metadata.json

{
  "source": "Single Photon Challenge reconstruction dataset",
  "source_url": "https://singlephotonchallenge.com/download",
  "num_frames": 16,
  "invert_response": true,
  "invert_factor": 0.5,
  "tonemap": true,
  "split": "all",
  "notes": "Measurements are preprocessed from raw photoncubes using: naive sum averaging, SPC response inversion, and sRGB tonemapping. Saved as uint8 PNGs. Targets are copied from original ground-truth PNGs."
}