React / freeze_intervals.json
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Audit batch 1: post-trim numbers in docs/figures.md (#3); tasks.json 2026-05-11 note + trim_offsets lookup (#5, #8); bad_frames.json trim_offsets header (#8); dataloader default which_sensors='both' (#10); new freeze_intervals.json with per-event diagnostic signals (#12)
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{
"description": "Diagnostic per-event view of the OT-loss intervals that appear in bad_frames.json as `ot_loss_L` / `ot_loss_R`. Use bad_frames.json for window-filtering; use this file when you want to inspect or filter on the underlying motion / OT-gap / angular-velocity signals.",
"thresholds": {
"freeze_min_s": 0.25,
"trans_teleport_mps": 5.0,
"ang_teleport_rad_per_s": 15.0,
"opt_gap_s": 0.1,
"near_window_s": 1.0
},
"coordinates": "TRIMMED-pt frame indices (same as bad_frames.json)",
"n_events": 41,
"events": [
{
"episode": "2026-05-10/episode_001",
"side": "left",
"a": 5503,
"b": 5513,
"length_s": 0.367,
"view_motion": 3.353,
"cam0_motion": 4.531,
"cam1_motion": 2.895,
"tac_motion": 0.64,
"cam0_dup": 0.0,
"cam1_dup": 0.0,
"cam2_dup": 0.0,
"tac_dup": 0.7,
"trans_vel_near_mps": 0.587,
"ang_vel_near_rad_s": 18.229,
"opt_gap_s": 0.4999,
"verdict": "ot_loss"
},
{
"episode": "2026-05-10/episode_001",
"side": "left",
"a": 7062,
"b": 7153,
"length_s": 3.067,
"view_motion": 4.593,
"cam0_motion": 3.571,
"cam1_motion": 4.381,
"tac_motion": 0.652,
"cam0_dup": 0.062,
"cam1_dup": 0.0,
"cam2_dup": 0.0,
"tac_dup": 0.688,
"trans_vel_near_mps": 107.787,
"ang_vel_near_rad_s": 4404.345,
"opt_gap_s": 1.6301,
"verdict": "ot_loss"
},
{
"episode": "2026-05-11/episode_005",
"side": "left",
"a": 12818,
"b": 12834,
"length_s": 0.567,
"view_motion": 3.613,
"cam0_motion": 3.323,
"cam1_motion": 3.528,
"tac_motion": 0.688,
"cam0_dup": 0.125,
"cam1_dup": 0.0,
"cam2_dup": 0.0,
"tac_dup": 0.688,
"trans_vel_near_mps": 3.753,
"ang_vel_near_rad_s": 234.83,
"opt_gap_s": 0.54,
"verdict": "ot_loss"
},
{
"episode": "2026-05-11/episode_005",
"side": "right",
"a": 2594,
"b": 2618,
"length_s": 0.833,
"view_motion": 2.993,
"cam0_motion": 2.999,
"cam1_motion": 3.079,
"tac_motion": 0.547,
"cam0_dup": 0.208,
"cam1_dup": 0.0,
"cam2_dup": 0.0,
"tac_dup": 0.75,
"trans_vel_near_mps": 1.39,
"ang_vel_near_rad_s": 57.624,
"opt_gap_s": 0.8199,
"verdict": "ot_loss"
},
{
"episode": "2026-05-11/episode_013",
"side": "left",
"a": 5765,
"b": 5794,
"length_s": 1.0,
"view_motion": 2.359,
"cam0_motion": 2.113,
"cam1_motion": 2.614,
"tac_motion": 0.612,
"cam0_dup": 0.0,
"cam1_dup": 0.0,
"cam2_dup": 0.0,
"tac_dup": 0.724,
"trans_vel_near_mps": 135.549,
"ang_vel_near_rad_s": 355.849,
"opt_gap_s": 0.94,
"verdict": "ot_loss"
},
{
"episode": "2026-05-11/episode_013",
"side": "left",
"a": 5869,
"b": 5884,
"length_s": 0.533,
"view_motion": 2.879,
"cam0_motion": 2.05,
"cam1_motion": 3.933,
"tac_motion": 0.587,
"cam0_dup": 0.067,
"cam1_dup": 0.0,
"cam2_dup": 0.0,
"tac_dup": 0.733,
"trans_vel_near_mps": 1.937,
"ang_vel_near_rad_s": 101.764,
"opt_gap_s": 2.67,
"verdict": "ot_loss"
},
{
"episode": "2026-05-11/episode_013",
"side": "left",
"a": 5905,
"b": 5985,
"length_s": 2.7,
"view_motion": 2.386,
"cam0_motion": 2.312,
"cam1_motion": 3.579,
"tac_motion": 0.841,
"cam0_dup": 0.0,
"cam1_dup": 0.0,
"cam2_dup": 0.0,
"tac_dup": 0.625,
"trans_vel_near_mps": 0.269,
"ang_vel_near_rad_s": 15.407,
"opt_gap_s": 2.67,
"verdict": "ot_loss"
},
{
"episode": "2026-05-11/episode_013",
"side": "left",
"a": 7680,
"b": 7716,
"length_s": 1.233,
"view_motion": 2.097,
"cam0_motion": 1.978,
"cam1_motion": 2.61,
"tac_motion": 0.629,
"cam0_dup": 0.031,
"cam1_dup": 0.0,
"cam2_dup": 0.0,
"tac_dup": 0.719,
"trans_vel_near_mps": 531.866,
"ang_vel_near_rad_s": 26952.766,
"opt_gap_s": 0.62,
"verdict": "ot_loss"
},
{
"episode": "2026-05-11/episode_013",
"side": "left",
"a": 7765,
"b": 7790,
"length_s": 0.867,
"view_motion": 2.148,
"cam0_motion": 1.886,
"cam1_motion": 2.538,
"tac_motion": 0.626,
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"cam2_dup": 0.0,
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"trans_vel_near_mps": 50.784,
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"opt_gap_s": 0.8785,
"verdict": "ot_loss"
},
{
"episode": "2026-05-11/episode_013",
"side": "left",
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"tac_motion": 0.611,
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"verdict": "ot_loss"
},
{
"episode": "2026-05-11/episode_013",
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"verdict": "ot_loss"
},
{
"episode": "2026-05-11/episode_013",
"side": "left",
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"cam0_motion": 1.816,
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"tac_motion": 0.7,
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"trans_vel_near_mps": 2.859,
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"verdict": "ot_loss"
},
{
"episode": "2026-05-11/episode_013",
"side": "left",
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"cam0_motion": 1.771,
"cam1_motion": 2.281,
"tac_motion": 0.716,
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"verdict": "ot_loss"
},
{
"episode": "2026-05-11/episode_013",
"side": "left",
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"cam0_motion": 2.054,
"cam1_motion": 2.29,
"tac_motion": 0.484,
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"trans_vel_near_mps": 3.942,
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"verdict": "ot_loss"
},
{
"episode": "2026-05-11/episode_013",
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"verdict": "ot_loss"
},
{
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},
{
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},
{
"episode": "2026-05-11/episode_013",
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},
{
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},
{
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"verdict": "ot_loss"
},
{
"episode": "2026-05-11/episode_013",
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},
{
"episode": "2026-05-11/episode_014",
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"verdict": "ot_loss"
},
{
"episode": "2026-05-11/episode_014",
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"verdict": "ot_loss"
},
{
"episode": "2026-05-11/episode_014",
"side": "right",
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"cam0_motion": 2.916,
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"verdict": "ot_loss"
},
{
"episode": "2026-05-11/episode_015",
"side": "left",
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"verdict": "ot_loss"
},
{
"episode": "2026-05-11/episode_015",
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"verdict": "ot_loss"
},
{
"episode": "2026-05-11/episode_015",
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"verdict": "ot_loss"
},
{
"episode": "2026-05-11/episode_015",
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"verdict": "ot_loss"
},
{
"episode": "2026-05-11/episode_015",
"side": "left",
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"trans_vel_near_mps": 4.198,
"ang_vel_near_rad_s": 286.989,
"opt_gap_s": 0.81,
"verdict": "ot_loss"
},
{
"episode": "2026-05-11/episode_015",
"side": "right",
"a": 1491,
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"length_s": 0.867,
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"ang_vel_near_rad_s": 2452.28,
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"verdict": "ot_loss"
},
{
"episode": "2026-05-11/episode_015",
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"verdict": "ot_loss"
},
{
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"verdict": "ot_loss"
},
{
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"verdict": "ot_loss"
},
{
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"verdict": "ot_loss"
},
{
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"verdict": "ot_loss"
},
{
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"verdict": "ot_loss"
},
{
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