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Spatiotemporal atlas parameterization for evolving meshes

Published: 20 July 2017 Publication History
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  • Abstract

    We convert a sequence of unstructured textured meshes into a mesh with incrementally changing connectivity and atlas parameterization. Like prior work on surface tracking, we seek temporally coherent mesh connectivity to enable efficient representation of surface geometry and texture. Like recent work on evolving meshes, we pursue local remeshing to permit tracking over long sequences containing significant deformations or topological changes. Our main contribution is to show that both goals are realizable within a common framework that simultaneously evolves both the set of mesh triangles and the parametric map. Sparsifying the remeshing operations allows the formation of large spatiotemporal texture charts. These charts are packed as prisms into a 3D atlas for a texture video. Reducing tracking drift using mesh-based optical flow helps improve compression of the resulting video stream.

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    1. Spatiotemporal atlas parameterization for evolving meshes

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      Published In

      cover image ACM Transactions on Graphics
      ACM Transactions on Graphics  Volume 36, Issue 4
      August 2017
      2155 pages
      ISSN:0730-0301
      EISSN:1557-7368
      DOI:10.1145/3072959
      Issue’s Table of Contents
      Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than the author(s) must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected].

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      Publication History

      Published: 20 July 2017
      Published in TOG Volume 36, Issue 4

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      Author Tags

      1. remeshing
      2. spatiotemporal packing
      3. surface tracking
      4. texture video atlas
      5. textured mesh sequences

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