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    Video Compression for Ocean Simulation Image Databases

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    Date
    2017
    Author
    Berres, Anne S.
    Turton, Terece L.
    Petersen, Mark
    Rogers, David H.
    Ahrens, James P. ORCID
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    Abstract
    Climate research requires monitoring a large range of spatial and temporal scales to understand the climate system and potential future impacts. Climate simulations are now run with very high resolution (1-10 km gridcells) ocean, sea ice, and atmosphere components, and can easily produce petabytes of output. This overloads storage systems and hinders visualization and analysis. Image databases can decrease storage sizes from petabytes of simulation output down to several hundred gigabytes of images. In this paper, we introduce video compression as a method to further decrease database sizes by 2-4 orders of magnitude. We compare compression and access speeds, compressed sizes, and compression quality over a range of settings. Quality is assessed through image quality metrics and expert feedback. Overall, we were able to show that video compression techniques provide an efficient means of storing image databases at a shareable size, while preserving image quality. This enables the wise use of available disk space, so scientists can more easily study the physical features of interest.
    BibTeX
    @inproceedings {10.2312:envirvis.20171104,
    booktitle = {Workshop on Visualisation in Environmental Sciences (EnvirVis)},
    editor = {Karsten Rink and Ariane Middel and Dirk Zeckzer and Roxana Bujack},
    title = {{Video Compression for Ocean Simulation Image Databases}},
    author = {Berres, Anne S. and Turton, Terece L. and Petersen, Mark and Rogers, David H. and Ahrens, James P.},
    year = {2017},
    publisher = {The Eurographics Association},
    ISBN = {978-3-03868-040-6},
    DOI = {10.2312/envirvis.20171104}
    }
    URI
    http://dx.doi.org/10.2312/envirvis.20171104
    https://diglib.eg.org:443/handle/10.2312/envirvis20171104
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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