Interactive Volume Rendering with Ray Tracing

Gerd Marmitt, Heiko Friedrich, and Philipp Slusallek
Eurographics State-of-the-Art Report 2006, Vienna, September 6-8, 2006
[bib], [pdf]


Recent research on high-performance ray tracing has achieved real-time performance even for highly complex
surface models already on a single PC. In this report we provide an overview of techniques for extending real-time
ray tracing also to interactive volume rendering. We review fast rendering techniques for different volume representations
and rendering modes in a variety of computing environments. The physically-based rendering approach
of ray tracing enables high image quality and allows for easily mixing surface, volume, and other primitives in
a scene, while fully accounting for all of their optical interactions. We present optimized implementations and
discuss the use of upcoming high-performance processors for volume ray tracing.