Digital DC-Reconstruction of AC-Coupled Electrophysiological Signals with a Single Inverting Filter

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Standard

Digital DC-Reconstruction of AC-Coupled Electrophysiological Signals with a Single Inverting Filter. / Abächerli, Roger; Isaksen, Jonas; Schmid, Ramun; Leber, Remo; Schmid, Hans-Jakob; Generali, Gianluca.

I: P L o S One, Bind 11, Nr. 3, e0150207, 03.03.2016.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Abächerli, R, Isaksen, J, Schmid, R, Leber, R, Schmid, H-J & Generali, G 2016, 'Digital DC-Reconstruction of AC-Coupled Electrophysiological Signals with a Single Inverting Filter', P L o S One, bind 11, nr. 3, e0150207. https://doi.org/10.1371/journal.pone.0150207

APA

Abächerli, R., Isaksen, J., Schmid, R., Leber, R., Schmid, H-J., & Generali, G. (2016). Digital DC-Reconstruction of AC-Coupled Electrophysiological Signals with a Single Inverting Filter. P L o S One, 11(3), [e0150207]. https://doi.org/10.1371/journal.pone.0150207

Vancouver

Abächerli R, Isaksen J, Schmid R, Leber R, Schmid H-J, Generali G. Digital DC-Reconstruction of AC-Coupled Electrophysiological Signals with a Single Inverting Filter. P L o S One. 2016 mar. 3;11(3). e0150207. https://doi.org/10.1371/journal.pone.0150207

Author

Abächerli, Roger ; Isaksen, Jonas ; Schmid, Ramun ; Leber, Remo ; Schmid, Hans-Jakob ; Generali, Gianluca. / Digital DC-Reconstruction of AC-Coupled Electrophysiological Signals with a Single Inverting Filter. I: P L o S One. 2016 ; Bind 11, Nr. 3.

Bibtex

@article{15691e2458304b909d1c07b96b6d5f3c,
title = "Digital DC-Reconstruction of AC-Coupled Electrophysiological Signals with a Single Inverting Filter",
abstract = "Since the introduction of digital electrocardiographs, high-pass filters have been necessary for successful analog-to-digital conversion with a reasonable amplitude resolution. On the other hand, such high-pass filters may distort the diagnostically significant ST-segment of the ECG, which can result in a misleading diagnosis. We present an inverting filter that successfully undoes the effects of a 0.05 Hz single pole high-pass filter. The inverting filter has been tested on more than 1600 clinical ECGs with one-minute durations and produces a negligible mean RMS-error of 3.1*10−8 LSB. Alternative, less strong inverting filters have also been tested, as have different applications of the filters with respect to rounding of the signals after filtering. A design scheme for the alternative inverting filters has been suggested, based on the maximum strength of the filter. With the use of the suggested filters, it is possible to recover the original DC-coupled ECGs from AC-coupled ECGs, at least when a 0.05 Hz first order digital single pole high-pass filter is used for the AC-coupling.",
author = "Roger Ab{\"a}cherli and Jonas Isaksen and Ramun Schmid and Remo Leber and Hans-Jakob Schmid and Gianluca Generali",
year = "2016",
month = mar,
day = "3",
doi = "10.1371/journal.pone.0150207",
language = "English",
volume = "11",
journal = "PLoS ONE",
issn = "1932-6203",
publisher = "Public Library of Science",
number = "3",

}

RIS

TY - JOUR

T1 - Digital DC-Reconstruction of AC-Coupled Electrophysiological Signals with a Single Inverting Filter

AU - Abächerli, Roger

AU - Isaksen, Jonas

AU - Schmid, Ramun

AU - Leber, Remo

AU - Schmid, Hans-Jakob

AU - Generali, Gianluca

PY - 2016/3/3

Y1 - 2016/3/3

N2 - Since the introduction of digital electrocardiographs, high-pass filters have been necessary for successful analog-to-digital conversion with a reasonable amplitude resolution. On the other hand, such high-pass filters may distort the diagnostically significant ST-segment of the ECG, which can result in a misleading diagnosis. We present an inverting filter that successfully undoes the effects of a 0.05 Hz single pole high-pass filter. The inverting filter has been tested on more than 1600 clinical ECGs with one-minute durations and produces a negligible mean RMS-error of 3.1*10−8 LSB. Alternative, less strong inverting filters have also been tested, as have different applications of the filters with respect to rounding of the signals after filtering. A design scheme for the alternative inverting filters has been suggested, based on the maximum strength of the filter. With the use of the suggested filters, it is possible to recover the original DC-coupled ECGs from AC-coupled ECGs, at least when a 0.05 Hz first order digital single pole high-pass filter is used for the AC-coupling.

AB - Since the introduction of digital electrocardiographs, high-pass filters have been necessary for successful analog-to-digital conversion with a reasonable amplitude resolution. On the other hand, such high-pass filters may distort the diagnostically significant ST-segment of the ECG, which can result in a misleading diagnosis. We present an inverting filter that successfully undoes the effects of a 0.05 Hz single pole high-pass filter. The inverting filter has been tested on more than 1600 clinical ECGs with one-minute durations and produces a negligible mean RMS-error of 3.1*10−8 LSB. Alternative, less strong inverting filters have also been tested, as have different applications of the filters with respect to rounding of the signals after filtering. A design scheme for the alternative inverting filters has been suggested, based on the maximum strength of the filter. With the use of the suggested filters, it is possible to recover the original DC-coupled ECGs from AC-coupled ECGs, at least when a 0.05 Hz first order digital single pole high-pass filter is used for the AC-coupling.

U2 - 10.1371/journal.pone.0150207

DO - 10.1371/journal.pone.0150207

M3 - Journal article

C2 - 26938769

VL - 11

JO - PLoS ONE

JF - PLoS ONE

SN - 1932-6203

IS - 3

M1 - e0150207

ER -

ID: 168054836