metadata.json

{
  "source": "Single Photon Challenge reconstruction dataset",
  "source_url": "https://singlephotonchallenge.com/download",
  "algorithm": "adaptive_similarity_flow_sum",
  "K": 256,
  "reg_block_size": 8,
  "scale_candidates": [
    0.9,
    0.94,
    0.98,
    1.0,
    1.02,
    1.06,
    1.1
  ],
  "overlap_threshold": 0.45,
  "max_global_mse": null,
  "use_dense_flow": true,
  "flow_attachment": 15,
  "flow_tightness": 0.3,
  "num_warp": 5,
  "invert_response": true,
  "invert_factor": 0.5,
  "tonemap": true,
  "split": "all",
  "notes": "Measurements are preprocessed from raw photoncubes using: adaptive block-wise scale+translation registration with optional dense optical-flow refinement, followed by SPC response inversion and sRGB tonemapping. Saved as uint8 PNGs. Targets are copied from original ground-truth PNGs."
}