José Melo Andrew Naftel Alexandre Bernardino José Santos-Victor Viewpoint Independent Detection of Vehicle Trajectories and Lane Geometry from Uncalibrated Traffic Surveillance Cameras. 454-462 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3212&spage=454 2004 conf/iciar/2004-2 ICIAR (2) db/conf/iciar/iciar2004-2.html#MeloNBS04