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Virtual Reality


Virtual Reality (VR) allows users to work interactively in a simulated virtual environment. Using large-scale projection, user position tracking and audio techniques, the lab creates a realistic representation of virtual objects and environments. The user can interact and move as he would in the real world.

VR techniques have many application areas, for example in architecture and product design. In these areas, a realistic impression of the object is the main goal. For other areas, such as ergonomics testing or training in the use of complex machinery, a realistic reproduction of the funcionality of objects is more important. Other application areas include safety training, medical diagnostics and operation planning, and digital media productions.

The VR lab at the University of Siegen is unique in that it can be used both for intensive and interactive studies with few participating users, and for expressive presentations for larger groups in an appealing environment.

The technical equipment of the lab includes:

  • A presentation room of 50m² for ca. 30 persons
  • A half-cylindrical back-projection screen with 2.5m radius and 2.6m height
  • A front-projection floor
  • 6 stereoscopic projection channels (4 for the screen, 2 for the floor), each with 2 projectors (DLP, Infitec)
  • Cylindrical warping performed on the graphics processors
  • Optical Tracking with A.R.T IR-cameras
  • Sound setup including HRTF-capable headphone output for fully localizable sound sources
  • Render computer equipped with four NVIDIA GTX Titan Black graphics cards

The VR software framework currently in developement and in active use in our lab is available at github.com/marlam/qvr.



Begutachtete Konferenzbeiträge

[bib] - M. Lambers - Lowering the entry barrier for students programming Virtual Reality applications
In Eurographics - Education Papers, 2016 - [pdf]


Technische Berichte

[bib] - J. Klein, D. Reuling, J. Grimm, A. Pfau, D. Lefloch, M. Lambers, A. Kolb - User Interface for Volume Rendering in Virtual Reality Environments
In Technical Report , Computer Graphics Group, University of Siegen, 2013
 - [pdf]


Begutachtete Konferenzbeiträge

[bib] - M. Lambers, A. Kolb - GPU-Based Framework for Distributed Interactive 3D Visualization of Multimodal Remote Sensing Data
In Proc. Int. IEEE Geoscience and Remote Sensing Symposium (IGARSS), 4, 2009, pages IV-57 - IV-60 - [pdf]


[bib] - A. Kolb, M. Lambers, S. Todt, N. Cuntz, C. Rezk-Salama - Immersive Rear Projection on Curved Screens
In IEEE VR (Poster-Session), 2009 - [pdf]