Visualizing Uncertainty in HARDI Tractography Using Superquadric Streamtubes

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dc.contributor.authorWiens, Vitalisen_US
dc.contributor.authorSchlaffke, Laraen_US
dc.contributor.authorSchmidt-Wilcke, Tobiasen_US
dc.contributor.authorSchultz, Thomasen_US
dc.contributor.editorN. Elmqvist and M. Hlawitschka and J. Kennedyen_US
dc.date.accessioned2014-12-16T07:21:05Z
dc.date.available2014-12-16T07:21:05Z
dc.date.issued2014en_US
dc.description.abstractStandard streamtubes for the visualization of diffusion MRI data are rendered either with a circular or with anelliptic cross section whose aspect ratio indicates the relative magnitudes of the medium and minor eigenvalues.Inspired by superquadric tensor glyphs, we propose to render streamtubes with a superquadric cross section,which develops sharp edges to more clearly convey the orientation of the second and third eigenvectors where theyare uniquely defined, while maintaining a circular shape when the smaller two eigenvalues are equal. As a secondcontribution, we apply our novel superquadric streamtubes to visualize uncertainty in the tracking direction ofHARDI tractography, which we represent using a novel propagation uncertainty tensoren_US
dc.description.seriesinformationEuroVis - Short Papersen_US
dc.identifier.isbn978-3-905674-69-9en_US
dc.identifier.urihttps://doi.org/10.2312/eurovisshort.20141154en_US
dc.publisherThe Eurographics Associationen_US
dc.subjectComputer Graphics [I.3.8]en_US
dc.subjectApplicationsen_US
dc.titleVisualizing Uncertainty in HARDI Tractography Using Superquadric Streamtubesen_US
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