Visualization of uncertain scalar data fields using color scales and perceptually adapted noise

Abstract : We present a new method to visualize uncertain scalar data fields by combining color scale visualization techniques with animated, perceptually adapted Perlin noise. The parameters of the Perlin noise are controlled by the uncertainty information to produce animated patterns showing local data value and quality. In order to precisely control the perception of the noise patterns, we perform a psychophysical evaluation of contrast sensitivity thresholds for a set of Perlin noise stimuli. We validate and extend this evaluation using an existing computational model. This allows us to predict the perception of the uncertainty noise patterns for arbitrary choices of parameters. We demonstrate and discuss the efficiency and the benefits of our method with various settings, color maps and data sets.
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https://hal.inria.fr/inria-00600161
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Submitted on : Thursday, September 12, 2013 - 2:26:07 PM
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Alexandre Coninx, Georges-Pierre Bonneau, Jacques Droulez, Guillaume Thibault. Visualization of uncertain scalar data fields using color scales and perceptually adapted noise. ACM SIGGRAPH Symposium on Applied Perception in Graphics and Visualization (APGV), SIGGRAPH, Aug 2011, Toulouse, France. pp.59-66, ⟨10.1145/2077451.2077462⟩. ⟨inria-00600161v2⟩

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