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Issue No.02 - March/April (2004 vol.10)
pp: 198-205
Bernd Hamann , IEEE Computer Society
Kenneth I. Joy , IEEE Computer Society
ABSTRACT
<p><b>Abstract</b>—We present a new method for topological segmentation in steady three-dimensional vector fields. Depending on desired properties, the algorithm replaces the original vector field by a derived segmented data set, which is utilized to produce separating surfaces in the vector field. We define the concept of a segmented data set, develop methods that produce the segmented data by sampling the vector field with streamlines, and describe algorithms that generate the separating surfaces. This method is applied to generate local separatrices in the field, defined by a movable boundary region placed in the field. The resulting partitions can be visualized using standard techniques for a visualization of a vector field at a higher level of abstraction.</p>
INDEX TERMS
Vector fields, flow fields, streamsurfaces, separatrices, segmentation.
CITATION
Karim Mahrous, Janine Bennett, Gerik Scheuermann, Bernd Hamann, Kenneth I. Joy, "Topological Segmentation in Three-Dimensional Vector Fields", IEEE Transactions on Visualization & Computer Graphics, vol.10, no. 2, pp. 198-205, March/April 2004, doi:10.1109/TVCG.2004.1260771
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