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ETK: An Evaluation Toolkit for Visualization User Studies
(The Eurographics Association, 2017)
This paper describes the design and features of the Evaluation Toolkit (ETK), a set of JavaScript/HTML/CSS modules leveraging the Qualtrics JavaScript API that can be used to automate image-based perceptual user evaluation ...
Evaluating the Perceptual Uniformity of Color Sequences for Feature Discrimination
(The Eurographics Association, 2017)
Probably the most common method for visualizing univariate data maps is through pseudocoloring and one of the most commonly cited requirements of a good colormap is that it be perceptually uniform. This means that differences ...
A Crowdsourced Approach to Colormap Assessment
(The Eurographics Association, 2017)
Despite continual research and discussion on the perceptual effects of color in scientific visualization, psychophysical testing is often limited. In-person lab studies can be expensive and time-consuming while results can ...