@misc{indiciaedf8315ef0397,
  title = {Optimal halftoning for tactile imaging.},
  author = {Amit Nayak and Kenneth E Barner},
  year = {2004},
  doi = {10.1109/tnsre.2003.819885},
  url = {https://pubmed.ncbi.nlm.nih.gov/15218936/},
  note = {Source identifier: 15218936}
}