Mr. Werner Benger Profile

Werner Benger

at Konrad-Zuse-ZIB

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Proceedings Article | 4 June 2004 Paper

Tensor splats

Werner Benger, Hans-Christian Hege

Proceedings Volume 5295, (2004) https://doi.org/10.1117/12.549300

KEYWORDS: Visualization, Diffusion, Volume rendering, Inspection, Brain, Optical spheres, Anisotropy, General relativity, Computer programming, Spherical lenses

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A new general-purpose technique for the visualization of time-dependent Symmetric positive definite tensor fields of rank two is described. It is based on a splatting technique that is built from tiny transparent glyph primitives which are capable of incorporating the full directional information content of a tensor. The result is an information-rich image that allows to read off the preferred directions in a tensor field. It is useful for analyzing slices or volumes of a three-dimensional tensor field and can be overlayed with standard volume rendering or color mapping. The application of the rendering technique is demonstrated on numerically simulated general relativistic data and a measured diffusion tensor field of a human brain.

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