@article{Kee:2014:EPM,
  note = {Presented at SIGGRAPH 2014},
  doi = {10.1145/2629646},
  title = {Exposing Photo Manipulation from Shading and Shadows},
  journal = {ACM Transactions on Graphics},
  author = {Eric Kee and James F. O'Brien and Hany Farid},
  number = 5,
  month = sep,
  volume = 33,
  year = 2014,
  pages = {165:1--165:21},
  url = {https://objf.ai/papers/Kee-EPM-2014-09/},
}