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Illustrative Context-Preserving Exploration of Volume Data

Stefan Bruckner, Sören Grimm, Armin Kanitsar, Meister Eduard Gröller

JOURNAL ARTICLE: IEEE Transactions on Visualization and Computer Graphics, vol. 12, no. 6, pp. 1559–1569, 2006.

Abstract

In volume rendering it is very difficult to simultaneously visualize interior and exterior structures while preserving clear shape cues. Highly transparent transfer functions produce cluttered images with many overlapping structures, while clipping techniques completely remove possibly important context information. In this paper we present a new model for volume rendering, inspired by techniques from illustration. It provides a means of interactively inspecting the interior of a volumetric data set in a feature-driven way which retains context information. The context-preserving volume rendering model uses a function of shading intensity, gradient magnitude, distance to the eye point, and previously accumulated opacity to selectively reduce the opacity in less important data regions. It is controlled by two user-specified parameters. This new method represents an alternative to conventional clipping techniques, shares their easy and intuitive user control, but does not suffer from the drawback of missing context information.

Published

IEEE Transactions on Visualization and Computer Graphics

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BibTeX

@ARTICLE{Bruckner-2006-ICE,
  author = {Stefan Bruckner and S{\"o}ren Grimm and Armin Kanitsar and Meister
	Eduard Gr{\"o}ller},
  title = {Illustrative Context-Preserving Exploration of Volume Data},
  journal = {IEEE Transactions on Visualization and Computer Graphics},
  year = {2006},
  volume = {12},
  pages = {1559--1569},
  number = {6},
  month = nov,
  abstract = {In volume rendering it is very difficult to simultaneously visualize
	interior and exterior structures while preserving clear shape cues.
	Highly transparent transfer functions produce cluttered images with
	many overlapping structures, while clipping techniques completely
	remove possibly important context information. In this paper we present
	a new model for volume rendering, inspired by techniques from illustration.
	It provides a means of interactively inspecting the interior of a
	volumetric data set in a feature-driven way which retains context
	information. The context-preserving volume rendering model uses a
	function of shading intensity, gradient magnitude, distance to the
	eye point, and previously accumulated opacity to selectively reduce
	the opacity in less important data regions. It is controlled by two
	user-specified parameters. This new method represents an alternative
	to conventional clipping techniques, shares their easy and intuitive
	user control, but does not suffer from the drawback of missing context
	information.},
  issn = {1077-2626},
  keywords = {focus+context techniques, volume rendering, illustrative visualization},
  url = {http://www.cg.tuwien.ac.at/research/publications/2006/bruckner-2006-ICE/}
}






 Last Modified: Stefan Bruckner, 2014-01-17