Short Communication: Wavelet denoising using principal component analysis

Authors:
Ronggen Yang;Mingwu Ren
Affiliations:
School of Computer Science, Nanjing University of Science and Technology, Nanjing 210094, China and Department of Computer Engineering, Huaiyin Institute of Technology, Huai'an 223001, China;School of Computer Science, Nanjing University of Science and Technology, Nanjing 210094, China
Venue:
Expert Systems with Applications: An International Journal
Year:
2011

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Abstract

In this paper, we propose wavelet-based denoising method using principal component analysis, which generalizes the univariate denoising and combines with principal component analysis. Two synthetic data sets, originally designed by Donoho and Johnstone to isolate and mimic various features found in real signals, and their correlated versions corrupted with Gaussian noise are used to test this method and the results show that this method is appropriate to multivariate signal denoising.