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[LD+06]  Real-Time Watercolor Illustrations of Plants Using a Blurred Depth Test

Luft:2006:RWI (In proceedings)
Author(s)Luft T. and Deussen O.
Title« Real-Time Watercolor Illustrations of Plants Using a Blurred Depth Test »
InProceedings of the Fourth International Symposium on Non-Photorealistic Animation and Rendering (NPAR 2006, Annecy, France, June 5--7, 2006)
Editor(s)Doug DeCarlo and Lee Markosian
Page(s)11--20
Year2006
PublisherACM Press
AddressNew York
URLhttp://graphics.uni-konstanz.de/~luft/interactive_watercolor/interactive_watercolor_en.html
Editor(s)Doug DeCarlo and Lee Markosian

Abstract
We present techniques to create convincing high-quality watercolor illustrations of plants. Mainly focusing on the real-time rendering, we introduce methods to abstract the visual and geometrical complexity of the original 3D plant models that are obtained from the photorealistic rendering. Additionally, we integrate detail layers to emphasize the structure, the texture, and the lighting. We distinguish between particle based, texture based, and line stroke based detail primitives, which provide a wide application range for the individual tree and plant models. To support smooth transitions and the frame-to-frame coherence during an animation, we introduce a so-called blurred depth test to perform depth comparisons. This blurred depth test is utilized for the visibility computations of the detail primitives and for the creation of a soft shadowing effect. With our techniques, we create an appropriate lighting and shadowing of the scene, and achieve a high frame-to-frame coherence. For the final watercolor appearance, we apply a formerly published approach that is implemented using hardware shaders.

BibTeX code
@inproceedings{Luft:2006:RWI,
  optpostscript = {},
  optorganization = {},
  author = {Thomas Luft and Oliver Deussen},
  optkey = {},
  optannote = {},
  optseries = {},
  editor = {Doug DeCarlo and Lee Markosian},
  url = {http://graphics.uni-konstanz.de/~luft/interactive_watercolor/interactive_watercolor_en.html},
  address = {New York},
  localfile = {papers/Luft.2006.RWI.pdf},
  optisbn = {},
  publisher = {ACM Press},
  optkeywords = {},
  optmonth = {},
  optciteseer = {},
  doi = {http://doi.acm.org/10.1145/1124728.1124732},
  optcrossref = {},
  optwww = {},
  booktitle = NPAR2006,
  optvolume = {},
  optnumber = {},
  abstract = {We present techniques to create convincing high-quality watercolor
              illustrations of plants. Mainly focusing on the real-time
              rendering, we introduce methods to abstract the visual and
              geometrical complexity of the original 3D plant models that are
              obtained from the photorealistic rendering. Additionally, we
              integrate detail layers to emphasize the structure, the texture,
              and the lighting. We distinguish between particle based, texture
              based, and line stroke based detail primitives, which provide a
              wide application range for the individual tree and plant models.
              To support smooth transitions and the frame-to-frame coherence
              during an animation, we introduce a so-called blurred depth test
              to perform depth comparisons. This blurred depth test is utilized
              for the visibility computations of the detail primitives and for
              the creation of a soft shadowing effect. With our techniques, we
              create an appropriate lighting and shadowing of the scene, and
              achieve a high frame-to-frame coherence. For the final watercolor
              appearance, we apply a formerly published approach that is
              implemented using hardware shaders.},
  title = {{R}eal-{T}ime {W}atercolor {I}llustrations of {P}lants {U}sing a
           {B}lurred {D}epth {T}est},
  year = {2006},
  pages = {11--20},
}

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