@inproceedings{Villamizar_icpr2012,
author    = {M. Villamizar and A. Garrell and A. Sanfeliu and F. Moreno-Noguer},
title     = {Online Human-Assisted Learning using Random Ferns},
booktitle = {Proceedings of the International Conference on Pattern Recognition (ICPR)},
pages     = {2821-2824}, 
year      = {2012},
}