2018
DOI: 10.2172/1467236
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Data Reduction Using Lossy Compression for Cosmology and Astrophysics Workflows

Abstract: This paper concerns the use of compression methods applied to large scientific data. Specifically the paper addresses the e↵ect of lossy compression on approximation error. Computer simulations, experiments and imaging technologies generate terabyte-scale datasets making necessary new approaches for compression coupled with data analysis. Lossless compression techniques compress data with no loss of information, but they generally do not produce a large-enough reduction when compared to lossy compression metho… Show more

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