• DocumentCode
    1847789
  • Title

    Conversion of point-sampled models to textured meshes

  • Author

    Wicke, Martin ; Olibet, Sandro ; Gross, Markus

  • Author_Institution
    Eidgenossische Tech. Hochschule, Zurich, Switzerland
  • fYear
    2005
  • fDate
    20-21 June 2005
  • Firstpage
    119
  • Lastpage
    147
  • Abstract
    We present an algorithm to convert point-sampled objects to textured meshes. The output mesh carries the geometric information present in the input model, while information about color and other surface attributes is separated and stored in textures. The point cloud is triangulated and decimated so it adequately represents the object geometry. Using EWA splatting, we compute textures patches for all triangles in the mesh. In an iterative process, the size of the texture patches is chosen adaptively such that texture information is preserved during the conversion. The texture filtering capabilities of EWA splatting ensure that no texture aliasing occurs. Finally, the texture patches are compiled into a texture atlas. Aside from colors, other surface attributes can be treated similarly. Normal maps can be computed to allow for further simplification of the output mesh while maintaining high visual quality.
  • Keywords
    computational geometry; image sampling; image texture; mesh generation; ray tracing; rendering (computer graphics); EWA splatting; object geometry; point-sampled object; texture filtering; textured mesh; Clouds; Error correction; Filtering; Geometry; Sampling methods; Size control; Solid modeling; Surface cleaning; Surface texture; Surface treatment;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Point-Based Graphics, 2005. Eurographics/IEEE VGTC Symposium Proceedings
  • ISSN
    1511-7813
  • Print_ISBN
    3-905673-20-7
  • Type

    conf

  • DOI
    10.1109/PBG.2005.194072
  • Filename
    1500326