@misc{indiciaeae061f1e37ce,
  title = {Edge detection in images using Marr-Hildreth filtering techniques.},
  author = {T G Smith and W B Marks and G D Lange and W H Sheriff and E A Neale},
  year = {1988},
  doi = {10.1016/0165-0270(88)90130-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/3199849/},
  note = {Source identifier: 3199849}
}