@ARTICLE { Fierrez2007_SignatureHMM,
author = {Julian Fierrez and Javier Ortega-Garcia and Daniel Ramos and Joaquin Gonzalez-Rodriguez},
journal = {Pattern Recognition Letters},
month = {December},
number = {16},
pages = {2325-2334},
title = {HMM-based on-line signature verification: feature extraction and signature modeling},
volume = {28},
year = {2007},
}