An object-oriented 3D graphics toolkit
SIGGRAPH '92 Proceedings of the 19th annual conference on Computer graphics and interactive techniques
Surround-screen projection-based virtual reality: the design and implementation of the CAVE
SIGGRAPH '93 Proceedings of the 20th annual conference on Computer graphics and interactive techniques
Merging real and virtual environments with video see-through head-mounted displays
Merging real and virtual environments with video see-through head-mounted displays
Calibration for augmented reality experimental testbeds
I3D '99 Proceedings of the 1999 symposium on Interactive 3D graphics
The studierstube augmented reality project
Presence: Teleoperators and Virtual Environments
A Method for Calibrating See-Through Head-Mounted Displays for AR
IWAR '99 Proceedings of the 2nd IEEE and ACM International Workshop on Augmented Reality
Comprehensive calibration and registration procedures for augmented reality
EGVE'01 Proceedings of the 7th Eurographics conference on Virtual Environments & 5th Immersive Projection Technology
Practical calibration procedures for augmented reality
EG VE'00 Proceedings of the 6th Eurographics conference on Virtual Environments
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The working volume of a Mixed Reality (MR) system - which superimposes the real environment with computer-generated virtual content - strongly depends upon the output/display device used. Single screen projection systems like the Barco Baron Table or the FakeSpace ImmersaDesk M seem rather limited regarding their working volume when compared with the CAVE, which is the only projection-based MR installation providing a wide range of viewing directions. We show how the working volume of such projection based MR systems can be extended by tracking not only the user, but also the projection screen and demonstrate how the tilting mechanism of a standard Barco Baron Table can be used to enlarge the range of usable viewing directions of the system. We also give a description of the complete calibration procedure and set-up necessary to employ this concept with any movable back projection system.