@misc{indiciaee325ef2e1290,
  title = {Digital data processing of images.},
  author = {M G Lötter and P C Minnaar and F Verster and P H Kleynhans and A van Aswegen and P D van Heerden and P L Le Roux},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4842606/},
  note = {Source identifier: 4842606}
}