Robert J. Woodham. Multiple light source optical flow. In Third International Conference on Computer Vision, ICCV 1990. Osaka, Japan, 4-7 December, 1990, Proceedings. pages 42-46, IEEE, 1990. [doi]
@inproceedings{Woodham90, title = {Multiple light source optical flow}, author = {Robert J. Woodham}, year = {1990}, doi = {10.1109/ICCV.1990.139489}, url = {http://dx.doi.org/10.1109/ICCV.1990.139489}, researchr = {https://researchr.org/publication/Woodham90}, cites = {0}, citedby = {0}, pages = {42-46}, booktitle = {Third International Conference on Computer Vision, ICCV 1990. Osaka, Japan, 4-7 December, 1990, Proceedings}, publisher = {IEEE}, isbn = {0-8186-2057-9}, }