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Robust Principal Component Analysis? [PDF]

open access: yesJournal of the ACM, 2009
This paper is about a curious phenomenon. Suppose we have a data matrix, which is the superposition of a low-rank component and a sparse component. Can we recover each component individually?
Candes, Emmanuel J.   +3 more
core   +2 more sources

Principal Component Analysis versus Factor Analysis [PDF]

open access: yesZeszyty Naukowe Warszawskiej Wyższej Szkoły Informatyki, 2021
The article discusses selected problems related to both principal component analysis (PCA) and factor analysis (FA). In particular, both types of analysis were compared. A vector interpretation for both PCA and FA has also been proposed.
Zenon Gniazdowski
doaj   +1 more source

Modal Principal Component Analysis [PDF]

open access: yesNeural Computation, 2020
Principal component analysis (PCA) is a widely used method for data processing, such as for dimension reduction and visualization. Standard PCA is known to be sensitive to outliers, and various robust PCA methods have been proposed. It has been shown that the robustness of many statistical methods can be improved using mode estimation instead of mean ...
Sando, Keishi, Hino, Hideitsu
openaire   +3 more sources

Robust Bilinear Probabilistic Principal Component Analysis

open access: yesAlgorithms, 2021
Principal component analysis (PCA) is one of the most popular tools in multivariate exploratory data analysis. Its probabilistic version (PPCA) based on the maximum likelihood procedure provides a probabilistic manner to implement dimension reduction ...
Yaohang Lu, Zhongming Teng
doaj   +1 more source

Online Tensor Robust Principal Component Analysis

open access: yesIEEE Access, 2022
Online robust principal component analysis (RPCA) algorithms recursively decompose incoming data into low-rank and sparse components. However, they operate on data vectors and cannot directly be applied to higher-order data arrays (e.g. video frames). In
Mohammad M. Salut, David V. Anderson
doaj   +1 more source

JEDi: java essential dynamics inspector — a molecular trajectory analysis toolkit

open access: yesBMC Bioinformatics, 2021
Background Principal component analysis (PCA) is commonly applied to the atomic trajectories of biopolymers to extract essential dynamics that describe biologically relevant motions. Although application of PCA is straightforward, specialized software to
Charles C. David   +2 more
doaj   +1 more source

Probabilistic Principal Component Analysis [PDF]

open access: yesJournal of the Royal Statistical Society Series B: Statistical Methodology, 1999
Summary Principal component analysis (PCA) is a ubiquitous technique for data analysis and processing, but one which is not based on a probability model. We demonstrate how the principal axes of a set of observed data vectors may be determined through maximum likelihood estimation of parameters in a latent variable model that is closely ...
Tipping, Michael E.   +1 more
openaire   +1 more source

Principal independent component analysis [PDF]

open access: yesIEEE Transactions on Neural Networks, 1999
Conventional blind signal separation algorithms do not adopt any asymmetric information of the input sources, thus the convergence point of a single output is always unpredictable. However, in most of the applications, we are usually interested in only one or two of the source signals and prior information is almost always available.
J, Luo, B, Hu, X T, Ling, R W, Liu
openaire   +2 more sources

Principal Component Analysis Based Wavelet Transform [PDF]

open access: yesEngineering and Technology Journal, 2012
The principal component analysis (PCA) is a valuable statistical means, implemented in time domain that has found application in many fields such as face recognition and image compression, and is a common technique for finding patterns in data of high ...
Hana M. Salman
doaj   +1 more source

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