@INPROCEEDINGS {28441,
author={F.  Ferreira and F. Lopes},
doi={10.1109/ICELMACH.2016.7732854},
booktitle={The International Conference of Electrical Machines Association Fernando José Pimentel Lopes ICEM},
title={Webcam-Based Tachometer for In-field Induction Motor Load Estimation},
year={2016},
month={September},
volume={1},
pages={1-9} 
}