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    Towards Sparse and Multiplexed Acquisition of Material BTFs

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    Date
    2017
    Author
    Brok, Dennis den
    Weinmann, Michael
    Klein, Reinhard
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    Abstract
    We present preliminary results on our effort to combine sparse and illumination-multiplexed acquisition of bidirectional texture functions (BTFs) for material appearance. Both existing acquisition paradigms deal with a single specific problem: the desire to reduce either the number of images to be obtained while maintaining artifact-free renderings, or the shutter times required to capture the full dynamic range of a material's appearance. These problems have so far been solved by means of data-driven models. We demonstrate that the way these models are derived prevents combined sparse and multiplexed acquisition, and introduce a novel model that circumvents this obstruction. As a result, we achieve acquisition times on the order of minutes in comparison to the few hours required with sparse acquisition or multiplexed illumination.
    BibTeX
    @inproceedings {mam.20171326,
    booktitle = {Workshop on Material Appearance Modeling},
    editor = {Reinhard Klein and Holly Rushmeier},
    title = {{Towards Sparse and Multiplexed Acquisition of Material BTFs}},
    author = {Brok, Dennis den and Weinmann, Michael and Klein, Reinhard},
    year = {2017},
    publisher = {The Eurographics Association},
    ISSN = {2309-5059},
    ISBN = {978-3-03868-035-2},
    DOI = {10.2312/mam.20171326}
    }
    URI
    http://dx.doi.org/10.2312/mam.20171326
    https://diglib.eg.org:443/handle/10.2312/mam20171326
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