{
  "dataset_name": "VCBench Clipped Videos",
  "version": "1.0",
  "total_clips": 4574,
  "total_size_gb": 80,
  "categories": {
    "O1-Snap": {
      "description": "Current-state snapshot counting",
      "clips": 252,
      "multi_query": true
    },
    "O1-Delta": {
      "description": "Current-state delta counting",
      "clips": 98,
      "multi_query": false
    },
    "O2-Unique": {
      "description": "Global unique identity tracking",
      "clips": 1869,
      "multi_query": true
    },
    "O2-Gain": {
      "description": "Windowed gain counting",
      "clips": 78,
      "multi_query": false
    },
    "E1-Action": {
      "description": "Instantaneous action counting",
      "clips": 1281,
      "multi_query": true
    },
    "E1-Transit": {
      "description": "State transition counting",
      "clips": 205,
      "multi_query": true
    },
    "E2-Periodic": {
      "description": "Periodic action counting",
      "clips": 511,
      "multi_query": true
    },
    "E2-Episode": {
      "description": "Episodic segment counting",
      "clips": 280,
      "multi_query": true
    }
  },
  "video_properties": {
    "format": "MP4",
    "codec": "H.264",
    "encoding_method": "copy (lossless)",
    "frame_rates": ["3fps", "24fps", "25fps", "30fps", "60fps"],
    "duration_accuracy": "±0.1s"
  },
  "source_datasets": [
    "YouTube",
    "RoomTour3D",
    "Ego4D",
    "ScanNet",
    "ScanNetPP",
    "ARKitScenes",
    "TOMATO",
    "CODa",
    "OmniWorld",
    "Simulated"
  ],
  "creation_date": "2026-03-01",
  "quality_validated": true
}