John Porrill. Fitting ellipses and predicting confidence envelopes using a bias corrected Kalman filter. Image Vision Comput., 8(1):37-41, 1990. [doi]
@article{Porrill90,
title = {Fitting ellipses and predicting confidence envelopes using a bias corrected Kalman filter},
author = {John Porrill},
year = {1990},
doi = {10.1016/0262-8856(90)90054-9},
url = {http://dx.doi.org/10.1016/0262-8856(90)90054-9},
researchr = {https://researchr.org/publication/Porrill90},
cites = {0},
citedby = {0},
journal = {Image Vision Comput.},
volume = {8},
number = {1},
pages = {37-41},
}