Raúl Mohedano Carlos R. del-Blanco Fernando Jaureguizar Luis Salgado Narciso N. García Robust 3D people tracking and positioning system in a semi-overlapped multi-camera environment. 2656-2659 2008 ICIP http://dx.doi.org/10.1109/ICIP.2008.4712340 conf/icip/2008 db/conf/icip/icip2008.html#MohedanodJSG08