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    Semi-automated Annotation of Repetitive Ornaments on 3D Painted Pottery Surfaces

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    Date
    2020
    Author
    Lengauer, Stefan
    Komar, Alexander
    Karl, Stephan
    Trinkl, Elisabeth
    Sipiran, Ivan
    Schreck, Tobias
    Preiner, Reinhold
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    Abstract
    The creation of drawings from the surface of painted pottery artifacts is an important practice in archaeological research and documentation. Traditional approaches include manual drawings using pen and paper, either directly on the physical surface, or from photographs, while more recent approaches are supported by photography or flattening of 3D digitized objects. Elaborate vase paintings, mostly showing figural scenes, often comprise ornamental decorations in secondary position or in the background, exhibiting repetitive patterns. We propose a tool supporting the creation of archaeological drawings with a semi-automatic extraction of ornamental surface sections, based on a combination of user-defined queries and self-similarity detection. Appropriate heuristics allow to detect the presence and positions of ornamental bands, a frequently occurring scheme, where ornamental primitives are evenly spaced along the tangential direction of a vessel's solid of revolution. Our interactive tool allows domain experts to efficiently select ornamental queries, and assess the quality of resulting similarity detections. First experiments with real world artifacts from ancient Greek and Peruvian cultures confirm the feasibility of the approach.
    BibTeX
    @inproceedings {h.20201285,
    booktitle = {Eurographics Workshop on Graphics and Cultural Heritage},
    editor = {Spagnuolo, Michela and Melero, Francisco Javier},
    title = {{Semi-automated Annotation of Repetitive Ornaments on 3D Painted Pottery Surfaces}},
    author = {Lengauer, Stefan and Komar, Alexander and Karl, Stephan and Trinkl, Elisabeth and Sipiran, Ivan and Schreck, Tobias and Preiner, Reinhold},
    year = {2020},
    publisher = {The Eurographics Association},
    ISSN = {2312-6124},
    ISBN = {978-3-03868-110-6},
    DOI = {10.2312/gch.20201285}
    }
    URI
    https://doi.org/10.2312/gch.20201285
    https://diglib.eg.org:443/handle/10.2312/gch20201285
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    Eurographics Association copyright © 2013 - 2020 
    Send Feedback | Contact - Imprint | Data Privacy Policy | Disable Google Analytics
    Theme by @mire NV
    System hosted at  Graz University of Technology.
    TUGFhA