@misc{indiciaeb8316c31d2fb,
  title = {Demodulation, predictive coding, and spatial vision.},
  author = {J G Daugman and C J Downing},
  year = {1995},
  doi = {10.1364/josaa.12.000641},
  url = {https://pubmed.ncbi.nlm.nih.gov/7714645/},
  note = {Source identifier: 7714645}
}