interaction concepts for collaborative visual analysis of
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Thu 30 Nov 2017
Mohammad Chegini*, Lin Shao*, Dirk J. Lehmann+,Keith Andrews*, and Tobias Schreck*
* Graz University of Technology, Austria+ University of Magdeburg, Germany
Interaction Concepts for Collaborative VisualAnalysis of Scatterplots on
Large Vertically-Mounted High-Resolution Multi-Touch Displays
Forum Media Technology & All Around Audio Symposium
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Introduction and Concepts
Related Work
Proposed Interaction Techniques
Use Case
Discussion
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Introduction and Concepts1
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Preview
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Vertically-Mounted Multi-Touch Displays
Large!
Vertically-Mounted
High-Resolution
Multi-Touch
Example: EYE-LCD-8400-QHD-V2
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Large Multi-Touch Screens and Visual Analytics
Fluid and intuitive interface for up-close interaction.
Collaboration for small groups.
Better visualization (more space for multivariate datasets).
Novel Interaction Techniques.
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Question: Large Displays and Scatterplots Analysis?
SPM visualisation?
Collaboration on the SPM?
Scatterplot and the SPMinteraction?
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Related Work2
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Visualisation and Interaction on Large Multi-Touch Display
[1] Heilig, Mathias, et al. "Scattertouch: a Multi Touch Rubber Sheet Scatter Plot Visualization for Co-Located Data
Exploration." ACM International Conference on Interactive Tabletops and Surfaces. ACM, 2010.
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Collaboration on Large Display
[2] Badam, Sriram Karthik, et al. "Supporting Visual Exploration for Multiple Ssers in Large Display Environments." Visual
Analytics Science and Technology (VAST), 2016 IEEE Conference on. IEEE, 2016.
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Regression Lens
[3] Shao, Lin, et al. "Interactive Regression Lens for Exploring Scatter Plots." Computer Graphics Forum.
Vol. 36. No. 3. 2017.
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Proposed Interaction Techniques
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Single-User Tasks
One person analysing scatterplots.
Since the screen is large, physical navigation (e.g., walking) is needed.
The user can use both hands.
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Collaborative Tasks
More than one user.
Knowing what the other analyst is working on.
Sharing the information.
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Use Case4
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Collaborative Regression Lens
Two user work on different scatterplots.
A shared SPM for both.
Creating a regression model on each plot.
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Collaborative Regression Lens (Figure)
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Implementation on eyevis
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Discussion5
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Perception-Based Level of Visual Detail
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Future Work
Other types of multivariate dataset visualisation(e.g., parallel coordinates).
Use of other interaction modalities combined with multi-touch (e.g., eye-tracking and Kinect).
Further implementation and evaluation of the current system.
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Conclusion
Large multi-touch screens are new medium for Visual Analytics (both for interaction and visualisation).
Novel interaction techniques are needed.
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