Výsledky vyhledávání - "factorization algorithms"

The rise of nonnegative matrix factorization: Algorithms and applications Autor Guo, Yi-Ting, Li, Qin-Qin, Liang, Chun-Sheng

“…•NMF has been applied in about 130 fields (disciplines) in recent years.•The use of NMF in programming languages (free platforms) is summarized.•The classical…”
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Extracting Signals Robust to Electrode Number and Shift for Online Simultaneous and Proportional Myoelectric Control by Factorization Algorithms Autor Muceli, Silvia, Jiang, Ning, Farina, Dario

“…Previous research proposed the extraction of myoelectric control signals by linear factorization of multi-channel electromyogram (EMG) recordings from forearm…”
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A SEMG-Force Estimation Framework Based on a Fast Orthogonal Search Method Coupled with Factorization Algorithms Autor Chen, Xiang, Yuan, Yuan, Cao, Shuai, Zhang, Xu, Chen, Xun

“…A novel framework based on the fast orthogonal search (FOS) method coupled with factorization algorithms was proposed and implemented to realize high-accuracy muscle force estimation via surface electromyogram (SEMG…”
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Performance evaluation of nonnegative matrix factorization algorithms to estimate task-related neuronal activities from fMRI data Autor Ding, Xiaoyu, Lee, Jong-Hwan, Lee, Seong-Whan

“…), were investigated by using them to estimate task-related neuronal activities. These algorithms were applied firstly to individual data from a single subject and, subsequently, to group data sets from multiple…”
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Fast Nonnegative Matrix Factorization Algorithms Using Projected Gradient Approaches for Large-Scale Problems Autor Zdunek, Rafal, Cichocki, Andrzej

“…Recently, a considerable growth of interest in projected gradient (PG) methods has been observed due to their high efficiency in solving large-scale convex minimization problems subject to linear constraints…”
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Probabilistic Analysis of Least Squares, Orthogonal Projection, and QR Factorization Algorithms Subject to Gaussian Noise Autor Lotfi, Ali, Langou, Julien, Meysami, Mohammad

“…), assumes exact arithmetic and orthonormality of Q, which is a strong assumption when applying these results to numerical methods such as QR factorization algorithms…”
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Framework for evaluation and comparison of integer factorization algorithms Autor Duta, Cristina-Loredana, Gheorghe, Laura, Tapus, Nicolae

“… The integer factorization algorithms have rapidly extended and improved such that today it is easy to factor a 100-decimal digit number and feasible to factor 155-decimal digit number…”
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A nonnegative matrix factorization algorithm based on a discrete-time projection neural network Autor Che, Hangjun, Wang, Jun

“…This paper presents an algorithm for nonnegative matrix factorization based on a biconvex optimization formulation. First, a discrete-time projection neural…”
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Federated Matrix Factorization: Algorithm Design and Application to Data Clustering Autor Wang, Shuai, Chang, Tsung-Hui

“… Since the MF problem involves two blocks of variables and the variables are usually subject to constraints related to specific solution structure, it requires new FL algorithm designs to achieve…”
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The Integer Factorization Algorithm With Pisano Period Autor Wu, Liangshun, Cai, H. J., Gong, Zexi

“…Large integer factorization is one of the basic issues in number theory and is the subject of this paper…”
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Implementing the Iakoubovski–Merino spectral factorization algorithm using state–space methods Autor Taub, B.

“…The necessity of factoring spectral matrices arises in stationary control settings. The optimality conditions for quadratic optimization of stochastic…”
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Analysis of facial motion patterns during speech using a matrix factorization algorithm Autor Lucero, Jorge C, Munhall, Kevin G

“… The data consists of three-dimensional displacement records of a set of markers located on a subject's face while producing speech…”
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A Novel Muscle Synergy Extraction Method Used for Motor Function Evaluation of Stroke Patients: A Pilot Study Autor Ma, Yehao, Shi, Changcheng, Xu, Jialin, Ye, Sijia, Zhou, Huilin, Zuo, Guokun

“… In this study, MCR-ALS was employed to extract muscle synergy from electromyography (EMG) data. Its performance was compared with two other matrix factorization algorithms, NMF and self…”
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Novel Distributed Multimedia Recommendation Systems Using Personalized Information Autor Chang, Shih Yu, Wu, Hsiao-Chun, Yan, Kun, Huang, Scott Chih-Hao, Wu, Yiyan

“…In this paper, we propose a novel distributed multimedia recommendation system (DMRS) to address personalized preference by use of the matrix-sketching…”
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How are Muscle Synergies Affected by Electromyography Pre-Processing? Autor Kieliba, Paulina, Tropea, Peppino, Pirondini, Elvira, Coscia, Martina, Micera, Silvestro, Artoni, Fiorenzo

“… However, many sources of variability such as factorization algorithms, criteria for dimensionality reduction and data pre-processing constitute a major obstacle to the successful comparison…”
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Modification of Hand Muscular Synergies in Stroke Patients after Robot-Aided Rehabilitation Autor Scotto di Luzio, Francesco, Cordella, Francesca, Bravi, Marco, Santacaterina, Fabio, Bressi, Federica, Sterzi, Silvia, Zollo, Loredana

“… Recent studies confirm that stroke subjects with mild and moderate impairment show altered upper limb muscle patterns, but the muscular patterns of the hand have not completely investigated, although…”
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Federated Multimedia Recommendation Systems with Privacy Protection Autor Chang, Shih Yu, Wu, Hsiao-Chun, Yan, Kun, Huang, Scott Chih-Hao, Wu, Yiyan

“… The emerging federated multimedia recommendation systems (FeMRSs) offer a promising approach to address the need of personalized recommendations subject to both users' privacy and data security…”
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Motor modules in robot-aided walking Autor Gizzi, Leonardo, Nielsen, Jørgen Feldbæk, Felici, Francesco, Moreno, Juan C, Pons, José L, Farina, Dario

“… (central pattern generators) and muscle activation generating networks. This modular organization can be partly identified from the analysis of the muscular activity by means of factorization algorithms…”
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A constrained alternating least squares nonnegative matrix factorization algorithm enhances task-related neuronal activity detection from single subject's fMRI data Autor Xiaoyu Ding, Jong-Hwan Lee, Seong-Whan Lee

“…This paper proposes a constrained alternating least squares nonnegative matrix factorization algorithm (cALSNMF…”
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Selecting the best number of synergies in gait: Preliminary results on young and elderly people Autor Artoni, Fiorenzo, Monaco, Vito, Micera, Silvestro

“…Matrix factorization algorithms are increasingly used to extract meaningful information from multivariate EMG datasets…”
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