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VTK DTI Functionality

VTK DTI Functionality. Will Schroeder, Kitware, Inc. http://na-mic.org. VTK Support. In 1993, aimed at Tensor Visualization 3x3 real symmetric matrices Tensor ellipsoids Hyperstreamlines Specialized numerics support (e.g., eigenvector extraction). Examples. Subsequently.

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VTK DTI Functionality

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  1. VTK DTI Functionality Will Schroeder, Kitware, Inc. http://na-mic.org

  2. VTK Support • In 1993, aimed atTensor Visualization • 3x3 real symmetric matrices • Tensor ellipsoids • Hyperstreamlines • Specialized numerics support (e.g., eigenvector extraction)

  3. Examples

  4. Subsequently • Most work performed by non-VTK authors • Derivatives of vtkStreamTracer • Programmable glyphs • Superquadrics

  5. Examples Thanks Mike Halle / Brigham Thanks Guido Gerig / UNC

  6. Extensions (0) • VTK is about • Creating graphical representations • Rendering these representations • Interacting with these representations • Data structures • Compact • Simple • Efficient (interactivity is important)

  7. Extensions (1) • Transformation / Coordinate Systems • Data structures • Stream tracing • More efficient algorithms • Extended for additional imaging information (not just vector-based) • Glyphs • New types • Representations • Rendering performance

  8. Extensions (2) • Algorithmic extensions • LIC • Vector topology • Animation • Widgets • Interactively probing, viewing andmanipulating data • Analogous to segmentation / registration widgets (A2D2’s funded by Dr. Yoo at NLM) LIC Line widget for streamline probing

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