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[MT+01]  Rendering Silhouettes with Virtual Lights

Martin:2001:RSV (Article)
Author(s)Martín D. and Torres J.C.
Title« Rendering Silhouettes with Virtual Lights »
JournalComputer Graphics Forum
Volume20
Number4
Page(s)271--282
Year2001
URLhttp://www.eg.org/EG/CGF/Volume20/Issue4/CGF554.html

Abstract & Keywords
We present a new method for obtaining non-photorealistic images. These images have two main visual components: silhouettes and non-realistic colouring. Silhouettes are lines that define the form of an object. They are used in classical animation and illustration as the main expressive components. In these applications, if it is necessary, colouring can be added once the drawings are made. For instance, generally, in illustration, colouring is flat and does not transmit volume information whilst silhouettes do it in an economical way. The proposed method is based on the Virtual Lights model, which allows us to use external components, the virtual lights, to define silhouettes. In this way, the designer is free to control where, when and how the silhouettes must appear. The method can be used with B-rep geometric models.

Keywords: sillhouette extraction

BibTeX code
@article{Martin:2001:RSV,
  number = {4},
  optnote = {},
  author = {Domingo Mart{\'{\i}}n and Juan Carlos Torres},
  optkey = {},
  optannote = {},
  keywords = {sillhouette extraction},
  url = {http://www.eg.org/EG/CGF/Volume20/Issue4/CGF554.html},
  localfile = {papers/Martin.2001.RSV.pdf},
  journal = j-CGF,
  doi = {http://dx.doi.org/10.1111/1467-8659.00554},
  optmonth = {},
  volume = {20},
  optstatus = {doi},
  title = {{R}endering {S}ilhouettes with {V}irtual {L}ights},
  abstract = {We present a new method for obtaining non-photorealistic images.
              These images have two main visual components: silhouettes and
              non-realistic colouring. Silhouettes are lines that define the
              form of an object. They are used in classical animation and
              illustration as the main expressive components. In these
              applications, if it is necessary, colouring can be added once the
              drawings are made. For instance, generally, in illustration,
              colouring is flat and does not transmit volume information whilst
              silhouettes do it in an economical way. The proposed method is
              based on the Virtual Lights model, which allows us to use external
              components, the virtual lights, to define silhouettes. In this
              way, the designer is free to control where, when and how the
              silhouettes must appear. The method can be used with B-rep
              geometric models.},
  pages = {271--282},
  year = {2001},
}

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