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Author

  • Weinkauf, Tino (41)
  • Hege, Hans-Christian (31)
  • Theisel, Holger (25)
  • Seidel, Hans-Peter (16)
  • Sahner, Jan (7)
  • Shi, Kuangyu (6)
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  • Reininghaus, Jan (4)
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Combinatorial Feature Flow Fields: Tracking Critical Points in Discrete Scalar Fields (2011)
Reininghaus, Jan ; Kasten, Jens ; Weinkauf, Tino ; Hotz, Ingrid
We propose a combinatorial algorithm to track critical points of 2D time-dependent scalar fields. Existing tracking algorithms such as Feature Flow Fields apply numerical schemes utilizing derivatives of the data, which makes them prone to noise and involve a large number of computational parameters. In contrast, our method is robust against noise since it does not require derivatives, interpolation, and numerical integration. Furthermore, we propose an importance measure that combines the spatial persistence of a critical point with its temporal evolution. This leads to a time-aware feature hierarchy, which allows us to discriminate important from spurious features. Our method requires only a single, easy-to-tune computational parameter and is naturally formulated in an out-of-core fashion, which enables the analysis of large data sets. We apply our method to a number of data sets and compare it to the stabilized continuous Feature Flow Field tracking algorithm.
Efficient Computation of a Hierarchy of Discrete 3D Gradient Vector Fields (2012)
Günther, David ; Reininghaus, Jan ; Prohaska, Steffen ; Weinkauf, Tino ; Hege, Hans-Christian
Extraction of Valley Networks in Mars Elevation Maps (2010)
Günther, David ; McGuire, Patrick C. ; Walter, Sebastian ; Weinkauf, Tino ; Hege, Hans-Christian
Morphological Representations of Vector Fields (2008)
Theisel, Holger ; Weinkauf, Tino
Applications of Texture-Based Flow Visualization (2008)
Laramee, Robert S. ; Erlebacher, Gordon ; Garth, Christoph ; Schafhitzel, Tobias ; Theisel, Holger ; Tricoche, Xavier ; Weinkauf, Tino ; Weiskopf, Daniel
Extraction of Coherent Structures from Natural and Actuated Flows (2010)
Kasten, Jens ; Weinkauf, Tino ; Petz, Christoph ; Hotz, Ingrid ; Noack, Bernd R. ; Hege, Hans-Christian
Separatrix Persistence: Extraction of Salient Edges on Surfaces Using Topological Methods (2009)
Weinkauf, Tino ; Günther, David
Visualizing Transport Structures of Time-Dependent Flow Fields (2008)
Shi, Kuangyu ; Weinkauf, Tino ; Theisel, Holger ; Hege, Hans-Christian ; Seidel, Hans-Peter
Smoke Surfaces: An Interactive Flow Visualization Technique Inspired by Real-World Flow Experiments (2008)
von Funck, Wolfram ; Weinkauf, Tino ; Theisel, Holger ; Hege, Hans-Christian
Finite-Time Transport Structures of Flow Fields (2008)
Shi, Kuangyu ; Theisel, Holger ; Weinkauf, Tino ; Hege, Hans-Christian ; Seidel, Hans-Peter
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