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{
  "video_id_rule": "source video id = re.match(r'^(.+?)_segment_(\\d+)', segment_id).group(1)",
  "released_split": {
    "train": {
      "segments": 464278,
      "videos": 223214
    },
    "val": {
      "segments": 50985,
      "videos": 41174
    },
    "test": {
      "segments": 26666,
      "videos": 23194
    }
  },
  "released_overlap_videos": {
    "train_and_test": 15152,
    "train_and_val": 25822,
    "val_and_test": 5707
  },
  "video_disjoint_test": {
    "description": "Released test segments whose source video appears in neither train nor val.",
    "segments": 7679,
    "videos": 7596
  },
  "video_level_split": {
    "description": "Strict per-source-video split: every segment of a video goes to the same split, assigned by sha256(video_id) mod 100 (<85 train, <95 val, else test).",
    "train": {
      "segments": 461203,
      "videos": 209400
    },
    "val": {
      "segments": 53935,
      "videos": 24534
    },
    "test": {
      "segments": 26791,
      "videos": 12228
    }
  },
  "benchmark_test": {
    "description": "Released test segments of 40-196 frames, scored by the paper's benchmark.",
    "segments": 17348
  }
}