Visualized data often has dubious origins. One way to define data lineage is by describing the uncertainty. In addition, different forms of uncertainty and errors are also introduced as the data is derived, transformed, interpolated, and finally rendered. In the absence of integrated presentation of data and its associated uncertainty, the analysis of the visualization is incomplete at best and often leads to inaccurate or incorrect conclusions. This paper presents several techniques of presenting data together with uncertainty. The idea behind these techniques can be applied to both spatial (e.g. surface) and temporal (i.e. animation) domains. We describe these techniques of representing the truths about the data as verity visualization. The same techniques can also be used to make the users aware of the data quality or to emphasize and draw their attention to the uncertainty.
Cited By
- Grigoryan G and Rheingans P (2004). Point-Based Probabilistic Surfaces to Show Surface Uncertainty, IEEE Transactions on Visualization and Computer Graphics, 10:5, (564-573), Online publication date: 1-Sep-2004.
- Grigoryan G and Rheingans P Probabilistic surfaces Proceedings of the conference on Visualization '02, (147-154)
- Cedilnik A and Rheingans P Procedural annotation of uncertain information Proceedings of the conference on Visualization '00, (77-83)
- Lodha S, Pang A, Sheehan R and Wittenbrink C UFLOW Proceedings of the 7th conference on Visualization '96, (249-ff.)
- Lodha S, Wilson C and Sheehan R LISTEN Proceedings of the 7th conference on Visualization '96, (189-ff.)
- Wittenbrink C IFS Fractal Interpolation for 2D and 3D Visualization Proceedings of the 6th conference on Visualization '95
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