Memory-Efficient On-The-Fly Voxelization of Particle Data

dc.contributor.authorZirr, Tobiasen_US
dc.contributor.authorDachsbacher, Carstenen_US
dc.contributor.editorC. Dachsbacher and P. Navrátilen_US
dc.date.accessioned2015-05-24T19:41:04Z
dc.date.available2015-05-24T19:41:04Z
dc.date.issued2015en_US
dc.description.abstractIn this paper we present a novel GPU-friendly real-time voxelization technique for rendering homogeneous media that is defined by particles, e.g. fluids obtained from particle-based simulations such as Smoothed Particle Hydrodynamics (SPH). Our method computes view-adaptive binary voxelizations with on-the-fly compression of a tiled perspective voxel grid, achieving higher resolutions than previous approaches. It allows for interactive generation of realistic images, enabling advanced rendering techniques such as ray casting-based refraction and reflection, light scattering and absorption, and ambient occlusion. In contrast to previous methods, it does not rely on preprocessing such as expensive, and often coarse, scalar field conversion or mesh generation steps. Our method directly takes unsorted particle data as input. It can be further accelerated by identifying fully populated simulation cells during simulation. The extracted surface can be filtered to achieve smooth surface appearance.en_US
dc.description.sectionheadersEfficient Representationsen_US
dc.description.seriesinformationEurographics Symposium on Parallel Graphics and Visualizationen_US
dc.identifier.doi10.2312/pgv.20151150en_US
dc.identifier.pages11-18en_US
dc.identifier.urihttps://doi.org/10.2312/pgv.20151150en_US
dc.publisherThe Eurographics Associationen_US
dc.subjectI.3.7 [Computer Graphics]en_US
dc.subjectThree Dimensional Graphics and Realismen_US
dc.subjectRaytracingen_US
dc.titleMemory-Efficient On-The-Fly Voxelization of Particle Dataen_US
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