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    Pre-Integrated Volume Rendering for Multi-Dimensional Transfer Functions

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    097-104.pdf (221.6Kb)
    Date
    2008
    Author
    Kraus, M.
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    Abstract
    This work presents an efficient extension of pre-integrated volume rendering for multi-dimensional transfer functions. Since even two-dimensional transfer functions can result in strong rendering artifacts that cannot be resolved by standard ray casting, we propose a space-covering volume sampling scheme that does not require additional samples of the volume data. Based on this sampling scheme, our approach computes box integrals of the transfer functions, which are evaluated with the help of a small number of texture lookups in tabulated integral functions. We demonstrate the achieved performance and improvements in image quality with a prototypical GPU (graphics processing unit) implementation.
    BibTeX
    @inproceedings {10.2312:VG:VG-PBG08:097-104,
    booktitle = {IEEE/ EG Symposium on Volume and Point-Based Graphics},
    editor = {Hans-Christian Hege and David Laidlaw and Renato Pajarola and Oliver Staadt},
    title = {{Pre-Integrated Volume Rendering for Multi-Dimensional Transfer Functions}},
    author = {Kraus, M.},
    year = {2008},
    publisher = {The Eurographics Association},
    ISSN = {1727-8376},
    ISBN = {978-3-905674-12-5},
    DOI = {10.2312/VG/VG-PBG08/097-104}
    }
    URI
    http://dx.doi.org/10.2312/VG/VG-PBG08/097-104
    Collections
    • VG-PBG08: Eurographics/IEEE VGTC on Volume and Point-Based Graphics
    • VG-PBG08: Eurographics/IEEE VGTC on Volume and Point-Based Graphics

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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.
    TUGFhA