David A. Forsyth, Andrew Zisserman. Shape from shading in the light of mutual illumination. Image Vision Comput., 8(1):42-49, 1990. [doi]
@article{ForsythZ90,
title = {Shape from shading in the light of mutual illumination},
author = {David A. Forsyth and Andrew Zisserman},
year = {1990},
doi = {10.1016/0262-8856(90)90055-A},
url = {http://dx.doi.org/10.1016/0262-8856(90)90055-A},
researchr = {https://researchr.org/publication/ForsythZ90},
cites = {0},
citedby = {0},
journal = {Image Vision Comput.},
volume = {8},
number = {1},
pages = {42-49},
}