@misc{indiciaead365bbc237a,
  title = {A method to generate soft shadows using a layered depth image and warping.},
  author = {Yeon-Ho Im and Chang-Young Han and Lee-Sup Kim},
  doi = {10.1109/tvcg.2005.37},
  url = {https://pubmed.ncbi.nlm.nih.gov/15868826/},
  note = {Source identifier: 15868826}
}