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    I/O-Conscious Volume Rendering

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    263-272.pdf (100.1Kb)
    Date
    2001
    Author
    Yang, Chuan-Kai
    Chiueh, Tzi-cker
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    Abstract
    Most existing volume rendering algorithms assume that data sets are memory-resident and thus ignore the performance overhead of disk I/O. While this assumption may be true for high-performance graphics machines, it does not hold for most desktop personal workstations. To minimize the end-to-end volume rendering time, this work re-examines implementation strategies of the ray casting algorithm, taking into account both computation and I/O overheads. Specifically, we developed a data-driven execution model for ray casting that achieves the maximum overlap between rendering computation and disk I/O. Together with other performance optimizations, on a 300-MHz Pentium-II machine, without directional shading, our implementation is able to render a 128x128 greyscale image from a 128x128x128 data set with an average end-to-end delay of 1 second, which is very close to the memory-resident rendering time. With a little modification, this work can also be extended to do out-of-core visualization as well.
    BibTeX
    @inproceedings {10.2312:VisSym:VisSym01:263-272,
    booktitle = {Eurographics / IEEE VGTC Symposium on Visualization},
    editor = {David S. Ebert and Jean M. Favre and Ronald Peikert},
    title = {{I/O-Conscious Volume Rendering}},
    author = {Yang, Chuan-Kai and Chiueh, Tzi-cker},
    year = {2001},
    publisher = {The Eurographics Association},
    ISSN = {1727-5296},
    ISBN = {3-211-83674-8},
    DOI = {10.2312/VisSym/VisSym01/263-272}
    }
    URI
    http://dx.doi.org/10.2312/VisSym/VisSym01/263-272
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    Eurographics Association copyright © 2013 - 2023 
    Send Feedback | Contact - Imprint | Data Privacy Policy | Disable Google Analytics
    Theme by @mire NV
    System hosted at  Graz University of Technology.
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