Christian Luksch, Robert F. Tobler, Ralf Habel, Michael Schwärzler, Michael WimmerORCID iD
Fast Light-Map Computation with Virtual Polygon Lights
In Proceedings of ACM Symposium on Interactive 3D Graphics and Games 2013, pages 87-94. March 2013.
[draft]

Thomas Auzinger, Ralf Habel, Andreas Musilek, Dieter Hainz, Michael WimmerORCID iD
GeigerCam: Measuring Radioactivity with Webcams
Poster shown at ACM SIGGRAPH 2012 ( 5. August 2012- 9. August 2012) In ACM SIGGRAPH 2012 Posters , pages 40:1-40:1.
[Poster]

Ralf Habel, Michael Kudenov, Michael WimmerORCID iD
Practical Spectral Photography
Computer Graphics Forum (Proceedings EUROGRAPHICS 2012), 31(2):449-458, May 2012. [Draft]

Ralf Habel, Anders Nilsson, Michael WimmerORCID iD
Level-of-Detail and Streaming Optimized Irradiance Normal Mapping
In GPU Pro 2, pages 143-158, February 2011

Ralf Habel
Real-Time Rendering and Animation of Vegetation
In 14th International Conference on System Theory and Control (Joint conference of SINTES14, SACCS10, SIMSIS14), pages 231-236. October 2010.

Ralf Habel, Michael WimmerORCID iD
Efficient Irradiance Normal Mapping
In Proceedings of the ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games 2010, pages 189-195. February 2010.
[paper]

Ralf Habel, Alexander Kusternig
Real-Time Rendering and Animation of Trees

Ralf Habel, Alexander Kusternig, Michael WimmerORCID iD
Physically Guided Animation of Trees
Computer Graphics Forum (Proceedings EUROGRAPHICS 2009), 28(2):523-532, March 2009. [draft]

Ralf Habel
Real-time Rendering and Animation of Vegetation
Supervisor: Michael WimmerORCID iD
Duration: May 2005 — March 2009
[Thesis]

Ralf Habel
Real-time Rendering and Animation of Vegetation: Advances in displaying vegetation for interactive applications. Suedwestdeutscher Verlag fuer Hochschulschriften, 2009.

Ralf Habel, Bogdan Mustata, Michael WimmerORCID iD
Efficient Spherical Harmonics Lighting with the Preetham Skylight Model
In Eurographics 2008 - Short Papers, pages 119-122. April 2008.
[Preprint]

Ralf Habel, Alexander Kusternig, Michael WimmerORCID iD
Physically Based Real-Time Translucency for Leaves
In Rendering Techniques 2007 (Proceedings Eurographics Symposium on Rendering), pages 253-263. June 2007.
[Preprint]

Ralf Habel, Michael WimmerORCID iD, Stefan Jeschke
Instant Animated Grass
Journal of WSCG, 15(1-3):123-128, January 2007. [Preprint]

Ralf Habel
X-mas 2007