Results 71 to 80 of about 2,137 (155)

Note Onset Detection via Nonnegative Factorization of Magnitude Spectrum

EURASIP Journal on Advances in Signal Processing, 2008
A novel approach for onset detection of musical notes from audio signals is presented. In contrast to most commonly used conventional approaches, the proposed method features new detection functions constructed from the linear temporal bases that are ...
Saeid Sanei, Jonathon A. Chambers, Yuhui Luo, Wenwu Wang   +3 more
doaj   +1 more source

Extraction de systèmes de consommation alimentaire utilisant la Nonnegative Matrix Factorization (NMF) pour l'évaluation des choix alimentaires.

, 2010
Dans les pays occidentaux où l'approvisionnement alimentaire est satisfaisant, les consommateurs agencent leur régime au moyen d'un grand nombre d'aliments. L'objectif de ce travail est d'étudier comment une technique récente en analyse de variables latentes, la "Nonnegative Matrix Factorization"(NMF), peut être appliquée aux données de consommation ...
Zetlaoui, Mélanie, Clémençon, Stéphan, Feinberg, Max, Verger, Philippe   +3 more
openaire   +1 more source

Determining Patterns in Neural Activity for Reaching Movements Using Nonnegative Matrix Factorization

EURASIP Journal on Advances in Signal Processing, 2005
We propose the use of nonnegative matrix factorization (NMF) as a model-independent methodology to analyze neural activity. We demonstrate that, using this technique, it is possible to identify local spatiotemporal patterns of neural activity in the ...
Nicolelis Miguel AL, Rao Yadunandana N, Sanchez Justin C, Erdogmus Deniz, Kim Sung-Phil, Principe Jose C   +5 more
doaj   +1 more source

Learning a Subspace and Clustering Simultaneously with Manifold Regularized Nonnegative Matrix Factorization

Guidance, Navigation and Control
With the incredible growth of high-dimensional data such as microarray gene expression data and web blogs from internet, the researchers are desirable to develop new clustering techniques to address the critical problem created by irrelevant dimensions ...
Feiping Nie, Huimin Chen, Heng Huang, Chris H. Q. Ding, Xuelong Li   +4 more
doaj   +1 more source

Recovering missing features in nonnegative matrix factorization via generalized singular value decomposition. [PDF]

iScience
Guo Y, Holy TE.
europepmc   +1 more source

Topology constrained nonnegative matrix factorization for time varying omic expression. [PDF]

Sci Rep
Dey A, Sharma KD, Chatterjee A, Bhattacharjee P.   +3 more
europepmc   +1 more source

A Generalized NMF-Based Method for Analyzing Time-Resolved Spectroscopic Data. [PDF]

J Phys Chem A
Kobeleva E, Chewle S, Horch M, Weber M.
europepmc   +1 more source

Neighborhood nonnegative matrix factorization identifies patterns and spatially-variable genes in large-scale spatial transcriptomics data. [PDF]

Genome Biol
Laursen R, Chen H, Demaray J, Pelka K, Engelhardt BE.   +4 more
europepmc   +1 more source

Nonnegative matrix factorization incorporating domain specific constraints for four dimensional scanning transmission electron microscopy. [PDF]

Sci Rep
Kimoto K, Uesugi F, Harano K, Kikkawa J, Cretu O, Shibazaki Y, Shiga M, Togo A.   +7 more
europepmc   +1 more source

Non-negative matrix factorization and deconvolution as a dual simplex problem. [PDF]

Genome Biol
Kleverov D, Aladyeva E, Serdyukov A, Artyomov MN.   +3 more
europepmc   +1 more source