Výsledky vyhledávání - "Matrix factorization algorithm"

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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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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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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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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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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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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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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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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Inter-subject variability of muscle synergies during bench press in power lifters and untrained individuals Autor Kristiansen, M., Madeleine, P., Hansen, E. A., Samani, A.

“…‐negative matrix factorization algorithm. The synergy activation coefficient represents the relative contribution of the muscle synergy to the overall muscle activity pattern, while the muscle synergy vector represents the relative weighting…”
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Muscle synergies are consistent across level and uphill treadmill running Autor Saito, Akira, Tomita, Aya, Ando, Ryosuke, Watanabe, Kohei, Akima, Hiroshi

“… Muscle synergies were extracted applying a non-negative matrix factorization algorithm, and relative co-activations across muscles and the temporal recruitment pattern were identified by muscle…”
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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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Assessment of Upper Limb Motor Dysfunction for Children with Cerebral Palsy Based on Muscle Synergy Analysis Autor Tang, Lu, Chen, Xiang, Cao, Shuai, Wu, De, Zhao, Gang, Zhang, Xu

“… Non-negative matrix factorization algorithm was used to extract muscle synergies and the corresponding activation patterns during three similar tasks…”
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Analysis of muscle synergies and activation–deactivation patterns in subjects with anterior cruciate ligament deficiency during walking Autor Serrancolí, Gil, Monllau, Joan C., Font-Llagunes, Josep M.

“… Muscle synergy components were calculated using a non-negative matrix factorization algorithm…”
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Modular neuromuscular control of human locomotion by central pattern generator Autor Haghpanah, Seyyed Arash, Farahmand, Farzam, Zohoor, Hassan

“… Four synergies were extracted from the EMG data of the major leg muscles of two subjects, during two gait trials each, using non-negative matrix factorization algorithm. A Matsuoka׳…”
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Muscle synergy analysis in children with cerebral palsy Autor 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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Modular control of gait after incomplete spinal cord injury: differences between sides Autor Pérez-Nombela, S, Barroso, F, Torricelli, D, de los Reyes-Guzmán, A, del-Ama, A J, Gómez-Soriano, J, Pons, J L, Gil-Agudo, Á

“…: This study was conducted in National Hospital for Spinal Cord Injury (Toledo, Spain). Methods: Eight iSCI patients and eight healthy subjects completed 10 walking trials at matched speed…”
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Age-related modifications of muscle synergies during daily-living tasks: A scoping review Autor Dussault-Picard, Cloé, Havashinezhadian, Sara, Turpin, Nicolas A., Moissenet, Florent, Turcot, Katia, Cherni, Yosra

“…Aging is associated with changes in neuromuscular control that can lead to difficulties in performing daily living tasks. Muscle synergy analysis allows the…”
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Assessment of ankle muscle activation by muscle synergies in healthy and post-stroke gait Autor Ji, Qing, Wang, Fei, Zhou, Rui, Li, Jianhua, Wang, Jian, Ye, Xuesong

“… A non-negative matrix factorization algorithm was used to extract muscle synergies. Our results suggest a featured muscle synergy structure…”
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Muscle Synergies During Walking in Children With Cerebral Palsy: A Systematic Review Autor Bekius, Annike, Bach, Margit M., van der Krogt, Marjolein M., de Vries, Ralph, Buizer, Annemieke I., Dominici, Nadia

“…Background: Walking problems in children with cerebral palsy (CP) can in part be explained by limited selective motor control. Muscle synergy analysis is…”
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