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    Towards Visual Mega-Analysis of Voxel-based Measurement in Brain Cohorts

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    Date
    2016
    Author
    Zhang, Guohao
    Kochunov, Peter
    Hong, Elliot
    Carr, Hamish
    Chen, Jian
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    Abstract
    We present a visualization prototype for comparative analysis of factional anisotropy (FA) distributions constructed from threedimensional (3D) brain diffusion tensor imaging (DTI) in brain cohorts. The prototype lets brain scientists examine metaanalysis (the pooled analysis of multiple smaller trials or multi-site studies) results for identifying differences in cohorts. Interactive side-by-side bar charts show multiple statistical results of FA comparisons in regions of interest (ROIs) defined by user-chosen atlas. An occlusion-free two-dimensional (2D) semantic merge tree further displays the global distribution of FA values. Two histograms on each tree arc reveal voxel-based FA distributions represented by that arc branch in cohorts. Interaction techniques support brushing-and-linking of local and global ROIs queries. ROIs can be defined from atlas or select through interaction. We report validation results in a case study and an interview.
    BibTeX
    @inproceedings {10.2312:eurovisshort.20161161,
    booktitle = {EuroVis 2016 - Short Papers},
    editor = {Enrico Bertini and Niklas Elmqvist and Thomas Wischgoll},
    title = {{Towards Visual Mega-Analysis of Voxel-based Measurement in Brain Cohorts}},
    author = {Zhang, Guohao and Kochunov, Peter and Hong, Elliot and Carr, Hamish and Chen, Jian},
    year = {2016},
    publisher = {The Eurographics Association},
    ISSN = {-},
    ISBN = {978-3-03868-014-7},
    DOI = {10.2312/eurovisshort.20161161}
    }
    URI
    http://dx.doi.org/10.2312/eurovisshort.20161161
    https://diglib.eg.org:443/handle/10
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    Eurographics Association copyright © 2013 - 2022 
    Send Feedback | Contact - Imprint | Data Privacy Policy | Disable Google Analytics
    Theme by @mire NV
    System hosted at  Graz University of Technology.
    TUGFhA