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What is NMF? 


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Nonnegative Matrix Factorization (NMF) is a machine learning algorithm that is used to extract meaningful features from datasets. It is particularly effective in dealing with noisy data and improving the efficiency of machine learning tasks . NMF can be applied to various domains, including social management systems and neuroimaging. In complex social management systems, NMF can be used to extract multi-angle features and represent data using a hierarchical structure . In the field of neuroimaging, orthonormal projective NMF has been widely used to derive representations of the brain in health and disease, providing intuitive and well-localized factors . TL-NMF is a variant of NMF that aims to learn data representations suited to NMF by incorporating transform learning. It has been shown that TL-NMF can be replaced by a two-step approach called JD+NMF, which estimates the transform through joint-diagonalization prior to NMF computation .

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Proceedings ArticleDOI
Sung-Min Ha, Aris Sotiras 
03 Apr 2023
NMF stands for non-negative matrix factorization.
NMF stands for Non-negative Matrix Factorization.
NMF stands for Nonnegative Matrix Factorization. It is an algorithm used in machine learning to divide a large matrix into two smaller matrices, which can then be multiplied jointly to form the initial large matrix. The algorithm ensures that all values in the matrices are positive.
NMF stands for Non-Negative Matrix Factorization.
NMF stands for non-negative matrix factorization. It is a topic modeling algorithm that does not require manual annotations for domain terms and extracts topics from a corpus of domain documents.

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