@inproceedings{inproceedings36a2401f,
title   = {Keygraphs for sign detection in indoor environments by mobile phones},
author = {Morimitsu, Henrique and Hashimoto, Marcelo and Pimentel, Rodrigo B and César Júnior, Roberto Marcondes and Hirata Júnior, Roberto},
year = {2011},
doi = {10.1007/978-3-642-20844-7_32},
publisher = {Springer},
booktitle   = {International Workshop on Graph-Based Representations in Pattern Recognition - GbRPR}
}