Interactive Design of Multidimensional Data Projection Layout (English)

in EuroVis - Short Papers
EuroVis - Short Papers

Projection methods support effective visualizations of multidimensional data. Linear projections are an importantsubclass, as they allow for interactive visual exploration of the data space and feature sensitivity analysis. Theuser interaction is usually based on an iterative modification of the projection matrix elements, for example, by theuse of a star coordinate widget. However, such interaction mechanisms become inefficient with increasing numberof dimensions. We propose to adapt the projection matrix by allowing the user to directly operate on the projectiondomain. The desired configuration of the projection layout is obtained by adjusting the positions of (freely chosen)control points. The update of the projection matrix is performed according to the interactive modifications bycomputing a least-square solution of a linear equation system. Changes can be tracked easily using animation. Weapply our method to classified multidimensional data and demonstrate that our approach allows for an intuitiveand effective design of projections with desired properties like improved class segregation or reduced clutter.

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Abdul-Rahman, Alfie / Maguire, Eamonn / Chen, Min | 2014
Interactive Design of Multidimensional Data Projection Layout
Molchanov, Vladimir / Linsen, Lars | 2014
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Saket, Bahador / Simonetto, Paolo / Kobourov, Stephen | 2014
Evaluation of Visualizations for Interface Analysis of SPH
Krone, Michael / Huber, Markus / Scharnowski, Katrin / Hirschler, Manuel / Kauker, Daniel / Reina, Guido / Nieken, Ulrich / Weiskopf, Daniel / Ertl, Thomas | 2014
Vortex Detection in 4D MRI Data: Using the Proper Orthogonal Decomposition for Improved Noise-Robustness
Carnecky, Robert / Brunner, Thomas / Born, Silvia / Waser, Jürgen / Heine, Christian / Peikert, Ronald | 2014
The Effect of Information Visualization Delivery on Narrative Construction and Development
Badawood, Donia / Wood, Jo | 2014
Coherent View-Dependent Streamlines for Understanding Blood Flow
Lawonn, Kai / Günther, Tobias / Preim, Bernhard | 2014
Characterization of Blood-Flow Patterns from Phase-Contrast MRI Velocity Fields
Pelt, Roy van / Fuster, Andrea / Claassen, Geert / Vilanova, Anna | 2014
Color and Uncertainty: It is not always Black and White
Tak, Susanne / Toet, Alexander | 2014
Visibility-Driven Depth Determination of Surface Patches in Direct Volume Rendering
Stoppel, Sergej / Hege, Hans-Christian / Wiebel, Alexander | 2014
The Design Space of Temporal Graph Visualisation
Kerracher, Natalie / Kennedy, Jessie / Chalmers, Kevin | 2014
Bilateral Depth Filtering for Enhanced Vessel Reformation
Kretschmer, Jan / Preim, Bernhard / Stamminger, Marc | 2014
Revisiting Perceptually Optimized Color Mapping for High-Dimensional Data Analysis
Mittelstädt, Sebastian / Bernard, Jürgen / Schreck, Tobias / Steiger, Martin / Kohlhammer, Jörn / Keim, Daniel A. | 2014
Visualizing Uncertainty in HARDI Tractography Using Superquadric Streamtubes
Wiens, Vitalis / Schlaffke, Lara / Schmidt-Wilcke, Tobias / Schultz, Thomas | 2014
Studying Color Blending Perception for Data Visualization
Gama, Sandra / Gonçalves, Daniel | 2014
Interactive Visualisation of Automotive Warranty Data Using Novel Extensions of Chord Diagrams
Nicholas, Michael / Archambault, Daniel / Laramee, Robert S | 2014
Eliciting Multi-touch Selection Gestures for Interactive Data Graphics
Willett, Wesley / Lan, Qi / Isenberg, Petra | 2014

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