Papers/Notes: Graphs
Thursday, April 15
2:30 PM - 4:00 PM
A Model of Symbol Size Discrimination in Scatterplots
Jing Li, Eindhoven University of Techonology, the Netherlands
Jean-Bernard Martens, Eindhoven University of Techonology, the Netherlands
Jarke J. Van Wijk, Eindhoven University of Techonology, the Netherlands
Proposes an optimal scale for symbol size in scatterplots, based on a model of their perception and experiments. Provides designers with guidelines for graphic encoding using size for optimal discriminability.
Individual Models of Colour Differentiation to Improve Interpretability of Information Visualization
David R. Flatla, University of Saskatchewan, Canada
Carl Gutwin, University of Saskatchewan, Canada
Presents a new technique for modeling human color-differentiation abilities, based on empirical calibration, that covers a wider range of color vision deficiencies and environmental effects.
Useful Junk? The Effects of Visual Embellishment on Comprehension and Memorability of Charts
Scott Bateman, University of Saskatchewan, Canada
Regan L. Mandryk, University of Saskatchewan, Canada
Carl Gutwin, University of Saskatchewan, Canada
Aaron Genest, University of Saskatchewan, Canada
David McDine, University of Saskatchewan, Canada
Christopher Brooks, University of Saskatchewan, Canada
Presents a study of how visual embellishments affect memorability and interpretation of charts, and shows that the additional imagery can have a beneficial effect without reducing interpretation accuracy.
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