Low-rank nonnegative matrix factorization on Stiefel manifold
Abstract
Low rank is an important but ill-posed problem in the development of nonnegative matrix factorization (NMF) algorithms because the essential information is often encoded in a low-rank intrinsic data matrix, whereas noise and outliers are contained in a residue matrix. Most existing NMF approaches achieve low rank by directly specifying the dimensions of the factor matrices. A few others impose the low rank constraint on the factor matrix and use...
Paper Details
Title
Low-rank nonnegative matrix factorization on Stiefel manifold
Published Date
Apr 1, 2020
Journal
Volume
514
Pages
131 - 148
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