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    Stipple Removal in Extreme-tone Regions

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    Date
    2019
    Author
    Azami, Rosa
    Doyle, Lars ORCID
    Mould, David
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    Abstract
    Conventional tone-preserving stippling struggles with extreme-tone regions. Dark regions require immense quantities of stipples, while light regions become littered with stipples that are distracting and, because of their low density, cannot communicate any image features that may be present. We propose a method to address these problems, augmenting existing stippling methods. We will cover dark regions with solid polygons rather than stipples; in light areas, we both preprocess the image to prevent stipple placement in the very lightest areas and postprocess the stipple distribution to remove stipples that contribute little to the image structure. Our modified stipple images have better visual quality than the originals despite using fewer stipples.
    BibTeX
    @inproceedings {10.2312:exp.20191083,
    booktitle = {ACM/EG Expressive Symposium},
    editor = {Kaplan, Craig S. and Forbes, Angus and DiVerdi, Stephen},
    title = {{Stipple Removal in Extreme-tone Regions}},
    author = {Azami, Rosa and Doyle, Lars and Mould, David},
    year = {2019},
    publisher = {The Eurographics Association},
    ISBN = {978-3-03868-078-9},
    DOI = {10.2312/exp.20191083}
    }
    URI
    https://doi.org/10.2312/exp.20191083
    https://diglib.eg.org:443/handle/10.2312/exp20191083
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    Eurographics Association copyright © 2013 - 2022 
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    Theme by @mire NV
    System hosted at  Graz University of Technology.
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