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Median Based Algorithm as an Entropy Function for Noise Detection in Wavelet Trees for Data Reconciliation

Research output: Journal contributions › Journal articles › Research › peer-review

Standard

Median Based Algorithm as an Entropy Function for Noise Detection in Wavelet Trees for Data Reconciliation. / Mercorelli, Paolo.
In: International Journal of Mathematics, Game Theory and Algebra, Vol. 19, No. 5-6, 2010, p. 319-333.

Research output: Journal contributions › Journal articles › Research › peer-review

Harvard

Mercorelli, P 2010, 'Median Based Algorithm as an Entropy Function for Noise Detection in Wavelet Trees for Data Reconciliation', International Journal of Mathematics, Game Theory and Algebra, vol. 19, no. 5-6, pp. 319-333. <https://zbmath.org/?q=in%3A276932>

APA

Mercorelli, P. (2010). Median Based Algorithm as an Entropy Function for Noise Detection in Wavelet Trees for Data Reconciliation. International Journal of Mathematics, Game Theory and Algebra, 19(5-6), 319-333. https://zbmath.org/?q=in%3A276932

Vancouver

Mercorelli P. Median Based Algorithm as an Entropy Function for Noise Detection in Wavelet Trees for Data Reconciliation. International Journal of Mathematics, Game Theory and Algebra. 2010;19(5-6):319-333.

Bibtex

@article{6250a9e91e7449b4a75fe5d9abcc490c,
title = "Median Based Algorithm as an Entropy Function for Noise Detection in Wavelet Trees for Data Reconciliation",
abstract = "The noise detection and the data cleaning find application in data compressions for images and voice as well as in their analysis and recognition, data transmission, data reconciliation, fault detection and in general in all application area of the signal processing and measurements. The content of this papercan offer the possibility to improve the state of the art of all those procedures with denoising methods which use a thresholding technique implying a free thresholding one, running in wavelet packets. The author presents a technique which deals with a free thresholding method related to the on-line peaknoise variance estimation even for signals with a small S/N ratio. The second innovative aspect consists of use of wavelet packets which give more elasticity to the technique. The basic idea is to characterize the noise like an incoherent part of the measured signal. It is performed through the wavelet tree by choosing the subspaces where the median value of the wavelet components has minimum. In this sense the proposed median based algorithm can be seen as an entropy function and this analogy is shown. The paper provides to show general properties of the wavelet packets on which the proposed procedure is based. The developed algorithm is totally general even though it is applied by using Haar wavelet packets and it is present in some industrial software platforms to detect sensor outliers because of their easy structure. More, it is currently integrated in the inferential modeling platform of the Advanced Control and Simulation Solution Responsible Unit within ABB{\textquoteright}s (Asea Brown Boveri) industry division.",
keywords = "Engineering",
author = "Paolo Mercorelli",
year = "2010",
language = "English",
volume = "19",
pages = "319--333",
journal = "International Journal of Mathematics, Game Theory and Algebra",
issn = "1060-9881",
publisher = "Nova Science Publishers, Inc.",
number = "5-6",

}

RIS

TY - JOUR

T1 - Median Based Algorithm as an Entropy Function for Noise Detection in Wavelet Trees for Data Reconciliation

AU - Mercorelli, Paolo

PY - 2010

Y1 - 2010

N2 - The noise detection and the data cleaning find application in data compressions for images and voice as well as in their analysis and recognition, data transmission, data reconciliation, fault detection and in general in all application area of the signal processing and measurements. The content of this papercan offer the possibility to improve the state of the art of all those procedures with denoising methods which use a thresholding technique implying a free thresholding one, running in wavelet packets. The author presents a technique which deals with a free thresholding method related to the on-line peaknoise variance estimation even for signals with a small S/N ratio. The second innovative aspect consists of use of wavelet packets which give more elasticity to the technique. The basic idea is to characterize the noise like an incoherent part of the measured signal. It is performed through the wavelet tree by choosing the subspaces where the median value of the wavelet components has minimum. In this sense the proposed median based algorithm can be seen as an entropy function and this analogy is shown. The paper provides to show general properties of the wavelet packets on which the proposed procedure is based. The developed algorithm is totally general even though it is applied by using Haar wavelet packets and it is present in some industrial software platforms to detect sensor outliers because of their easy structure. More, it is currently integrated in the inferential modeling platform of the Advanced Control and Simulation Solution Responsible Unit within ABB’s (Asea Brown Boveri) industry division.

AB - The noise detection and the data cleaning find application in data compressions for images and voice as well as in their analysis and recognition, data transmission, data reconciliation, fault detection and in general in all application area of the signal processing and measurements. The content of this papercan offer the possibility to improve the state of the art of all those procedures with denoising methods which use a thresholding technique implying a free thresholding one, running in wavelet packets. The author presents a technique which deals with a free thresholding method related to the on-line peaknoise variance estimation even for signals with a small S/N ratio. The second innovative aspect consists of use of wavelet packets which give more elasticity to the technique. The basic idea is to characterize the noise like an incoherent part of the measured signal. It is performed through the wavelet tree by choosing the subspaces where the median value of the wavelet components has minimum. In this sense the proposed median based algorithm can be seen as an entropy function and this analogy is shown. The paper provides to show general properties of the wavelet packets on which the proposed procedure is based. The developed algorithm is totally general even though it is applied by using Haar wavelet packets and it is present in some industrial software platforms to detect sensor outliers because of their easy structure. More, it is currently integrated in the inferential modeling platform of the Advanced Control and Simulation Solution Responsible Unit within ABB’s (Asea Brown Boveri) industry division.

KW - Engineering

UR - https://zbmath.org/?q=an%3A1221.94029

M3 - Journal articles

VL - 19

SP - 319

EP - 333

JO - International Journal of Mathematics, Game Theory and Algebra

JF - International Journal of Mathematics, Game Theory and Algebra

SN - 1060-9881

IS - 5-6

ER -

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Research output: Journal contributions › Journal articles › Research › peer-review

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Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review

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Research output: Journal contributions › Journal articles › Research › peer-review

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Research output: Journal contributions › Journal articles › Research › peer-review

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