{ "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." }