VIRIM: a massively parallel processor for real-time volume visualization in medicine

Authors:
T. Günther;C. Poliwoda;C. Reinhart;J. Hesser;R. Männer;H.-P. Meinzer;H.-J. Baur
Affiliations:
Lehrstuhl für Infonnatik V, Universität Mannheim, Mannheim, Germany;Lehrstuhl für Infonnatik V, Universität Mannheim, Mannheim, Germany;Lehrstuhl für Infonnatik V, Universität Mannheim, Mannheim, Germany;Lehrstuhl für Infonnatik V, Universität Mannheim, Mannheim, Germany;Lehrstuhl für Infonnatik V, Universität Mannheim, Mannheim and Interdisziplinäres Zentrum für Wissenschaftliches Rechnen, Univ. Heidelberg, Heidelberg, Germany;Abt. Med. u. Biolog. Infonnatik, DKFZ Heidelberg, Heidelberg, Germany;Abt. Med. u. Biolog. Infonnatik, DKFZ Heidelberg, Heidelberg, Germany
Venue:
EGGH'94 Proceedings of the Ninth Eurographics conference on Graphics Hardware
Year:
1994

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Abstract

Architecture and applications of a massively parallel processor are described. Volumes of 256×256×128 voxels can be visualized at a frame rate of 10 Hz using volume oriented visualization algorithms. A prototype of the scalable and modular system is currently set up. 3D rotation around an arbilrary rotation axis, perspective, zooming, and arbilrary gray value mapping are provided in real-time. Multiuser access over high-speed networks is possible. A volume oriented visualization algorithm is used that is tailored to the requirements in medicine [5]. With this algorithm, small structures of a size down to the pixel resolution, and structures without defined surfaces can be visualized as well as semitransparent objects. One application of the system is therapy planning in heart surgery.