Optshrink LR + S: accelerated fMRI reconstruction using non-convex optimal singular value shrinkage
نویسندگان
چکیده
منابع مشابه
OPTIMAL SHRINKAGE OF SINGULAR VALUES By
We consider recovery of low-rank matrices from noisy data by shrinkage of singular values, in which a single, univariate nonlinearity is applied to each of the empirical singular values. We adopt an asymptotic framework, in which the matrix size is much larger than the rank of the signal matrix to be recovered, and the signal-to-noise ratio of the low-rank piece stays constant. For a variety of...
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ژورنال
عنوان ژورنال: Brain Informatics
سال: 2017
ISSN: 2198-4018,2198-4026
DOI: 10.1007/s40708-016-0059-x