@INPROCEEDINGS {15369, author={S. Routray and R. F. Rocha and A. N. Pinto}, doi={10.1109/ICT.2014.6845092}, booktitle={International Conf. on Telecommunications - ICT}, title={Estimating the parameters of optical transport networks from their circumferential ellipses}, year={2014}, month={May}, volume={21}, pages={119-123} }