@misc{indiciaec2555d6b4b2d,
  title = {Shadow-invariant classification for scenes illuminated by daylight.},
  author = {J A Marchant and C M Onyango},
  year = {2000},
  doi = {10.1364/josaa.17.001952},
  url = {https://pubmed.ncbi.nlm.nih.gov/11059589/},
  note = {Source identifier: 11059589}
}