t": 0.488687096,
        "max_t": -0.160349395
      },
      "steer_deg": {
        "min": -3.5999999046325684,
        "max": -2.0999999046325684,
        "mean": -2.9549295700771707,
        "n": 71,
        "min_t": 0.218162653,
        "max_t": -0.18165935
      },
      "brake": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.7464788732394366,
        "n": 71,
        "min_t": -0.199463045,
        "max_t": -0.022124413
      },
      "gas": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 71,
        "min_t": -0.199463045,
        "max_t": -0.199463045
      },
      "steer_pressed": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.36619718309859156,
        "n": 71,
        "min_t": 0.05785982,
        "max_t": -0.199463045
      },
      "cruise": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.28169014084507044,
        "n": 71,
        "min_t": 0.0,
        "max_t": -0.199463045
      },
      "lat_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.2535211267605634,
        "n": 71,
        "min_t": -0.021920877,
        "max_t": -0.199285966
      },
      "long_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.2535211267605634,
        "n": 71,
        "min_t": -0.021920877,
        "max_t": -0.199285966
      },
      "left_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 71,
        "min_t": -0.199285966,
        "max_t": -0.199285966
      },
      "right_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 71,
        "min_t": -0.199285966,
        "max_t": -0.199285966
      },
      "curvature_difference": {
        "min": 8.628253090135665e-05,
        "max": 0.0008364521199836846,
        "mean": 0.00048561594167355836,
        "n": 71,
        "min_t": -0.190911918,
        "max_t": 0.457566723
      },
      "cs_enabled": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.2535211267605634,
        "n": 71,
        "min_t": -0.022580599,
        "max_t": -0.199848556
      },
      "cs_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.2535211267605634,
        "n": 71,
        "min_t": -0.022580599,
        "max_t": -0.199848556
      },
      "distance_m": {
        "min": 15.92605209350586,
        "max": 23.11487197875977,
        "mean": 19.413266045706614,
        "n": 14,
        "min_t": 0.467297142,
        "max_t": -0.19637021
      },
      "relative_speed_mps": {
        "min": -9.73345184326172,
        "max": -9.058100700378418,
        "mean": -9.267307009015765,
        "n": 14,
        "min_t": -0.19637021,
        "max_t": 0.467297142
      },
      "ttc_s": {
        "min": 1.7433516401995806,
        "max": 2.4990697700053004,
        "mean": 2.0950929784979575,
        "n": 14,
        "min_t": 0.41426985,
        "max_t": -0.145509007
      },
      "thw_s": {
        "min": 1.7049540922804793,
        "max": 2.2326051899547923,
        "mean": 1.922073026306758,
        "n": 14,
        "min_t": 0.41426985,
        "max_t": -0.19637021
      },
      "thw_moving_s": {
        "min": 1.7049540922804793,
        "max": 2.2326051899547923,
        "mean": 1.922073026306758,
        "n": 14,
        "min_t": 0.41426985,
        "max_t": -0.19637021
      },
      "lead_valid": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 14,
        "min_t": -0.19637021,
        "max_t": -0.19637021
      },
      "left_lane_probability": {
        "min": null,
        "max": null,
        "mean": null,
        "n": 0,
        "min_t": null,
        "max_t": null
      },
      "right_lane_probability": {
        "min": null,
        "max": null,
        "mean": null,
        "n": 0,
        "min_t": null,
        "max_t": null
      },
      "planned_accel": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 14,
        "min_t": -0.184404955,
        "max_t": -0.184404955
      },
      "fcw": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 14,
        "min_t": -0.184404955,
        "max_t": -0.184404955
      },
      "ttc_s_threshold": {
        "points": 14,
        "max_run_s": 0.7145,
        "first_t": -0.19637021
      },
      "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": 0.02755153030157064,
        "max": 37.094780731201176,
        "mean": 11.692472902155611,
        "n": 501,
        "min_t": 4.558955225,
        "max_t": 0.0
      },
      "accel_mps2": {
        "min": -4.042934894561768,
        "max": 0.0019553592428565,
        "mean": -2.060030189041083,
        "n": 501,
        "min_t": 2.268421786,
        "max_t": 4.77741636
      },
      "steer_deg": {
        "min": -3.799999952316284,
        "max": -2.299999952316284,
        "mean": -3.56467059272492,
        "n": 501,
        "min_t": 3.919312652,
        "max_t": 0.0
      },
      "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": 1.0,
        "mean": 0.011976047904191617,
        "n": 501,
        "min_t": 0.05785982,
        "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": 501,
        "min_t": 0.000210359,
        "max_t": 0.000210359
      },
      "long_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 501,
        "min_t": 0.000210359,
        "max_t": 0.000210359
      },
      "left_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 501,
        "min_t": 0.000210359,
        "max_t": 0.000210359
      },
      "right_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 501,
        "min_t": 0.000210359,
        "max_t": 0.000210359
      },
      "curvature_difference": {
        "min": 0.00019464941033212925,
        "max": 0.0022314119851215997,
        "mean": 0.00123381756701328,
        "n": 500,
        "min_t": 0.008465713,
        "max_t": 2.857914021
      },
      "cs_enabled": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 500,
        "min_t": 0.008465713,
        "max_t": 0.008465713
      },
      "cs_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 500,
        "min_t": 0.008465713,
        "max_t": 0.008465713
      },
      "distance_m": {
        "min": 2.0380101203918457,
        "max": 20.697547912597656,
        "mean": 5.9943067136437005,
        "n": 99,
        "min_t": 4.99014223,
        "max_t": 0.00687487
      },
      "relative_speed_mps": {
        "min": -9.442896842956545,
        "max": 0.2030982971191406,
        "mean": -3.4408083540020566,
        "n": 99,
        "min_t": 0.363365887,
        "max_t": 3.260163409
      },
      "ttc_s": {
        "min": 0.7326355056964425,
        "max": 4.045412221463647,
        "mean": 1.3922463148594995,
        "n": 58,
        "min_t": 2.142092166,
        "max_t": 2.904124515
      },
      "thw_s": {
        "min": 0.9331741129739215,
        "max": 4.050865893730536,
        "mean": 1.5566146595721613,
        "n": 57,
        "min_t": 1.888091765,
        "max_t": 2.853329143
      },
      "thw_moving_s": {
        "min": 1.1095553738439565,
        "max": 2.0086699804287753,
        "mean": 1.5169290615799347,
        "n": 32,
        "min_t": 1.583752334,
        "max_t": 0.00687487
      },
      "lead_valid": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 99,
        "min_t": 0.00687487,
        "max_t": 0.00687487
      },
      "left_lane_probability": {
        "min": null,
        "max": null,
        "mean": null,
        "n": 0,
        "min_t": null,
        "max_t": null
      },
      "right_lane_probability": {
        "min": null,
        "max": null,
        "mean": null,
        "n": 0,
        "min_t": null,
        "max_t": null
      },
      "planned_accel": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 100,
        "min_t": 0.017293396,
        "max_t": 0.017293396
      },
      "fcw": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 100,
        "min_t": 0.017293396,
        "max_t": 0.017293396
      },
      "ttc_s_threshold": {
        "points": 57,
        "max_run_s": 2.8972,
        "first_t": 0.00687487
      },
      "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": [
      -0.0221
    ],
    "driver_gas_on": [],
    "driver_steer_pressed_on": [
      -0.4514,
      -0.3311,
      -0.3118,
      -0.2501
    ],
    "control_lat_active_off": [
      -0.0219
    ],
    "control_long_active_off": [
      -0.0219
    ],
    "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": 2000,
        "median_step_s": 0.009940725999999955,
        "max_gap_s": 0.013375427000001494,
        "start_relative_s": -9.99109657,
        "end_relative_s": 9.999295832
      },
      "control": {
        "rows": 2001,
        "median_step_s": 0.009945543999999806,
        "max_gap_s": 0.013400738000001411,
        "start_relative_s": -9.999910659,
        "end_relative_s": 9.999488899
      },
      "controller": {
        "rows": 2000,
        "median_step_s": 0.009963277999999853,
        "max_gap_s": 0.013295741000000305,
        "start_relative_s": -9.991404062,
        "end_relative_s": 9.998932768
      },
      "radar": {
        "rows": 393,
        "median_step_s": 0.05075953950000023,
        "max_gap_s": 0.055305668999999114,
        "start_relative_s": -9.963449438,
        "end_relative_s": 9.977032359
      },
      "model": {
        "rows": 0,
        "median_step_s": null,
        "max_gap_s": null,
        "start_relative_s": null,
        "end_relative_s": null
      },
      "plan": {
        "rows": 400,
        "median_step_s": 0.04993247800000056,
        "max_gap_s": 0.05467620699999998,
        "start_relative_s": -9.983415159,
        "end_relative_s": 9.965557507
      }
    },
    "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": 11.615289688110352,
      "accel_mps2": -0.3397271037101745,
      "steer_deg": -3.0,
      "steer_torque": -24.0,
      "brake": 0.0,
      "gas": 0.0,
      "steer_pressed": 0.0,
      "cruise": 1.0,
      "speed_kmh": 41.815042877197264,
      "cc_enabled": 1.0,
      "lat_active": 1.0,
      "long_active": 1.0,
      "left_blinker": 0.0,
      "right_blinker": 0.0,
      "requested_accel": -0.0386605411767959,
      "cs_enabled": 1.0,
      "cs_active": 1.0,
      "curvature": 0.0004103921819478,
      "desired_curvature": 0.0003780753177125,
      "force_decel": 0.0,
      "curvature_difference": 3.231686423530003e-05,
      "lead_valid": 1.0,
      "distance_m": 38.8979606628418,
      "relative_speed_mps": 0.2263698577880859,
      "lead_y_m": 0.1033606231212616,
      "ttc_s": null,
      "thw_s": 3.346576721116118,
      "thw_moving_s": 3.346576721116118,
      "left_lane_probability": null,
      "right_lane_probability": null,
      "left_lane_y": null,
      "right_lane_y": null,
      "fcw": 0.0,
      "planned_accel": 0.0,
      "plan_has_lead": 1.0
    },
    {
      "t": -5.0,
      "speed_mps": 11.049172401428224,
      "accel_mps2": -0.1553888767957687,
      "steer_deg": -1.600000023841858,
      "steer_torque": -17.0,
      "brake": 0.0,
      "gas": 0.0,
      "steer_pressed": 0.0,
      "cruise": 1.0,
      "speed_kmh": 39.77702064514161,
      "cc_enabled": 1.0,
      "lat_active": 1.0,
      "long_active": 1.0,
      "left_blinker": 0.0,
      "right_blinker": 0.0,
      "requested_accel": 0.1361989378929138,
      "cs_enabled": 1.0,
      "cs_active": 1.0,
      "curvature": -0.0002964785380754,
      "desired_curvature": 0.0004261297581251,
      "force_decel": 0.0,
      "curvature_difference": -0.0007226082962005,
      "lead_valid": 1.0,
      "distance_m": 40.19425964355469,
      "relative_speed_mps": 2.3413314819335938,
      "lead_y_m": -0.0112903416156768,
      "ttc_s": null,
      "thw_s": 3.6365463680469934,
      "thw_moving_s": 3.6365463680469934,
      "left_lane_probability": null,
      "right_lane_probability": null,
      "left_lane_y": null,
      "right_lane_y": null,
      "fcw": 0.0,
      "planned_accel": 0.0,
      "plan_has_lead": 1.0
    },
    {
      "t": -3.0,
      "speed_mps": 10.93055248260498,
      "accel_mps2": -0.008551450446248,
      "steer_deg": -2.5999999046325684,
      "steer_torque": -33.0,
      "brake": 0.0,
      "gas": 0.0,
      "steer_pressed": 0.0,
      "cruise": 1.0,
      "speed_kmh": 39.34998893737793,
      "cc_enabled": 1.0,
      "lat_active": 1.0,
      "long_active": 1.0,
      "left_blinker": 0.0,
      "right_blinker": 0.0,
      "requested_accel": -0.0148248672485351,
      "cs_enabled": 1.0,
      "cs_active": 1.0,
      "curvature": 0.0002555206301622,
      "desired_curvature": -0.0001595306530361,
      "force_decel": 0.0,
      "curvature_difference": 0.00041505128319830004,
      "lead_valid": 1.0,
      "distance_m": 47.09329605102539,
      "relative_speed_mps": 0.5213336944580078,
      "lead_y_m": 0.2377287149429321,
      "ttc_s": null,
      "thw_s": 4.308266276364748,
      "thw_moving_s": 4.308266276364748,
      "left_lane_probability": null,
      "right_lane_probability": null,
      "left_lane_y": null,
      "right_lane_y": null,
      "fcw": 0.0,
      "planned_accel": 0.0,
      "plan_has_lead": 1.0
    },
    {
      "t": -1.0,
      "speed_mps": 10.542179107666016,
      "accel_mps2": -0.2020404040813446,
      "steer_deg": -1.0,
      "steer_torque": -76.0,
      "brake": 0.0,
      "gas": 0.0,
      "steer_pressed": 0.0,
      "cruise": 1.0,
      "speed_kmh": 37.95184478759766,
      "cc_enabled": 1.0,
      "lat_active": 1.0,
      "long_active": 1.0,
      "left_blinker": 0.0,
      "right_blinker": 0.0,
      "requested_accel": -2.6514575481414795,
      "cs_enabled": 1.0,
      "cs_active": 1.0,
      "curvature": -0.0004967863787896,
      "desired_curvature": -0.0005561789148487,
      "force_decel": 0.0,
      "curvature_difference": 5.939253605910001e-05,
      "lead_valid": 1.0,
      "distance_m": 30.635066986083984,
      "relative_speed_mps": -9.434588432312012,
      "lead_y_m": -0.1390633136034011,
      "ttc_s": 3.2471015779727708,
      "thw_s": 2.905952049686474,
      "thw_moving_s": 2.905952049686474,
      "left_lane_probability": null,
      "right_lane_probability": null,
      "left_lane_y": null,
      "right_lane_y": null,
      "fcw": 0.0,
      "planned_accel": 0.0,
      "plan_has_lead": 1.0
    },
    {
      "t": 0.0,
      "speed_mps": 10.304105758666992,
      "accel_mps2": -0.2416416406631469,
      "steer_deg": -2.299999952316284,
      "steer_torque": -165.0,
      "brake": 1.0,
      "gas": 0.0,
      "steer_pressed": 1.0,
      "cruise": 0.0,
      "speed_kmh": 37.094780731201176,
      "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": 0.0001673325896263,
      "desired_curvature": -2.731814674916677e-05,
      "force_decel": 0.0,
      "curvature_difference": 0.00019465073637546678,
      "lead_valid": 1.0,
      "distance_m": 21.22757911682129,
      "relative_speed_mps": -9.228894233703612,
      "lead_y_m": -0.0844444334506988,
      "ttc_s": 2.300121615794326,
      "thw_s": 2.05760723047089,
      "thw_moving_s": 2.05760723047089,
      "left_lane_probability": null,
      "right_lane_probability": null,
      "left_lane_y": null,
      "right_lane_y": null,
      "fcw": 0.0,
      "planned_accel": 0.0,
      "plan_has_lead": 1.0
    },
    {
      "t": 1.0,
      "speed_mps": 7.313712120056152,
      "accel_mps2": -3.629359483718872,
      "steer_deg": -3.5999999046325684,
      "steer_torque": -95.0,
      "brake": 1.0,
      "gas": 0.0,
      "steer_pressed": 0.0,
      "cruise": 0.0,
      "speed_kmh": 26.32936363220215,
      "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": 0.0007394144195131,
      "desired_curvature": -0.0003767437010537,
      "force_decel": 0.0,
      "curvature_difference": 0.0011161581205668,
      "lead_valid": 1.0,
      "distance_m": 10.69998550415039,
      "relative_speed_mps": -7.735426425933838,
      "lead_y_m": 0.1544293463230133,
      "ttc_s": 1.3832444282939016,
      "thw_s": 1.4422836413466502,
      "thw_moving_s": 1.4422836413466502,
      "left_lane_probability": null,
      "right_lane_probability": null,
      "left_lane_y": null,
      "right_lane_y": null,
      "fcw": 0.0,
      "planned_accel": 0.0,
      "plan_has_lead": 1.0
    },
    {
      "t": 3.0,
      "speed_mps": 0.2853212356567383,
      "accel_mps2": -1.9560850858688357,
      "steer_deg": -3.5,
      "steer_torque": -66.0,
      "brake": 1.0,
      "gas": 0.0,
      "steer_pressed": 0.0,
      "cruise": 0.0,
      "speed_kmh": 1.027156448364258,
      "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": 0.0006982045597396,
      "desired_curvature": -0.0009654441964812,
      "force_decel": 0.0,
      "curvature_difference": 0.0016636487562208,
      "lead_valid": 1.0,
      "distance_m": 2.4562954902648926,
      "relative_speed_mps": -0.4704446792602539,
      "lead_y_m": 0.0254861563444137,
      "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": 0.0,
      "planned_accel": 0.0,
      "plan_has_lead": 1.0
    },
    {
      "t": 5.0,
      "speed_mps": 0.0087032821029424,
      "accel_mps2": 3.2279792776535032e-06,
      "steer_deg": -3.799999952316284,
      "steer_torque": -44.0,
      "brake": 1.0,
      "gas": 0.0,
      "steer_pressed": 0.0,
      "cruise": 0.0,
      "speed_kmh": 0.03133181557059264,
      "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": 0.0008589948411099,
      "desired_curvature": -0.0002187831123592,
      "force_decel": 0.0,
      "curvature_difference": 0.0010777779534691,
      "lead_valid": 1.0,
      "distance_m": 2.0380101203918457,
      "relative_speed_mps": -0.0094823837280273,
      "lead_y_m": 0.0628347769379615,
      "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": 0.0,
      "planned_accel": 0.0,
      "plan_has_lead": 1.0
    }
  ],
  "sources": [
    {
      "file": "[local path omitted]/carState.csv",
      "bytes": 301249,
      "sha256": "f34dee5b7990793e3a45c3bb34741a4ab1996f726f39fda32f798f260abd5295"
    },
    {
      "file": "[local path omitted]/carControl.csv",
      "bytes": 235476,
      "sha256": "abfcce4b87e9309059b8e19c3b23f23a63277efe1de2d7df4cfb56133396f951"
    },
    {
      "file": "[local path omitted]/controlsState.csv",
      "bytes": 208645,
      "sha256": "6769dfb16a1437c0fd14c890b2f1b2c65489517d10bee64e2a145affd865fa8f"
    },
    {
      "file": "[local path omitted]/radarState.csv",
      "bytes": 103882,
      "sha256": "da9a37b6a06c0e974031d87f3ac00d596daed37b023d54cab979e34427ac0392"
    },
    {
      "file": "[local path omitted]/drivingModelData.csv",
      "bytes": 214,
      "sha256": "28aae58ad8d5272583c387f03313ef283516207e6964d0dfd96f29cfca2818ea"
    },
    {
      "file": "[local path omitted]/longitudinalPlan.csv",
      "bytes": 314401,
      "sha256": "317b26b7a2af8f75d431734feff05f54ffa95d96d138ac24031c2d2ad66661bb"
    },
    {
      "file": "[local path omitted]/meta.json",
      "bytes": 455,
      "sha256": "54a6f32aa7b1b4a78d7441da3e8bcd2619ed8aac7480ef1bce6dcccf9f9b6b81"
    },
    {
      "file": "[local path omitted]/event_metrics.json",
      "bytes": 3622,
      "sha256": "8344a6f91ab772a24f50019c8e1dededf66f71df998460cd8c7a0957837569be"
    },
    {
      "file": "[local path omitted]/takeover.mp4",
      "bytes": 1712898,
      "sha256": "6cb7e577b422a5147c5ec7661131df5e64c06112e67c715d309ce27c663c1227"
    }
  ],
  "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。"
}