Cosmic Web Reconstruction through Density Ridges: Catalogue
Monthly Notices of the Royal Astronomical Society(2016)
摘要
We construct a catalogue for filaments using a novel approach called SCMS (subspace constrained mean shift). SCMS is a gradient-based method that detects filaments through density ridges (smooth curves tracing high-density regions). A great advantage of SCMS is its uncertainty measure, which allows an evaluation of the errors for the detected filaments. To detect filaments, we use data from the Sl...
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关键词
catalogues,large-scale structure of Universe
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