Results 41 to 50 of about 135,346 (336)

Globality constrained adaptive graph regularized non‐negative matrix factorization for data representation

open access: yesIET Image Processing, 2022
Benefiting from the good physical interpretations and low computational complexity, non‐negative matrix factorization (NMF) has attracted wide attentions in data representation learning tasks.
Yanfeng Sun   +4 more
doaj   +1 more source

Majorization-Minimization Algorithm for Discriminative Non-Negative Matrix Factorization

open access: yesIEEE Access, 2020
This paper proposes a basis training algorithm for discriminative non-negative matrix factorization (NMF) with applications to single-channel audio source separation.
Li Li, Hirokazu Kameoka, Shoji Makino
doaj   +1 more source

Non-negative Matrix Factorization on Manifold [PDF]

open access: yes2008 Eighth IEEE International Conference on Data Mining, 2008
Recently non-negative matrix factorization (NMF) has received a lot of attentions in information retrieval, computer vision and pattern recognition. NMF aims to find two non-negative matrices whose product can well approximate the original matrix. The sizes of these two matrices are usually smaller than the original matrix. This results in a compressed
Xiaofei He   +3 more
openaire   +2 more sources

Ordinal Non-negative Matrix Factorization for Recommendation

open access: yes, 2020
Accepted for publication at ICML ...
Gouvert, Olivier   +2 more
openaire   +4 more sources

Bayesian Non-negative Matrix Factorization [PDF]

open access: yes, 2009
We present a Bayesian treatment of non-negative matrix factorization (NMF), based on a normal likelihood and exponential priors, and derive an efficient Gibbs sampler to approximate the posterior density of the NMF factors. On a chemical brain imaging data set, we show that this improves interpretability by providing uncertainty estimates.
Ole Winther   +2 more
openaire   +2 more sources

Optimal Recovery of Missing Values for Non-Negative Matrix Factorization

open access: yesIEEE Open Journal of Signal Processing, 2021
Missing values imputation is often evaluated on some similarity measure between actual and imputed data. However, it may be more meaningful to evaluate downstream algorithm performance after imputation than the imputation itself.
Rebecca Chen Dean, Lav R. Varshney
doaj   +1 more source

Face Recognition Based on Wavelet Kernel Non-Negative Matrix Factorization

open access: yesCybernetics and Information Technologies, 2014
In this paper a novel face recognition algorithm, based on wavelet kernel non-negative matrix factorization (WKNMF), is proposed. By utilizing features from multi-resolution analysis, the nonlinear mapping capability of kernel nonnegative matrix ...
Bai, Lin, Li Yanbo, Hui Meng
doaj   +1 more source

MCA-NMF: Multimodal Concept Acquisition with Non-Negative Matrix Factorization. [PDF]

open access: yesPLoS ONE, 2015
In this paper we introduce MCA-NMF, a computational model of the acquisition of multimodal concepts by an agent grounded in its environment. More precisely our model finds patterns in multimodal sensor input that characterize associations across ...
Olivier Mangin   +3 more
doaj   +1 more source

On Rank Selection in Non-Negative Matrix Factorization Using Concordance

open access: yesMathematics, 2023
The choice of the factorization rank of a matrix is critical, e.g., in dimensionality reduction, filtering, clustering, deconvolution, etc., because selecting a rank that is too high amounts to adjusting the noise, while selecting a rank that is too low ...
Paul Fogel   +3 more
doaj   +1 more source

Robust Adaptive Graph Regularized Non-Negative Matrix Factorization

open access: yesIEEE Access, 2019
Data clustering, which aims to divide the given samples into several different groups, has drawn much attention in recent years. As a powerful tool, non-negative matrix factorization (NMF) has been applied successfully in clustering tasks. However, there
Xiang He, Qi Wang, Xuelong Li
doaj   +1 more source

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