Horn90a'

BibTeX

@article{DBLP:journals/ijcv/Horn90a,
  author    = {Berthold K. P. Horn},
  title     = {Height and gradient from shading},
  journal   = {International Journal of Computer Vision},
  volume    = {5},
  number    = {1},
  year      = {1990},
  pages     = {37-75},
  ee        = {http://dx.doi.org/10.1007/BF00056771},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}