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[Rad99]  View-Dependent Geometry

Rademacher:1999:VDG (In proceedings)
Author(s)Rademacher P.
Title« View-Dependent Geometry »
InProceedings of ACM SIGGRAPH 99 (Los Angeles, CA, August 8--13, 1999)
SeriesComputer Graphics Proceedings, Annual Conference Series
Editor(s)Alyn Rockwood
Page(s)439--446
Year1999
PublisherACM Press/ACM SIGGRAPH
AddressNew York
Editor(s)Alyn Rockwood

Abstract
When constructing 3D geometry for use in cel animation, the reference drawings of the object or character often contain various view-specific distortions, which cannot be captured with conventional 3D models. In this work we present a technique called View-Dependent Geometry, wherein a 3D model changes shape based on the direction it is viewed from. A view-dependent model consists of a base model, a set of key deformations (deformed versions of the base model), and a set of corresponding key viewpoints (which relate each 2D reference drawing to the 3D base model). Given an arbitrary viewpoint, our method interpolates the key deformations to generate a 3D model that is specific to the new viewpoint, thereby capturing the view-dependent distortions of the reference drawings.

BibTeX code
@inproceedings{Rademacher:1999:VDG,
  optcitations =
                  {Beier:1992:FI,Fekete:1995:TPS,Gooch:1997:NPL,Litwinowicz:1991:IAS,Markosian:1997:RTN,Raskar:1999:IPS,Sederberg,1986:FFD,Wood:1997:MPC},
  optorganization = {},
  author = {Paul Rademacher},
  series = CGPACS,
  editor = {Alyn Rockwood},
  localfile = {papers/Rademacher.1999.VDG.pdf},
  address = {New York},
  optkeywords = {Cartoon animation, 3D animation, rendering, animation systems,
                 non-photorealistic rendering, 3D blending},
  publisher = {ACM Press/ACM SIGGRAPH},
  doi = {http://doi.acm.org/10.1145/311535.311612},
  citeseer = {http://citeseer.nj.nec.com/242485.html},
  booktitle = SIGGRAPH99,
  optstatus = {OK},
  title = {{V}iew-{D}ependent {G}eometry},
  abstract = {When constructing 3D geometry for use in cel animation, the
              reference drawings of the object or character often contain
              various view-specific distortions, which cannot be captured with
              conventional 3D models. In this work we present a technique called
              View-Dependent Geometry, wherein a 3D model changes shape based on
              the direction it is viewed from. A view-dependent model consists
              of a base model, a set of key deformations (deformed versions of
              the base model), and a set of corresponding key viewpoints (which
              relate each 2D reference drawing to the 3D base model). Given an
              arbitrary viewpoint, our method interpolates the key deformations
              to generate a 3D model that is specific to the new viewpoint,
              thereby capturing the view-dependent distortions of the reference
              drawings.},
  pages = {439--446},
  year = {1999},
}

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