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Style Transfer Functions for Illustrative Volume Rendering

Stefan Bruckner, M. Eduard Gröller

JOURNAL ARTICLE: Computer Graphics Forum, vol. 26, no. 3, pp. 715–724, 2007. Eurographics 2007 3rd Best Paper Award. DOI: 10.1111/j.1467-8659.2007.01095.x

Abstract

Illustrative volume visualization frequently employs non-photorealistic rendering techniques to enhance important features or to suppress unwanted details. However, it is difficult to integrate multiple non-photorealistic rendering approaches into a single framework due to great differences in the individual methods and their parameters. In this paper, we present the concept of style transfer functions. Our approach enables flexible data-driven illumination which goes beyond using the transfer function to just assign colors and opacities. An image-based lighting model uses sphere maps to represent non-photorealistic rendering styles. Style transfer functions allow us to combine a multitude of different shading styles in a single rendering. We extend this concept with a technique for curvature-controlled style contours and an illustrative transparency model. Our implementation of the presented methods allows interactive generation of high-quality volumetric illustrations.

Published

Computer Graphics Forum

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BibTeX

@ARTICLE{Bruckner-2007-STF,
  author = {Stefan Bruckner and M. Eduard Gr{\"o}ller},
  title = {Style Transfer Functions for Illustrative Volume Rendering},
  journal = {Computer Graphics Forum},
  year = {2007},
  volume = {26},
  pages = {715--724},
  number = {3},
  month = sep,
  note = {Eurographics 2007 3rd Best Paper Award},
  abstract = {Illustrative volume visualization frequently employs non-photorealistic
	rendering techniques to enhance important features or to suppress
	unwanted details. However, it is difficult to integrate multiple
	non-photorealistic rendering approaches into a single framework due
	to great differences in the individual methods and their parameters.
	In this paper, we present the concept of style transfer functions.
	Our approach enables flexible data-driven illumination which goes
	beyond using the transfer function to just assign colors and opacities.
	An image-based lighting model uses sphere maps to represent non-photorealistic
	rendering styles. Style transfer functions allow us to combine a
	multitude of different shading styles in a single rendering. We extend
	this concept with a technique for curvature-controlled style contours
	and an illustrative transparency model. Our implementation of the
	illustrations.},
  doi = {10.1111/j.1467-8659.2007.01095.x},
  event = {Eurographics 2007},
  keywords = {illustrative visualization, transfer functions, volume rendering},
  location = {Prague, Czech Republic},
  url = {http://www.cg.tuwien.ac.at/research/publications/2007/bruckner-2007-STF/}
}






 Last Modified: Stefan Bruckner, 2014-09-16