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Random projections and Hotelling’s  T2 statistics for change detection in high-dimensional data streams Cover

Random projections and Hotelling’s T2 statistics for change detection in high-dimensional data streams

Open Access
|Jun 2013

Abstract

The method of change (or anomaly) detection in high-dimensional discrete-time processes using a multivariate Hotelling chart is presented. We use normal random projections as a method of dimensionality reduction. We indicate diagnostic properties of the Hotelling control chart applied to data projected onto a random subspace of Rn. We examine the random projection method using artificial noisy image sequences as examples.

DOI: https://doi.org/10.2478/amcs-2013-0034 | Journal eISSN: 2083-8492 | Journal ISSN: 1641-876X
Language: English
Page range: 447 - 461
Published on: Jun 28, 2013
Published by: University of Zielona Góra
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2013 Ewa Skubalska-Rafajłowicz, published by University of Zielona Góra
This work is licensed under the Creative Commons License.