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
Brightness of screen
Pm = fS( – /2, D )
Pn = fS( + /2, D )
fS( , D ) gives the brightness at C.
Brightness of screen
Panning Panning + Tilting
Look of our system Framework of our systemLook of our system Framework of our systemCamera
Projector
Screen
Map Viewer
Map Viewer Map Viewer (our system + Google Earth)(our system + Google Earth)
Map Viewer
Panning the projectorRight 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