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    Learning a Perceptual Quality Metric for Correlation in Scatterplots

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    Date
    2019
    Author
    Wöhler, Leslie
    Zou, Yuxin
    Mühlhausen, Moritz
    Albuquerque, Georgia
    Magnor, Marcus
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    Abstract
    Visual quality metrics describe the quality and efficiency of multidimensional data visualizations in order to guide data analysts during exploration tasks. Current metrics are usually based on empirical algorithms which do not accurately represent human perception and therefore often differ from the analysts' expectations. We propose a new perception-based quality metric using deep learning that rates the correlation of data dimensions visualized by scatterplots. First, we created a data set containing over 15,000 pairs of scatterplots with human annotations on the perceived correlation between the data dimensions. Afterwards, we trained two different Convolutional Neural Networks (CNN), one extracts features from scatterplot images and the other directly from data vectors. We evaluated both CNNs on our test set and compared them to previous visual quality metrics. The experiments show that our new metric is able to represent human perception more accurately than previous methods.
    BibTeX
    @inproceedings {10.2312:vmv.20191318,
    booktitle = {Vision, Modeling and Visualization},
    editor = {Schulz, Hans-Jörg and Teschner, Matthias and Wimmer, Michael},
    title = {{Learning a Perceptual Quality Metric for Correlation in Scatterplots}},
    author = {Wöhler, Leslie and Zou, Yuxin and Mühlhausen, Moritz and Albuquerque, Georgia and Magnor, Marcus},
    year = {2019},
    publisher = {The Eurographics Association},
    ISBN = {978-3-03868-098-7},
    DOI = {10.2312/vmv.20191318}
    }
    URI
    https://doi.org/10.2312/vmv.20191318
    https://diglib.eg.org:443/handle/10.2312/vmv20191318
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    Eurographics Association copyright © 2013 - 2023 
    Send Feedback | Contact - Imprint | Data Privacy Policy | Disable Google Analytics
    Theme by @mire NV
    System hosted at  Graz University of Technology.
    TUGFhA