Background Screen Projector - One projector - - Two projectors - - Tiled projectors -
Screen Projector A user is allowed to hold up a projector and turn it freely. Aim of this study
Brightness of screen
Pm = f S ( – /2, D ) Pn = f S ( + /2, D ) f S (, D ) gives the brightness at C.
Brightness of screen Panning Panning + Tilting
Look of our system Framework of our system Camera Projector Screen Map Viewer
Map Viewer (our system + Google Earth) Map Viewer Panning the projector Right and Left A user is allowed to see the map by handling the projector. Stepping back
Technique to locate a projector by using difference in brightness on the screen. Map Viewer to see the map by handling the projector. Conclusions