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PR
2008
97views more  PR 2008»
13 years 8 months ago
SVD based initialization: A head start for nonnegative matrix factorization
We describe Nonnegative Double Singular Value Decomposition (NNDSVD), a new method designed to enhance the initialization stage of nonnegative matrix factorization (NMF). NNDSVD c...
Christos Boutsidis, Efstratios Gallopoulos
ICCV
2007
IEEE
14 years 10 months ago
On Constrained Sparse Matrix Factorization
Weishi Zheng, Stan Z. Li, Jian-Huang Lai, ShengCai...
CORR
2011
Springer
241views Education» more  CORR 2011»
13 years 3 months ago
An Alternating Direction Algorithm for Matrix Completion with Nonnegative Factors
This paper introduces a novel algorithm for the nonnegative matrix factorization and completion problem, which aims to find nonnegative matrices X and Y from a subset of entries o...
Yangyang Xu, Wotao Yin, Zaiwen Wen, Yin Zhang
SIAMMAX
2010
104views more  SIAMMAX 2010»
13 years 3 months ago
Rigorous Perturbation Bounds of Some Matrix Factorizations
This article presents rigorous normwise perturbation bounds for the Cholesky, LU and QR factorizations with normwise or componentwise perturbations in the given matrix. The conside...
Xiao-Wen Chang, Damien Stehlé