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[BWL+04]  IMPaSTo: A Realistic, Interactive Model for Paint

Baxter:2004:IRI (In proceedings)
Author(s)Baxter W., Wendt J. and Lin M.
Title« IMPaSTo: A Realistic, Interactive Model for Paint »
InProceedings of the Third International Symposium on Non-Photorealistic Animation and Rendering (NPAR 2004, Annecy, France, June 7--9, 2004)
Editor(s)Aaron Hertzmann and Craig Kaplan
Page(s)45--56
Year2004
PublisherACM Press
AddressNew York
URLhttp://gamma.cs.unc.edu/IMPaSTo/
Editor(s)Aaron Hertzmann and Craig Kaplan

Abstract
We present a paint model for use in interactive painting systems that captures a wide range of styles similar to oils or acrylics. The model includes both a numerical simulation to recreate the physical flow of paint and an optical model to mimic the paint appearance. Our physical model for paint is based on a conservative advection scheme that simulates the basic dynamics of paint, augmented with heuristics that model the remaining key properties needed for painting. We allow one active wet layer, and an unlimited number of dry layers, with each layer being represented as a height-field. We represent paintings in terms of paint pigments rather than RGB colors, allowing us to relight paintings under any fullspectrum illuminant. We also incorporate an interactive implementation of the Kubelka-Munk diffuse reflectance model, and use a novel eight-component color space for greater color accuracy. We have integrated our paint model into a prototype painting system, with both our physical simulation and rendering algorithms running as fragment programs on the graphics hardware. The system demonstrates the model’s effectiveness in rendering a variety of painting styles from semi-transparent glazes, to scumbling, to thick impasto.

BibTeX code
@inproceedings{Baxter:2004:IRI,
  optorganization = {},
  author = {William Baxter and Jeremy Wendt and Ming C. Lin},
  optkey = {},
  optseries = {},
  editor = {Aaron Hertzmann and Craig Kaplan},
  url = {http://gamma.cs.unc.edu/IMPaSTo/},
  localfile = {papers/Baxter.2004.IRI.pdf},
  address = {New York},
  publisher = {ACM Press},
  doi = {http://doi.acm.org/10.1145/987657.987665},
  optmonth = {},
  opturl = {},
  optcrossref = {},
  booktitle = NPAR2004,
  optstatus = {},
  optvolume = {},
  optnumber = {},
  title = {{IMP}a{ST}o: {A} {R}ealistic, {I}nteractive {M}odel for {P}aint},
  abstract = {We present a paint model for use in interactive painting systems
              that captures a wide range of styles similar to oils or acrylics.
              The model includes both a numerical simulation to recreate the
              physical flow of paint and an optical model to mimic the paint
              appearance. Our physical model for paint is based on a
              conservative advection scheme that simulates the basic dynamics of
              paint, augmented with heuristics that model the remaining key
              properties needed for painting. We allow one active wet layer, and
              an unlimited number of dry layers, with each layer being
              represented as a height-field. We represent paintings in terms of
              paint pigments rather than RGB colors, allowing us to relight
              paintings under any fullspectrum illuminant. We also incorporate
              an interactive implementation of the Kubelka-Munk diffuse
              reflectance model, and use a novel eight-component color space for
              greater color accuracy. We have integrated our paint model into a
              prototype painting system, with both our physical simulation and
              rendering algorithms running as fragment programs on the graphics
              hardware. The system demonstrates the model’s effectiveness in
              rendering a variety of painting styles from semi-transparent
              glazes, to scumbling, to thick impasto.},
  year = {2004},
  pages = {45--56},
}

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