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[SMG+01]  The Lit Sphere: A Model for Capturing NPR Shading from Art

Sloan:2001:TLS (Article)
Author(s)Sloan P.P., Martin W., Gooch A. and Gooch B.
Title« The Lit Sphere: A Model for Capturing NPR Shading from Art »
JournalProceedings of Graphics Interface 2001 (Ottawa, Canada, 7--9 June 2001)
Page(s)143--150
Year2001
AddressSan Francisco
URLhttp://www.graphicsinterface.org/proceedings/2001/118/
Editor(s)Benjamin Watson and John W. Buchanan

Abstract
While traditional graphics techniques provide for the realistic display of three-dimensional objects, these methods often lack the flexibility to emulate expressive effects found in the works of artists such as Michelangelo and Cezanne. We introduce a technique for capturing custom artistic shading models from sampled art work. Our goal is to allow users to easily generate shading models which give the impression of light, depth, and material properties as accomplished by artists. Our system provides real-time feedback to immediately illustrate aesthetic choices in shading model design, and to assist the user in the exploration of novel viewpoints. We describe rendering algorithms which are easily incorporated into existing shaders, making non-photorealistic rendering of materials such as skin, metal, or even painted objects fast and simple. The flexibility of these methods for generating shading models enables users to portray a large range of materials as well as to capture the look and feel of a work of art. (Color images can be found at http://www.cs.utah.edu/npr/papers/LitSphereHTML).

BibTeX code
@article{Sloan:2001:TLS,
  www = {http://www.cs.utah.edu/npr/papers/LitSphere_HTML/},
  month = jun,
  optnote = {ISBN 0-96888-080-0},
  author = {Peter-Pike Sloan and William Martin and Amy Gooch and Bruce Gooch},
  editor = {Benjamin Watson and John W. Buchanan},
  url = {http://www.graphicsinterface.org/proceedings/2001/118/},
  localfile = {papers/Sloan.2001.TLS.pdf},
  address = {San Francisco},
  publisher = {Morgan Kaufmann},
  journal = GI2001,
  doi = {http://doi.acm.org/10.1145/780986.781004},
  citeseer = {http://citeseer.nj.nec.com/451956.html},
  optstatus = {doi},
  title = {{T}he {L}it {S}phere: {A} {M}odel for {C}apturing {NPR} {S}hading
           from {A}rt},
  abstract = {While traditional graphics techniques provide for the realistic
              display of three-dimensional objects, these methods often lack the
              flexibility to emulate expressive effects found in the works of
              artists such as Michelangelo and Cezanne. We introduce a technique
              for capturing custom artistic shading models from sampled art
              work. Our goal is to allow users to easily generate shading models
              which give the impression of light, depth, and material properties
              as accomplished by artists. Our system provides real-time feedback
              to immediately illustrate aesthetic choices in shading model
              design, and to assist the user in the exploration of novel
              viewpoints. We describe rendering algorithms which are easily
              incorporated into existing shaders, making non-photorealistic
              rendering of materials such as skin, metal, or even painted
              objects fast and simple. The flexibility of these methods for
              generating shading models enables users to portray a large range
              of materials as well as to capture the look and feel of a work of
              art. (Color images can be found at
              http://www.cs.utah.edu/npr/papers/LitSphere_HTML).},
  pages = {143--150},
  year = {2001},
}

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