Marauders light
Markus Löchtefeld, Johannes Schöning, Michael Rohs, Antonio Krüger · 2009
Classic paper-based maps provide high-resolution, large-scale information and are ubiquitous in larger cities and even outdoors. In this paper we present a combination of their advantages with a mobile camera projector unit to create a new mobile and intuitive buddy finder interface. Current friend or buddy finder systems on mobile phones such as Google Latitude suffer from the small screen estate and display size of mobile devices. To overcome this problem we use a lightweight mobile camera projector unit to augment the paper map with a projected overlay of the buddies' positions. By using digital and geo-referenced representations of public maps no extra preperation for the tracking is needed. The idea is presented by enhancing Google Latitude, which allows users to browse the positions of their friends, to project the positions directly on the paper map without the cumbersome panning and zooming of a digital map on a small display.