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    From A Medial Surface To A Mesh

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    v31i5pp1637-1646.pdf (1.205Mb)
    Date
    2012
    Author
    Delamé, Thomas
    Roudet, Céline
    Faudot, Dominique
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    Abstract
    Medial surfaces are well-known and interesting surface skeletons. As such, they can describe the topology and the geometry of a 3D closed object. The link between an object and its medial surface is also intuitively understood by people. We want to exploit such skeletons to use them in applications like shape creation and shape deformation. For this purpose, we need to define medial surfaces as Shape Representation Models (SRMs). One of the very first task of a SRM is to offer a visualization of the shape it describes. However, achieving this with a medial surface remains a challenging problem. In this paper, we propose a method to build a mesh that approximates an object only described by a medial surface. To do so, we use a volumetric approach based on the construction of an octree. Then, we mesh the boundary of that octree to get a coarse approximation of the object. Finally, we refine this mesh using an original migration algorithm. Quantitative and qualitative studies, on objects coming from digital modeling and laser scans, shows the efficiency of our method in providing high quality surfaces with a reasonable computational complexity.
    BibTeX
    @article {10.1111:j.1467-8659.2012.03169.x,
    journal = {Computer Graphics Forum},
    title = {{From A Medial Surface To A Mesh}},
    author = {Delamé, Thomas and Roudet, Céline and Faudot, Dominique},
    year = {2012},
    publisher = {The Eurographics Association and Blackwell Publishing Ltd.},
    ISSN = {1467-8659},
    DOI = {10.1111/j.1467-8659.2012.03169.x}
    }
    URI
    http://dx.doi.org/10.1111/j.1467-8659.2012.03169.x
    Collections
    • 31-Issue 5
    • SGP12: Eurographics Symposium on Geometry Processing

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