نتایج جستجو برای: and svd

تعداد نتایج: 16827703  

2012
Philipp Shah Christoph Wieser François Bry

Social Tagging has become a method of choice for enriching data (like pictures) with meta-data which in turn can be used for searching (like retrieving art pictures) or tag recommendations relying on Singular Value Decompositions (SVD) to reduce dimensionality. We observed that social tagging-based search or tag-recommendation is more successful, if several dimensions describing the tagging com...

Journal: :IEEE Transactions on Signal Processing 1999

Journal: :International Journal for Research in Applied Science and Engineering Technology 2019

Journal: :Communications in Mathematical Sciences 2022

A third order real tensor is mapped to a special f-diagonal by going through Discrete Fourier Transform (DFT), standard matrix SVD and inverse DFT. We call such an s-diagonal tensor. An if only it itself in the above process. The space partitioned orthogonal equivalence classes. Each class has unique Two tensors are equal they orthogonally equivalent. Third have same tubal rank T-singular value...

Journal: :Computational Statistics 2021

We describe a numerical scheme for evaluating the posterior moments of Bayesian linear regression models with partial pooling coefficients. The principal analytical tool evaluation is change basis from coefficient space to singular vectors matrix predictors. After this and an integration, we reduce problem finding density over $$k + 2$$ dimensions, 2-dimensional density, where k number Moments ...

Journal: :International Journal of Engineering & Technology 2018

Journal: :The International Journal of Advanced Manufacturing Technology 2021

The traditional singular value decomposition (SVD) method is unable to diagnose the weak fault feature of bearings effectively, which means, it difficult retain effective components (SCs). Therefore, a new method, SVD based on FIC (fault information content), proposed, takes amplitude characteristics frequency as selection index components. Firstly, Hankel matrix original signal constructed, an...

2015
Mohammad Emtiyaz Khan

Journal: :Stroke 2011
Arani Nitkunan Silvia Lanfranconi Rebecca A Charlton Thomas R Barrick Hugh S Markus

BACKGROUND AND PURPOSE cerebral small vessel disease (SVD) is the most common cause of vascular dementia. Interest in the use of surrogate markers is increasing. The aims of this study were to determine if brain volume was different between patients with SVD and control subjects, whether it correlated with cognition in SVD, and whether changes in brain volume could be detected during prospectiv...

Journal: :Cerebrovascular diseases 2012
V Held K Szabo H Bäzner M G Hennerici

BACKGROUND Recovery from stroke is presumed to be a function of a cerebral network. Chronic small vessel disease (SVD) has been shown to disrupt this network's integrity and has been proposed as a predictor of poor outcome after stroke. We studied this hypothesis in patients with acute ischemic stroke of the striatocapsular region, an area of pronounced cortical and subcortical connectivity. ...

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