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    Robust Iterative Find-Next-Hit Ray Traversal

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    Date
    2018
    Author
    Wald, Ingo
    Amstutz, Jefferson
    Benthin, Carsten
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    Abstract
    We present two different methods for improving the performance and robustness of ray tracing algorithms that require iterating through multiple successive intersections along the same ray. Our methods do so without ever missing intersections, even in cases of co-planar or numerically close surfaces, and without having to rely on a dedicated all-hit traversal kernel. Furthermore, our evaluation shows that, in many cases, our methods consistently outperform existing all-hit kernels.
    BibTeX
    @inproceedings {pgv.20181092,
    booktitle = {Eurographics Symposium on Parallel Graphics and Visualization},
    editor = {Hank Childs and Fernando Cucchietti},
    title = {{Robust Iterative Find-Next-Hit Ray Traversal}},
    author = {Wald, Ingo and Amstutz, Jefferson and Benthin, Carsten},
    year = {2018},
    publisher = {The Eurographics Association},
    ISSN = {1727-348X},
    ISBN = {978-3-03868-054-3},
    DOI = {10.2312/pgv.20181092}
    }
    URI
    http://dx.doi.org/10.2312/pgv.20181092
    https://diglib.eg.org:443/handle/10.2312/pgv20181092
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