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- W2364774403 abstract "For a lage nonnegative matrix,a Lanczos bidiagonalization process is utilized to obtain a nonnegative bidiagonal matrix of low rank,and then every unit rank matrix produced from the Lanczos process is approximated by its nonnegative section in the same way as developed in Boutsidis and Gallopoulos′s paper.This results in a novel initialization algorithm for nonnegative matrix factorization(NMF) can readily be combined with existing NMF algorithms and may contained a little randomization.Some numerical experiments demonstrate that the new initialization algorithm is more efficient than the SVD based initialization algorithm presented in Boutsidis and Gallopoulos′s paper." @default.
- W2364774403 created "2016-06-24" @default.
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- W2364774403 date "2012-01-01" @default.
- W2364774403 modified "2023-09-27" @default.
- W2364774403 title "Lanczos Bidiagonalization:a Fast Start for Nonnegative Matrix Factorization" @default.
- W2364774403 hasPublicationYear "2012" @default.
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