@TechReport{AntoVeneBierThir02,
author = {Gianluca Antonini and Santiago Venegas and Michel Bierlaire and Jean-Philippe Thiran },
title = {Behavioral Filtering of Human Trajectories for Automatic-Multi-Track Initiation},
institution = {Ecole Polytechnique F\'ed\'erale de Lausanne},
number = {ITS-03-04},
year = {2002}
}