Roger Mohr, Emmanuel Arbogast. It can be done without camera calibration. Pattern Recognition Letters, 12(1):39-43, 1991. [doi]
@article{MohrA91, title = {It can be done without camera calibration}, author = {Roger Mohr and Emmanuel Arbogast}, year = {1991}, doi = {10.1016/0167-8655(91)90026-I}, url = {http://dx.doi.org/10.1016/0167-8655(91)90026-I}, researchr = {https://researchr.org/publication/MohrA91}, cites = {0}, citedby = {0}, journal = {Pattern Recognition Letters}, volume = {12}, number = {1}, pages = {39-43}, }