A scalable architecture for volume rendering

Authors:
Günter Knittel
Affiliations:
Universität Tübingen, Wilhelm-Schickard-Institut für Informatik Graphisch-Interaktive Systeme, Tübingen, Germany
Venue:
EGGH'94 Proceedings of the Ninth Eurographics conference on Graphics Hardware
Year:
1994

Citing 4
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The Visual Computer: International Journal of Computer Graphics
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VVS '94 Proceedings of the 1994 symposium on Volume visualization
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SIGGRAPH '88 Proceedings of the 15th annual conference on Computer graphics and interactive techniques

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Abstract

We describe the operational principles of a scalable hardware accelerator for volume rendering. The basic philosophy is to provide an atomic unit which already provides sophisticated volume graphics at interactive rendering speed. Realtime speed can then be achieved by operating multiple units in parallel. The basic unit consists of just four VLSI chips and the volume memory and thus meets the requirements of a small size and low costs. Nevertheless it provides arbitrary perspective projections (e.g., for walk-throughs), Phong shading, a freely moveable light source, depth-cueing and interactive, non-binary classification (semitransparent display) at a frame rate of about 2.5Hz for 2563 data sets.