Search Results - "nonnegative matrix factorization algorithm"

A nonnegative matrix factorization algorithm based on a discrete-time projection neural network by 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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A constrained alternating least squares nonnegative matrix factorization algorithm enhances task-related neuronal activity detection from single subject's fMRI data by 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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The rise of nonnegative matrix factorization: Algorithms and applications by 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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Performance evaluation of nonnegative matrix factorization algorithms to estimate task-related neuronal activities from fMRI data by 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 by 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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Muscle synergy analysis in children with cerebral palsy by Tang, Lu, Li, Fei, Cao, Shuai, Zhang, Xu, Wu, De, Chen, Xiang

“… A nonnegative matrix factorization algorithm was used to extract muscle synergies. In view of muscle synergy differences in number, structure and symmetry, a model named synergy comprehensive assessment (SCA…”
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Changes in leg cycling muscle synergies after training augmented by functional electrical stimulation in subacute stroke survivors: a pilot study by Ambrosini, Emilia, Parati, Monica, Peri, Elisabetta, De Marchis, Cristiano, Nava, Claudia, Pedrocchi, Alessandra, Ferriero, Giorgio, Ferrante, Simona

“…) in subacute stroke survivors. Methods Subjects with ischemic subacute stroke participated in a 3-week training of FES-cycling with visual biofeedback plus usual care…”
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Inverse Estimation of Multiple Muscle Activations From Joint Moment With Muscle Synergy Extraction by Zhan Li, Guiraud, David, Hayashibe, Mitsuhiro

“…Human movement is produced resulting from synergetic combinations of multiple muscle contractions. The resultant joint movement can be estimated through the…”
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Muscle-tendon units localization and activation level analysis based on high-density surface EMG array and NMF algorithm by Huang, Chengjun, Chen, Xiang, Cao, Shuai, Zhang, Xu

“… Eight healthy male subjects participated in the data collection experiments, and 128-channel surface electromyographic (sEMG…”
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Inter- and Intrasubject Similarity of Muscle Synergies During Bench Press With Slow and Fast Velocity by Samani, Afshin, Kristiansen, Mathias

“… Surface electromyography was recorded from 13 muscles, and muscle synergies were extracted using a nonnegative matrix factorization algorithm…”
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A comparative study of muscle activity and synergies during walking in baboons and humans by Druelle, François, Ghislieri, Marco, Molina-Vila, Pablo, Rimbaud, Brigitte, Agostini, Valentina, Berillon, Gilles

“… We compared their muscular coordination to five human subjects walking bipedally. We extracted…”
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Assessment of Upper Limb Motor Dysfunction for Children with Cerebral Palsy Based on Muscle Synergy Analysis by Tang, Lu, Chen, Xiang, Cao, Shuai, Wu, De, Zhao, Gang, Zhang, Xu

“… For each subject in TD group, four muscle synergies were extracted in each task…”
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Muscle synergy analysis for similar upper limb motion tasks by Tang, Lu, Li, Fei, Cao, Shuai, Zhang, Xu, Chen, Xiang

“… Surface electromyographic (sEMG) signals were recorded from 10 upper arm and shoulder muscles, and muscle synergies were extracted using nonnegative matrix factorization algorithm…”
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Lower-limb muscle synergies in children with cerebral palsy by Fei Li, Qian Wang, Shuai Cao, De Wu, Quan Wang, Xiang Chen

“… And muscle synergies were extracted through nonnegative matrix factorization algorithm. We found that muscle synergies of CP children were different from those of adults in aspects of number and structure…”
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