Illustrative Volume Visualization Using GPU-Based Particle Systems

Roy van Pelt, Anna Vilanova, Huub van de Wetering
Department of Biomedical Engineering, Biomedical Image Analysis, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
IEEE Transactions on Visualization and Computer Graphics, 2010


   title={Illustrative Volume Visualization Using GPU-Based Particle Systems},

   author={van Pelt, R. and Vilanova, A. and van de Wetering, H.},

   journal={IEEE transactions on visualization and computer graphics},



   publisher={Published by the IEEE Computer Society},



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Illustrative techniques are generally applied to produce stylized renderings. Various illustrative styles have been applied to volumetric data sets, producing clearer images and effectively conveying visual information. We adopt particle systems to produce user-configurable stylized renderings from the volume data, imitating traditional pen-and-ink drawings. In the following, we present an interactive GPU-based illustrative volume rendering framework, called VolFliesGPU. In this framework, isosurfaces are sampled by evenly distributed particle sets, delineating surface shape by illustrative styles. The appearance of these styles is based on locally-measured surface properties. For instance, hatches convey surface shape by orientation and shape characteristics are enhanced by color, mapped using a curvature-based transfer function. Hidden-surfaces are generally removed to avoid visual clutter, after that a combination of styles is applied per isosurface. Multiple surfaces and styles can be explored interactively, exploiting parallelism in both graphics hardware and particle systems. We achieve real-time interaction and prompt parametrization of the illustrative styles, using an intuitive GPGPU paradigm that delivers the computational power to drive our particle system and visualization algorithms.
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