Illustrative Context-Preserving Volume Rendering
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Date
2005
Journal Title
Journal ISSN
Volume Title
Publisher
The Eurographics Association
Abstract
In volume rendering it is very difficult to simultaneously visualize interior and exterior structures while preserving clear shape cues. Very 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 that 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.
Description
@inproceedings{10.2312:VisSym/EuroVis05/069-076,
booktitle = {EUROVIS 2005: Eurographics / IEEE VGTC Symposium on Visualization},
editor = {Ken Brodlie and David Duke and Ken Joy},
title = {{Illustrative Context-Preserving Volume Rendering}},
author = {Bruckner, Stefan and Grimm, Sören and Kanitsar, Armin and Gröller, M. Eduard},
year = {2005},
publisher = {The Eurographics Association},
ISSN = {1727-5296},
ISBN = {3-905673-19-3},
DOI = {10.2312/VisSym/EuroVis05/069-076}
}