@misc{indiciae3d65f187b9a2,
  title = {Halftone visual cryptography.},
  author = {Zhi Zhou and Gonzalo R Arce and Giovanni Di Crescenzo},
  year = {2006},
  doi = {10.1109/tip.2006.875249},
  url = {https://pubmed.ncbi.nlm.nih.gov/16900697/},
  note = {Source identifier: 16900697}
}