{
  "dataset": "ADAS-TO",
  "case_id": "ADAS_TO_RISK_0102",
  "vehicle_model": "FORD_F_150_MK14",
  "driver": "driver_049",
  "route": "route_040",
  "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": "curvature error=0.0077/m; post decel=-4.04m/s2; post steer=320.3deg",
  "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": 100,
  "alert_observed_range_s": [
    -9.908185592,
    -0.000764852
  ],
  "metrics": {
    "pre10": {
      "speed_kmh": {
        "min": 41.8335205078125,
        "max": 74.20570449829101,
        "mean": 63.47013532465155,
        "n": 99,
        "min_t": -0.100196926,
        "max_t": -9.907740289
      },
      "accel_mps2": {
        "min": -3.598776340484619,
        "max": -0.0769959166646003,
        "mean": -0.9158542799678716,
        "n": 99,
        "min_t": -1.200466166,
        "max_t": -7.907468686
      },
      "steer_deg": {
        "min": -15.800000190734863,
        "max": 15.600000381469728,
        "mean": -3.593939369826606,
        "n": 99,
        "min_t": -2.407531523,
        "max_t": -0.100196926
      },
      "brake": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 99,
        "min_t": -9.907740289,
        "max_t": -9.907740289
      },
      "gas": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 99,
        "min_t": -9.907740289,
        "max_t": -9.907740289
      },
      "steer_pressed": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.36363636363636365,
        "n": 99,
        "min_t": -9.907740289,
        "max_t": -6.107465859
      },
      "cruise": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 99,
        "min_t": -9.907740289,
        "max_t": -9.907740289
      },
      "lat_active": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 99,
        "min_t": -9.907523418,
        "max_t": -9.907523418
      },
      "long_active": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 99,
        "min_t": -9.907523418,
        "max_t": -9.907523418
      },
      "left_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 99,
        "min_t": -9.907523418,
        "max_t": -9.907523418
      },
      "right_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 99,
        "min_t": -9.907523418,
        "max_t": -9.907523418
      },
      "curvature_difference": {
        "min": -0.0023428443819283,
        "max": 0.0086501217447221,
        "mean": -0.0002794112337869468,
        "n": 100,
        "min_t": -5.107695764,
        "max_t": -0.000764852
      },
      "cs_enabled": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.99,
        "n": 100,
        "min_t": -0.000764852,
        "max_t": -9.908185592
      },
      "cs_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.99,
        "n": 100,
        "min_t": -0.000764852,
        "max_t": -9.908185592
      },
      "distance_m": {
        "min": 14.26156234741211,
        "max": 33.03086471557617,
        "mean": 25.223684883117677,
        "n": 40,
        "min_t": -0.148587323,
        "max_t": -4.649178754
      },
      "relative_speed_mps": {
        "min": -4.900000095367432,
        "max": 0.8000011444091797,
        "mean": -1.1555468577891588,
        "n": 40,
        "min_t": -1.398444314,
        "max_t": -7.64905653
      },
      "ttc_s": {
        "min": 4.428571498081217,
        "max": 26.438868973295204,
        "mean": 12.774219247227952,
        "n": 24,
        "min_t": -1.398444314,
        "max_t": -9.898737766
      },
      "thw_s": {
        "min": 1.1880303541723036,
        "max": 1.861916208080752,
        "mean": 1.438053079828332,
        "n": 40,
        "min_t": -9.648725853,
        "max_t": -4.149280437
      },
      "thw_moving_s": {
        "min": 1.1880303541723036,
        "max": 1.861916208080752,
        "mean": 1.438053079828332,
        "n": 40,
        "min_t": -9.648725853,
        "max_t": -4.149280437
      },
      "lead_valid": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 40,
        "min_t": -9.898737766,
        "max_t": -9.898737766
      },
      "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": -9.819922417,
        "max_t": -9.819922417
      },
      "fcw": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 40,
        "min_t": -9.819922417,
        "max_t": -9.819922417
      },
      "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": 41.8335205078125,
        "max": 65.47254867553713,
        "mean": 55.95207789674097,
        "n": 49,
        "min_t": -0.100196926,
        "max_t": -4.907150973
      },
      "accel_mps2": {
        "min": -3.598776340484619,
        "max": -0.1798284351825714,
        "mean": -1.3547444191514229,
        "n": 49,
        "min_t": -1.200466166,
        "max_t": -3.906564903
      },
      "steer_deg": {
        "min": -15.800000190734863,
        "max": 15.600000381469728,
        "mean": -4.912244853620627,
        "n": 49,
        "min_t": -2.407531523,
        "max_t": -0.100196926
      },
      "brake": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 49,
        "min_t": -4.907150973,
        "max_t": -4.907150973
      },
      "gas": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 49,
        "min_t": -4.907150973,
        "max_t": -4.907150973
      },
      "steer_pressed": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.4897959183673469,
        "n": 49,
        "min_t": -2.706081497,
        "max_t": -4.907150973
      },
      "cruise": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 49,
        "min_t": -4.907150973,
        "max_t": -4.907150973
      },
      "lat_active": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 49,
        "min_t": -4.90690972,
        "max_t": -4.90690972
      },
      "long_active": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 49,
        "min_t": -4.90690972,
        "max_t": -4.90690972
      },
      "left_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 49,
        "min_t": -4.90690972,
        "max_t": -4.90690972
      },
      "right_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 49,
        "min_t": -4.90690972,
        "max_t": -4.90690972
      },
      "curvature_difference": {
        "min": -0.0023012900492175,
        "max": 0.0086501217447221,
        "mean": 0.00011948063591263803,
        "n": 50,
        "min_t": -4.907544675,
        "max_t": -0.000764852
      },
      "cs_enabled": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.98,
        "n": 50,
        "min_t": -0.000764852,
        "max_t": -4.907544675
      },
      "cs_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.98,
        "n": 50,
        "min_t": -0.000764852,
        "max_t": -4.907544675
      },
      "distance_m": {
        "min": 14.26156234741211,
        "max": 33.03086471557617,
        "mean": 24.75361328125,
        "n": 20,
        "min_t": -0.148587323,
        "max_t": -4.649178754
      },
      "relative_speed_mps": {
        "min": -4.900000095367432,
        "max": -1.4069490432739258,
        "mean": -2.52793436050415,
        "n": 20,
        "min_t": -1.398444314,
        "max_t": -3.148821869
      },
      "ttc_s": {
        "min": 4.428571498081217,
        "max": 18.943126551810387,
        "mean": 11.12158763728829,
        "n": 20,
        "min_t": -1.398444314,
        "max_t": -3.148821869
      },
      "thw_s": {
        "min": 1.218120115999865,
        "max": 1.861916208080752,
        "mean": 1.5703354121062625,
        "n": 20,
        "min_t": -0.148587323,
        "max_t": -4.149280437
      },
      "thw_moving_s": {
        "min": 1.218120115999865,
        "max": 1.861916208080752,
        "mean": 1.5703354121062625,
        "n": 20,
        "min_t": -0.148587323,
        "max_t": -4.149280437
      },
      "lead_valid": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 20,
        "min_t": -4.89936505,
        "max_t": -4.89936505
      },
      "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": 20,
        "min_t": -4.819192363,
        "max_t": -4.819192363
      },
      "fcw": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 20,
        "min_t": -4.819192363,
        "max_t": -4.819192363
      },
      "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": 41.8335205078125,
        "max": 55.86061363220215,
        "mean": 48.33644593891345,
        "n": 19,
        "min_t": -0.100196926,
        "max_t": -1.907361744
      },
      "accel_mps2": {
        "min": -3.598776340484619,
        "max": -1.204482078552246,
        "mean": -2.148476286938316,
        "n": 19,
        "min_t": -1.200466166,
        "max_t": -0.100196926
      },
      "steer_deg": {
        "min": -9.199999809265137,
        "max": 15.600000381469728,
        "mean": 2.036842174435917,
        "n": 19,
        "min_t": -1.907361744,
        "max_t": -0.100196926
      },
      "brake": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 19,
        "min_t": -1.907361744,
        "max_t": -1.907361744
      },
      "gas": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 19,
        "min_t": -1.907361744,
        "max_t": -1.907361744
      },
      "steer_pressed": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 19,
        "min_t": -1.907361744,
        "max_t": -1.907361744
      },
      "cruise": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 19,
        "min_t": -1.907361744,
        "max_t": -1.907361744
      },
      "lat_active": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 19,
        "min_t": -1.907137679,
        "max_t": -1.907137679
      },
      "long_active": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 19,
        "min_t": -1.907137679,
        "max_t": -1.907137679
      },
      "left_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 19,
        "min_t": -1.907137679,
        "max_t": -1.907137679
      },
      "right_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 19,
        "min_t": -1.907137679,
        "max_t": -1.907137679
      },
      "curvature_difference": {
        "min": -0.0010464645456522998,
        "max": 0.0086501217447221,
        "mean": 0.0016889443177206,
        "n": 20,
        "min_t": -1.707454304,
        "max_t": -0.000764852
      },
      "cs_enabled": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.95,
        "n": 20,
        "min_t": -0.000764852,
        "max_t": -1.907834406
      },
      "cs_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.95,
        "n": 20,
        "min_t": -0.000764852,
        "max_t": -1.907834406
      },
      "distance_m": {
        "min": 14.26156234741211,
        "max": 24.0,
        "mean": 19.487854719161987,
        "n": 8,
        "min_t": -0.148587323,
        "max_t": -1.898592061
      },
      "relative_speed_mps": {
        "min": -4.900000095367432,
        "max": -1.4979867935180664,
        "mean": -2.9331735968589783,
        "n": 8,
        "min_t": -1.398444314,
        "max_t": -1.149217247
      },
      "ttc_s": {
        "min": 4.428571498081217,
        "max": 12.819064486905326,
        "mean": 7.610576249718992,
        "n": 8,
        "min_t": -1.398444314,
        "max_t": -1.149217247
      },
      "thw_s": {
        "min": 1.218120115999865,
        "max": 1.5467069618832958,
        "mean": 1.4323619572213424,
        "n": 8,
        "min_t": -0.148587323,
        "max_t": -1.898592061
      },
      "thw_moving_s": {
        "min": 1.218120115999865,
        "max": 1.5467069618832958,
        "mean": 1.4323619572213424,
        "n": 8,
        "min_t": -0.148587323,
        "max_t": -1.898592061
      },
      "lead_valid": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 8,
        "min_t": -1.898592061,
        "max_t": -1.898592061
      },
      "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": 8,
        "min_t": -1.81967819,
        "max_t": -1.81967819
      },
      "fcw": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 8,
        "min_t": -1.81967819,
        "max_t": -1.81967819
      },
      "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": 36.851042175292974,
        "max": 42.14824447631837,
        "mean": 39.97380589076452,
        "n": 7,
        "min_t": 0.400633693,
        "max_t": -0.198292214
      },
      "accel_mps2": {
        "min": -3.3878183364868164,
        "max": -1.204482078552246,
        "mean": -2.192054510116577,
        "n": 7,
        "min_t": 0.301326308,
        "max_t": -0.100196926
      },
      "steer_deg": {
        "min": 13.899999618530272,
        "max": 30.5,
        "mean": 22.60000010899135,
        "n": 7,
        "min_t": -0.198292214,
        "max_t": 0.400633693
      },
      "brake": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.7142857142857143,
        "n": 7,
        "min_t": -0.198292214,
        "max_t": 0.0
      },
      "gas": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 7,
        "min_t": -0.198292214,
        "max_t": -0.198292214
      },
      "steer_pressed": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 7,
        "min_t": -0.198292214,
        "max_t": -0.198292214
      },
      "cruise": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.2857142857142857,
        "n": 7,
        "min_t": 0.0,
        "max_t": -0.198292214
      },
      "lat_active": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 7,
        "min_t": -0.198092785,
        "max_t": -0.198092785
      },
      "long_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.2857142857142857,
        "n": 7,
        "min_t": 0.00018271,
        "max_t": -0.198092785
      },
      "left_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 7,
        "min_t": -0.198092785,
        "max_t": -0.198092785
      },
      "right_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 7,
        "min_t": -0.198092785,
        "max_t": -0.198092785
      },
      "curvature_difference": {
        "min": 0.006752248853444999,
        "max": 0.0141086238436401,
        "mean": 0.009295287803979549,
        "n": 8,
        "min_t": -0.10183658,
        "max_t": 0.49895815
      },
      "cs_enabled": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.25,
        "n": 8,
        "min_t": -0.000764852,
        "max_t": -0.198654562
      },
      "cs_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.25,
        "n": 8,
        "min_t": -0.000764852,
        "max_t": -0.198654562
      },
      "distance_m": {
        "min": 14.26156234741211,
        "max": 14.26156234741211,
        "mean": 14.26156234741211,
        "n": 1,
        "min_t": -0.148587323,
        "max_t": -0.148587323
      },
      "relative_speed_mps": {
        "min": -2.563627243041992,
        "max": -2.563627243041992,
        "mean": -2.563627243041992,
        "n": 1,
        "min_t": -0.148587323,
        "max_t": -0.148587323
      },
      "ttc_s": {
        "min": 5.563040565323913,
        "max": 5.563040565323913,
        "mean": 5.563040565323913,
        "n": 1,
        "min_t": -0.148587323,
        "max_t": -0.148587323
      },
      "thw_s": {
        "min": 1.218120115999865,
        "max": 1.218120115999865,
        "mean": 1.218120115999865,
        "n": 1,
        "min_t": -0.148587323,
        "max_t": -0.148587323
      },
      "thw_moving_s": {
        "min": 1.218120115999865,
        "max": 1.218120115999865,
        "mean": 1.218120115999865,
        "n": 1,
        "min_t": -0.148587323,
        "max_t": -0.148587323
      },
      "lead_valid": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.3333333333333333,
        "n": 3,
        "min_t": 0.102212366,
        "max_t": -0.148587323
      },
      "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": 3,
        "min_t": -0.069036466,
        "max_t": -0.069036466
      },
      "fcw": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 3,
        "min_t": -0.069036466,
        "max_t": -0.069036466
      },
      "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": 19.80116558074951,
        "max": 41.325547027587895,
        "mean": 24.776256294250484,
        "n": 50,
        "min_t": 3.101326378,
        "max_t": 0.0
      },
      "accel_mps2": {
        "min": -4.043752670288086,
        "max": 0.940954327583313,
        "mean": -1.0450246088346467,
        "n": 50,
        "min_t": 1.001381443,
        "max_t": 4.302554324
      },
      "steer_deg": {
        "min": 17.799999237060547,
        "max": 322.20001220703125,
        "mean": 199.47000091552735,
        "n": 50,
        "min_t": 0.0,
        "max_t": 3.101326378
      },
      "brake": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.38,
        "n": 50,
        "min_t": 1.902005329,
        "max_t": 0.0
      },
      "gas": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.54,
        "n": 50,
        "min_t": 0.0,
        "max_t": 2.301559999
      },
      "steer_pressed": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.68,
        "n": 50,
        "min_t": 0.0,
        "max_t": 0.801911716
      },
      "cruise": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 50,
        "min_t": 0.0,
        "max_t": 0.0
      },
      "lat_active": {
        "min": 1.0,
        "max": 1.0,
        "mean": 1.0,
        "n": 50,
        "min_t": 0.00018271,
        "max_t": 0.00018271
      },
      "long_active": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 50,
        "min_t": 0.00018271,
        "max_t": 0.00018271
      },
      "left_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 50,
        "min_t": 0.00018271,
        "max_t": 0.00018271
      },
      "right_blinker": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 50,
        "min_t": 0.00018271,
        "max_t": 0.00018271
      },
      "curvature_difference": {
        "min": -0.038383200764656095,
        "max": 0.020659416913986203,
        "mean": -0.0049176446627825585,
        "n": 50,
        "min_t": 2.699360483,
        "max_t": 1.499243383
      },
      "cs_enabled": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.64,
        "n": 50,
        "min_t": 0.100035102,
        "max_t": 1.901579022
      },
      "cs_active": {
        "min": 0.0,
        "max": 1.0,
        "mean": 0.64,
        "n": 50,
        "min_t": 0.100035102,
        "max_t": 1.901579022
      },
      "distance_m": {
        "min": null,
        "max": null,
        "mean": null,
        "n": 0,
        "min_t": null,
        "max_t": null
      },
      "relative_speed_mps": {
        "min": null,
        "max": null,
        "mean": null,
        "n": 0,
        "min_t": null,
        "max_t": null
      },
      "ttc_s": {
        "min": null,
        "max": null,
        "mean": null,
        "n": 0,
        "min_t": null,
        "max_t": null
      },
      "thw_s": {
        "min": null,
        "max": null,
        "mean": null,
        "n": 0,
        "min_t": null,
        "max_t": null
      },
      "thw_moving_s": {
        "min": null,
        "max": null,
        "mean": null,
        "n": 0,
        "min_t": null,
        "max_t": null
      },
      "lead_valid": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 20,
        "min_t": 0.102212366,
        "max_t": 0.102212366
      },
      "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": 20,
        "min_t": 0.18033128,
        "max_t": 0.18033128
      },
      "fcw": {
        "min": 0.0,
        "max": 0.0,
        "mean": 0.0,
        "n": 20,
        "min_t": 0.18033128,
        "max_t": 0.18033128
      },
      "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": [
      0.0
    ],
    "driver_gas_on": [
      2.3016
    ],
    "driver_steer_pressed_on": [
      -6.1075,
      -2.5076,
      0.8019,
      1.7001
    ],
    "control_lat_active_off": [],
    "control_long_active_off": [
      0.0002
    ],
    "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": [
      0.102212366
    ],
    "video_precontext_s": 10,
    "source_sampling": {
      "vehicle": {
        "rows": 199,
        "median_step_s": 0.09996247050000007,
        "max_gap_s": 0.10662304200000006,
        "start_relative_s": -9.907740289,
        "end_relative_s": 9.898773796
      },
      "control": {
        "rows": 199,
        "median_step_s": 0.09997710600000076,
        "max_gap_s": 0.10673028199999979,
        "start_relative_s": -9.907523418,
        "end_relative_s": 9.899310937
      },
      "controller": {
        "rows": 199,
        "median_step_s": 0.09998244450000016,
        "max_gap_s": 0.10538724599999982,
        "start_relative_s": -9.908185592,
        "end_relative_s": 9.897882432
      },
      "radar": {
        "rows": 80,
        "median_step_s": 0.24999103400000022,
        "max_gap_s": 0.2511602660000003,
        "start_relative_s": -9.898737766,
        "end_relative_s": 9.850338347
      },
      "model": {
        "rows": 0,
        "median_step_s": null,
        "max_gap_s": null,
        "start_relative_s": null,
        "end_relative_s": null
      },
      "plan": {
        "rows": 80,
        "median_step_s": 0.24993884600000005,
        "max_gap_s": 0.26256716700000027,
        "start_relative_s": -9.819922417,
        "end_relative_s": 9.929811182
      }
    },
    "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": 19.96018409729004,
      "accel_mps2": -0.259904682636261,
      "steer_deg": -4.599999904632568,
      "steer_torque": -0.0625,
      "brake": 0.0,
      "gas": 0.0,
      "steer_pressed": 0.0,
      "cruise": 1.0,
      "speed_kmh": 71.85666275024414,
      "cc_enabled": 1.0,
      "lat_active": 1.0,
      "long_active": 1.0,
      "left_blinker": 0.0,
      "right_blinker": 0.0,
      "requested_accel": -0.1967120319604873,
      "cs_enabled": 1.0,
      "cs_active": 1.0,
      "curvature": 0.0007110602455213,
      "desired_curvature": 0.0011470435420051,
      "force_decel": 0.0,
      "curvature_difference": -0.0004359832964838,
      "lead_valid": 1.0,
      "distance_m": 25.0,
      "relative_speed_mps": 0.700003445148468,
      "lead_y_m": -0.6000000238418579,
      "ttc_s": null,
      "thw_s": 1.2478968778966721,
      "thw_moving_s": 1.2478968778966721,
      "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": 18.25849723815918,
      "accel_mps2": -0.4311746656894684,
      "steer_deg": 6.0,
      "steer_torque": 1.5625,
      "brake": 0.0,
      "gas": 0.0,
      "steer_pressed": 1.0,
      "cruise": 1.0,
      "speed_kmh": 65.73059005737305,
      "cc_enabled": 1.0,
      "lat_active": 1.0,
      "long_active": 1.0,
      "left_blinker": 0.0,
      "right_blinker": 0.0,
      "requested_accel": -0.8755803108215332,
      "cs_enabled": 1.0,
      "cs_active": 1.0,
      "curvature": -0.0012377010425552,
      "desired_curvature": 0.0010904025984928,
      "force_decel": 0.0,
      "curvature_difference": -0.002328103641048,
      "lead_valid": 1.0,
      "distance_m": 29.133174896240234,
      "relative_speed_mps": -1.6553878784179688,
      "lead_y_m": -0.8575255870819092,
      "ttc_s": 17.599002189192305,
      "thw_s": 1.5857600494347845,
      "thw_moving_s": 1.5857600494347845,
      "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": 16.569677352905273,
      "accel_mps2": -0.3187852799892425,
      "steer_deg": -13.699999809265137,
      "steer_torque": 1.25,
      "brake": 0.0,
      "gas": 0.0,
      "steer_pressed": 1.0,
      "cruise": 1.0,
      "speed_kmh": 59.650838470458986,
      "cc_enabled": 1.0,
      "lat_active": 1.0,
      "long_active": 1.0,
      "left_blinker": 0.0,
      "right_blinker": 0.0,
      "requested_accel": -0.7097263932228088,
      "cs_enabled": 1.0,
      "cs_active": 1.0,
      "curvature": 0.0025300150737166,
      "desired_curvature": 0.0027706313412636,
      "force_decel": 0.0,
      "curvature_difference": -0.00024061626754699967,
      "lead_valid": 1.0,
      "distance_m": 26.652013778686523,
      "relative_speed_mps": -1.4069490432739258,
      "lead_y_m": -1.849249124526977,
      "ttc_s": 18.943126551810387,
      "thw_s": 1.601106574132469,
      "thw_moving_s": 1.601106574132469,
      "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": 13.510306358337402,
      "accel_mps2": -2.339229106903076,
      "steer_deg": 0.2000000029802322,
      "steer_torque": -0.5625,
      "brake": 0.0,
      "gas": 0.0,
      "steer_pressed": 0.0,
      "cruise": 1.0,
      "speed_kmh": 48.63710289001465,
      "cc_enabled": 1.0,
      "lat_active": 1.0,
      "long_active": 1.0,
      "left_blinker": 0.0,
      "right_blinker": 0.0,
      "requested_accel": -2.2960262298583984,
      "cs_enabled": 1.0,
      "cs_active": 1.0,
      "curvature": -0.0005144910537637,
      "desired_curvature": -0.0002809301950037,
      "force_decel": 0.0,
      "curvature_difference": -0.00023356085876000002,
      "lead_valid": 1.0,
      "distance_m": 19.202789306640625,
      "relative_speed_mps": -1.4979867935180664,
      "lead_y_m": 1.24640953540802,
      "ttc_s": 12.819064486905326,
      "thw_s": 1.402418790571283,
      "thw_moving_s": 1.402418790571283,
      "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": 11.479318618774414,
      "accel_mps2": -1.3112447261810305,
      "steer_deg": 17.799999237060547,
      "steer_torque": -1.0625,
      "brake": 1.0,
      "gas": 0.0,
      "steer_pressed": 0.0,
      "cruise": 0.0,
      "speed_kmh": 41.325547027587895,
      "cc_enabled": 1.0,
      "lat_active": 1.0,
      "long_active": 1.0,
      "left_blinker": 0.0,
      "right_blinker": 0.0,
      "requested_accel": -1.6726337671279907,
      "cs_enabled": 0.0,
      "cs_active": 0.0,
      "curvature": -0.003872578497976,
      "desired_curvature": -0.0125227002426981,
      "force_decel": 0.0,
      "curvature_difference": 0.0086501217447221,
      "lead_valid": 1.0,
      "distance_m": 14.26156234741211,
      "relative_speed_mps": -2.563627243041992,
      "lead_y_m": 2.965425729751587,
      "ttc_s": 5.563040565323913,
      "thw_s": 1.218120115999865,
      "thw_moving_s": 1.218120115999865,
      "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": 8.646044731140137,
      "accel_mps2": -3.8719193935394287,
      "steer_deg": 47.400001525878906,
      "steer_torque": -0.125,
      "brake": 1.0,
      "gas": 0.0,
      "steer_pressed": 0.0,
      "cruise": 0.0,
      "speed_kmh": 31.125761032104492,
      "cc_enabled": 1.0,
      "lat_active": 1.0,
      "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": -0.0103844972327351,
      "desired_curvature": -0.0271503906697034,
      "force_decel": 0.0,
      "curvature_difference": 0.0167658934369683,
      "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": null,
      "right_lane_probability": null,
      "left_lane_y": null,
      "right_lane_y": null,
      "fcw": 0.0,
      "planned_accel": 0.0,
      "plan_has_lead": 0.0
    },
    {
      "t": 3.0,
      "speed_mps": 5.5135931968688965,
      "accel_mps2": -0.4802103638648987,
      "steer_deg": 320.29998779296875,
      "steer_torque": 3.0625,
      "brake": 0.0,
      "gas": 1.0,
      "steer_pressed": 1.0,
      "cruise": 0.0,
      "speed_kmh": 19.84893550872803,
      "cc_enabled": 1.0,
      "lat_active": 1.0,
      "long_active": 0.0,
      "left_blinker": 0.0,
      "right_blinker": 0.0,
      "requested_accel": 0.0,
      "cs_enabled": 1.0,
      "cs_active": 1.0,
      "curvature": -0.0715802833437919,
      "desired_curvature": -0.0504123531281948,
      "force_decel": 0.0,
      "curvature_difference": -0.021167930215597104,
      "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": null,
      "right_lane_probability": null,
      "left_lane_y": null,
      "right_lane_y": null,
      "fcw": 0.0,
      "planned_accel": 0.0,
      "plan_has_lead": 0.0
    },
    {
      "t": 5.0,
      "speed_mps": 6.559763431549072,
      "accel_mps2": 0.8690361380577087,
      "steer_deg": 243.1999969482422,
      "steer_torque": 1.8125,
      "brake": 0.0,
      "gas": 1.0,
      "steer_pressed": 1.0,
      "cruise": 0.0,
      "speed_kmh": 23.61514835357666,
      "cc_enabled": 1.0,
      "lat_active": 1.0,
      "long_active": 0.0,
      "left_blinker": 0.0,
      "right_blinker": 0.0,
      "requested_accel": 0.0,
      "cs_enabled": 1.0,
      "cs_active": 1.0,
      "curvature": -0.0511154308915138,
      "desired_curvature": -0.0485966391861438,
      "force_decel": 0.0,
      "curvature_difference": -0.002518791705369998,
      "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": null,
      "right_lane_probability": null,
      "left_lane_y": null,
      "right_lane_y": null,
      "fcw": 0.0,
      "planned_accel": 0.0,
      "plan_has_lead": 0.0
    }
  ],
  "sources": [
    {
      "file": "[local path omitted]/carState.csv",
      "bytes": 35500,
      "sha256": "9ecc8edafc58701dd6c781bf69ecf08c727fb7e6ebd3f57f35b66a564dee1c1b"
    },
    {
      "file": "[local path omitted]/carControl.csv",
      "bytes": 23183,
      "sha256": "e6b2b81f19b207c60bb505bd822e239046d6f185afdf55d96c30c9cd21fab878"
    },
    {
      "file": "[local path omitted]/controlsState.csv",
      "bytes": 25760,
      "sha256": "5650e1e667d6239eb4abff0dff0989fbddf52f6bcd7107b33a22c5ec1416c45b"
    },
    {
      "file": "[local path omitted]/radarState.csv",
      "bytes": 16485,
      "sha256": "46479ed02868b826c442ac6afb318e54eae7cb780f7517f44fe004ab4ffc697c"
    },
    {
      "file": "[local path omitted]/drivingModelData.csv",
      "bytes": 214,
      "sha256": "28aae58ad8d5272583c387f03313ef283516207e6964d0dfd96f29cfca2818ea"
    },
    {
      "file": "[local path omitted]/longitudinalPlan.csv",
      "bytes": 58720,
      "sha256": "66e3d5beae628aa94e73b15aeb5b6acc55e354407afed3c85f91cf51f14d2a4e"
    },
    {
      "file": "[local path omitted]/meta.json",
      "bytes": 407,
      "sha256": "786d59a6071991baa0b54a99596d3e188f4174b1cd0716ff9325b522388845fd"
    },
    {
      "file": "[local path omitted]/event_metrics.json",
      "bytes": 3500,
      "sha256": "1f641f8f8662c09bab44d4fbd371635659b1aa26da6f5196eec873712c3ebadf"
    },
    {
      "file": "[local path omitted]/takeover.mp4",
      "bytes": 1495525,
      "sha256": "c414b098bcfaf3d212d8817fe2cbbfaf937412cbafee392efa88213bdfe5e95f"
    }
  ],
  "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。"
}