Results 71 to 80 of about 3,813,510 (369)

Multi‐view registration based on weighted LRS matrix decomposition of motions

open access: yesIET Computer Vision, 2019
Recently, the low‐rank and sparse (LRS) matrix decomposition has been introduced as an effective mean to solve the multi‐view registration. It views each available relative motion as a block element to reconstruct one sparse matrix, which then is used to
Congcong Jin   +5 more
doaj   +1 more source

Efficient Preference Clustering via Random Fourier Features

open access: yesBig Data Mining and Analytics, 2019
Approximations based on random Fourier features have recently emerged as an efficient and elegant method for designing large-scale machine learning tasks.
Jingshu Liu, Li Wang, Jinglei Liu
doaj   +1 more source

Identification of Successive “Unobservable” Cyber Data Attacks in Power Systems Through Matrix Decomposition [PDF]

open access: yesIEEE Transactions on Signal Processing, 2016
This paper presents a new framework of identifying a series of cyber data attacks on power system synchrophasor measurements. We focus on detecting “unobservable” cyber data attacks that cannot be detected by any existing method that purely relies on ...
Pengzhi Gao   +6 more
semanticscholar   +1 more source

Numerical Matrix Decomposition

open access: yes, 2021
In 1954, Alston S. Householder published \textit{Principles of Numerical Analysis}, one of the first modern treatments on matrix decomposition that favored a (block) LU decomposition-the factorization of a matrix into the product of lower and upper triangular matrices.
openaire   +2 more sources

Singular random matrix decompositions: distributions [PDF]

open access: yesJournal of Multivariate Analysis, 2005
Assuming that Y has a singular matrix variate elliptically contoured distribution with respect to the Hausdorff measure, the distributions of several matrices associated to QR, modified QR, SV and Polar decompositions of matrix Y are determined, for central and non-central, non-singular and singular cases, as well as their relationship to the Wishart ...
González Farías, Graciela   +1 more
openaire   +4 more sources

CALPHAD‐Guided Prediction and Interpretation of Phase Formation in Ta–Mo–Cr–Ti–Al Refractory High‐Entropy Alloys

open access: yesAdvanced Engineering Materials, EarlyView.
This study designs Ta–Mo–Cr–Ti–Al refractory high‐entropy alloys with a disordered body‐centered‐cubic A2 crystal structure aiming for improved ductility, lower density, and oxidation resistance. Four alloy compositions are identified by thermodynamic calculations.
Kateryna Khanchych   +7 more
wiley   +1 more source

Amplitude-Preserved Wave Equation: An Example to Image the Gas Hydrate System

open access: yesEnergies, 2021
Natural gas hydrate is an important energy source. Therefore, it is extremely important to provide a clear imaging profile to determine its distribution for energy exploration. In view of the problems existing in conventional migration methods, e.g., the
Jiachun You   +4 more
doaj   +1 more source

An Improved Traffic Matrix Decomposition Method with Frequency-Domain Regularization

open access: yes, 2012
We propose a novel network traffic matrix decomposition method named Stable Principal Component Pursuit with Frequency-Domain Regularization (SPCP-FDR), which improves the Stable Principal Component Pursuit (SPCP) method by using a frequency-domain noise
Hu, Kai, Wang, Zhe, Yin, Baolin
core   +1 more source

Matrix methods in decompositions of modules

open access: yesLinear Algebra and its Applications, 1980
AbstractMatrix methods of elementary linear algebra are extended to general direct-sum decompositions of modules. These methods are then shown to yield simple proofs of some well-known theorems, notably the Beck-Warfield “mutual exchange property” and the Krull-Schmidt theorem.
openaire   +2 more sources

New Developments in the Field of Production and Application of Multi‐Material Wire Arc Additive Manufacturing Components: A Review

open access: yesAdvanced Engineering Materials, EarlyView.
The utilization of direct energy deposition (DED)‐arc additive manufacturing processes in industrial applications is increasing, and these processes have the potential for multi‐material applications. This work provides a overview of the state of research in DED‐arc made functional graded structures, to establish a link to potential industrial ...
Kai Treutler, Volker Wesling
wiley   +1 more source

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