Estimating the distribution of Galaxy Morphologies on a continuous space
classification
🌌 astro-ph.GA
astro-ph.COstat.APstat.COstat.ML
keywords
spaceshapescontinuousdimensionaldistributionestimationgalaxyallow
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The incredible variety of galaxy shapes cannot be summarized by human defined discrete classes of shapes without causing a possibly large loss of information. Dictionary learning and sparse coding allow us to reduce the high dimensional space of shapes into a manageable low dimensional continuous vector space. Statistical inference can be done in the reduced space via probability distribution estimation and manifold estimation.
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