Interaction with and visualization of three-dimensional (3D) information
has wide reaching applications and is becoming increasingly
critical due to advancements in computer graphics and design
that have made 3D data sources abundant and accessible.
As video processing technology advances to the state of direct
3D data capture and view-point synthesis, 3D data sources have
the potential to become standard means of visual communication.
Various types of display technology for viewing 3D information
have been proposed; however widely accessible, commercially
viable 3D display technology has yet to be developed that
is perspective-corrected, supports multiple people and has multitouch
interaction. One class of 3D display technology that has potential
in this area is called Fish Tank Virtual Reality (FTVR) [1].
While historically used on single, flat screen, we have extended
the approach to use blended multiple pico-projectors mounted under
a translucent spherical screen projecting from inside to the
surface as shown in Figure 1. By doing this, a user can see 3D
content from any almost any viewpoint around the sphere with no
interference and have horizontal and vertical motion parallax for
a compelling 3D view