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Relation-Aware Isosurface Extraction in Multifield Data

Nagaraj, Suthambhara and Natarajan, Vijay (2011) Relation-Aware Isosurface Extraction in Multifield Data. In: IEEE Transactions on Visualization and Computer Graphics, 17 (2). pp. 182-191.

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We introduce a variation density function that profiles the relationship between multiple scalar fields over isosurfaces of a given scalar field. This profile serves as a valuable tool for multifield data exploration because it provides the user with cues to identify interesting isovalues of scalar fields. Existing isosurface-based techniques for scalar data exploration like Reeb graphs, contour spectra, isosurface statistics, etc., study a scalar field in isolation. We argue that the identification of interesting isovalues in a multifield data set should necessarily be based on the interaction between the different fields. We demonstrate the effectiveness of our approach by applying it to explore data from a wide variety of applications.

Item Type: Journal Article
Publication: IEEE Transactions on Visualization and Computer Graphics
Publisher: IEEE
Additional Information: Copyright 2011 IEEE. Personal use of this material is permitted.However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Keywords: Isosurface statistics;isocontours; variation density profile; persistence;multifield data
Department/Centre: Division of Electrical Sciences > Computer Science & Automation
Division of Interdisciplinary Sciences > Supercomputer Education & Research Centre
Date Deposited: 12 Jan 2011 10:58
Last Modified: 19 Apr 2011 10:29
URI: http://eprints.iisc.ac.in/id/eprint/34906

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