Nonnegative Matrix Factorization in the Component-Wise L1 Norm for Sparse Data

Giovanni Seraghiti, Kévin Dubrulle, Arnaud Vandaele +1

Nonnegative matrix factorization (NMF) approximates a nonnegative matrix, X, by the product of two nonnegative factors, WH, where W has r columns and H has r rows. In this paper, w…