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Statistical modeling for visualization evaluation through data fusion
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DOI：10.1016/j.apergo.2016.12.016.png)
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摘要
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There is a high demand of data visualization providing insights to users in various applications. However, a consistent, online visualization evaluation method to quantify mental workload or user preference is lacking, which leads to an inefficient visualization and user interface design process. Recently, the advancement of interactive and sensing technologies makes the electroencephalogram (EEG) signals, eye movements as well as visualization logs available in user-centered evaluation. This paper proposes a data fusion model and the application procedure for quantitative and online visualization evaluation. 15 participants joined the study based on three different visualization designs. The results provide a regularized regression model which can accurately predict the user's evaluation of task complexity, and indicate the significance of all three types of sensing data sets for visualization evaluation. This model can be widely applied to data visualization evaluation, and other user-centered designs evaluation and data analysis in human factors and ergonomics. (C) 2016 Elsevier Ltd. All rights reserved.
Keyword:
Data fusion
Data visualization
Electroencephalogram (EEG)
Eye tracking
User-centered designs
Visualization evaluation
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