“…In recent years, it has been introduced in many different areas, mainly to visualize both virtual data and real environments all together. Such emerging areas include education (Kaufmann and Schmalstieg, 2003;Portalés Ricart et al, 2007), entertainment (Cheok et al, 2003;Wagner et al, 2004), GIS (King et al, 2005), media arts (Benford et al, 2006;Levin, 2006), psychology (Juan et al, 2005), robotics (Stilman et al, 2005), surgery (Glossop and Wang, 2003;Wacker et al, 2005) and urban planning (Ben-Joseph et al, 2001;Portalés Ricart et al, 2005), amongst others. The dizzily increasing number of AR applications in the last few years is due to the new potential that this technology brings.…”