Human Activities Monitoring at Bus Stops. - Guillaume Gasser; Nathaniel D. Bird; Osama Masoud; Nikolaos Papanikolopoulos (ICRA, 2004)

Detection of loitering individuals in public transportation areas. - Nathaniel D. Bird; Osama Masoud; Nikolaos P. Papanikolopoulos; Aaron Isaacs (IEEE Trans. Intell. Transp. Syst., 2005)

Real time, Online Detection of Abandoned Objects in Public Areas. - Nathaniel D. Bird; Stefan Atev; Nicolas Caramelli; Robert F. K. Martin; Osama Masoud; Nikolaos Papanikolopoulos (ICRA, 2006)

A search and rescue robot. - Sam D. Herbert; Nathaniel D. Bird; Andrew Drenner; Nikolaos Papanikolopoulos (ICRA, 2009)

Placement quality in structured light systems. - Nathaniel D. Bird; Nikolaos Papanikolopoulos (IROS, 2009)

Recognition of traitors in distributed robotic teams. - Nathaniel D. Bird; Nikolaos Papanikolopoulos (ICRA, 2011)

A multi-sensor visual tracking system for behavior monitoring of at-risk children. - Ravishankar Sivalingam; Anoop Cherian; Joshua Fasching; Nicholas Walczak; Nathaniel D. Bird; Vassilios Morellas; Barbara Murphy; Kathryn Cullen; Kelvin O. Lim; Guillermo Sapiro; Nikolaos Papanikolopoulos (ICRA, 2012)

A nonintrusive system for behavioral analysis of children using multiple RGB+depth sensors. - Nicholas Walczak; Joshua Fasching; William D. Toczyski; Ravishankar Sivalingam; Nathaniel D. Bird; Kathryn Cullen; Vassilios Morellas; Barbara Murphy; Guillermo Sapiro; Nikolaos Papanikolopoulos (WACV, 2012)