{
  "mean": 138.77301733842884,
  "std": 44.81765161030589,
  "scale": "0-255-after-CLAHE-and-resize",
  "width": 100,
  "height": 50,
  "computed_on": "2026-01-01T11:14:10.112830Z",
  "notes": "Accumulated from load_video() outputs, training set only, single original stream"
}