Parameter selection for nonnegative l1 matrix/tensor sparse decomposition

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Parameter selection for nonnegative l1 matrix/tensor sparse decomposition

For the nonnegative l1 matrix/tensor sparse decomposition problem, we derive a threshold bound for the parameters beyond which all the decomposition factors are zero. The obtained result provides a guideline on selection for l1 regularization parameters and extends the corresponding result on Lasso...

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Bibliographic Details
Main Authors:	Wang, Y., Liu, Wan-Quan, Caccetta, Louis, Zhou, Guanglu
Format:	Journal Article
Published:	Elsevier 2015
Subjects:	Threshold bound Global optimal solution Zero solution Regularization parameter Sparse decomposition
Online Access:	http://hdl.handle.net/20.500.11937/38485

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