A. Khurshid and J. Scharcanski.
" Adaptive Face Tracking Based on Online Learning", in <em>Companion Proceedings of the 32th Conference on Graphics, Patterns and Images</em>, Rio de Janeiro, 2019, pp. 21-27, doi: <a href="https://doi.org/10.5753/sibgrapi.est.2019.8297">https://doi.org/10.5753/sibgrapi.est.2019.8297</a>.