@misc{indiciae64900ed8c7b2,
  title = {Shape from shading: estimation of reflectance map.},
  author = {J Seyama and T Sato},
  year = {1998},
  doi = {10.1016/s0042-6989(97)00435-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/9893809/},
  note = {Source identifier: 9893809}
}