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ABSTRACT

The paper presents an interactive approach for guiding the user's select of colormaps in visualization. PRAVDAColor, implemented as a module in the IBM Visualization Data Explorer, provides the user a selection of appropriate colormaps given the data type and spatial frequency, the user's task, and properties of the human perceptual system.

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INDEX TERMS

Keywords:
IBM Visualization Data Explorer, PRAVDAColor, colormap selection, colour graphics, data analysis, data type, data visualisation, expert systems, human perceptual system, rule-based tool, spatial frequency