@inproceedings{Villamizar_icra2014,
author    = {M. Villamizar and  A. Sanfeliu and F. Moreno-Noguer},
title     = {Fast Online Learning and Detection of Natural Landmarks for Autonomous Aerial Robots},
booktitle = {Proceedings of the International Conference on Robotics and Automation (ICRA)},
pages     = {4996-5003}, 
year      = {2014},
}