Noninvasive fetal ECG extraction using doubly constrained block-term decomposition
Fetal electrocardiogram (fECG) monitoring is a beneficial method for assessing fetal health and diagnosing the fetal cardiac condition during pregnancy. In this study, an algorithm is proposed to extract fECG from maternal abdominal signals based on doubly constrained block-term (DoCoBT) tensor deco...
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doaj-5a292dfd4cd7464aa3099cfa197e74372021-06-18T01:57:10ZengAIMS PressMathematical Biosciences and Engineering1551-00182020-01-0117114415910.3934/mbe.2020008Noninvasive fetal ECG extraction using doubly constrained block-term decompositionIman Mousavian0Mohammad Bagher Shamsollahi1Emad Fatemizadeh 21. Department of Biomedical Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran2. Department of Electrical Engineering, Sharif University of Technology, Tehran, Iran2. Department of Electrical Engineering, Sharif University of Technology, Tehran, IranFetal electrocardiogram (fECG) monitoring is a beneficial method for assessing fetal health and diagnosing the fetal cardiac condition during pregnancy. In this study, an algorithm is proposed to extract fECG from maternal abdominal signals based on doubly constrained block-term (DoCoBT) tensor decomposition. This tensor decomposition method is constrained by quasiperiodicity constraints of fetal and maternal ECG signals. Tensor decompositions are more powerful tools than matrix decomposition, due to employing more information for source separation. Tensorizing abdominal signals and using periodicity constraints of fetal and maternal ECG, appropriately separates subspaces of the mother, the fetus(es) and noise. The quantitative and qualitative results of the proposed method show improved performance of DoCoBT decomposition versus other tensor and matrix decomposition methods in noisy conditions.https://www.aimspress.com/article/doi/10.3934/mbe.2020008?viewType=HTMLsignal extractionfecgtensor decompositionbt decomposition |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Iman Mousavian Mohammad Bagher Shamsollahi Emad Fatemizadeh |
spellingShingle |
Iman Mousavian Mohammad Bagher Shamsollahi Emad Fatemizadeh Noninvasive fetal ECG extraction using doubly constrained block-term decomposition Mathematical Biosciences and Engineering signal extraction fecg tensor decomposition bt decomposition |
author_facet |
Iman Mousavian Mohammad Bagher Shamsollahi Emad Fatemizadeh |
author_sort |
Iman Mousavian |
title |
Noninvasive fetal ECG extraction using doubly constrained block-term decomposition |
title_short |
Noninvasive fetal ECG extraction using doubly constrained block-term decomposition |
title_full |
Noninvasive fetal ECG extraction using doubly constrained block-term decomposition |
title_fullStr |
Noninvasive fetal ECG extraction using doubly constrained block-term decomposition |
title_full_unstemmed |
Noninvasive fetal ECG extraction using doubly constrained block-term decomposition |
title_sort |
noninvasive fetal ecg extraction using doubly constrained block-term decomposition |
publisher |
AIMS Press |
series |
Mathematical Biosciences and Engineering |
issn |
1551-0018 |
publishDate |
2020-01-01 |
description |
Fetal electrocardiogram (fECG) monitoring is a beneficial method for assessing fetal health and diagnosing the fetal cardiac condition during pregnancy. In this study, an algorithm is proposed to extract fECG from maternal abdominal signals based on doubly constrained block-term (DoCoBT) tensor decomposition. This tensor decomposition method is constrained by quasiperiodicity constraints of fetal and maternal ECG signals. Tensor decompositions are more powerful tools than matrix decomposition, due to employing more information for source separation. Tensorizing abdominal signals and using periodicity constraints of fetal and maternal ECG, appropriately separates subspaces of the mother, the fetus(es) and noise. The quantitative and qualitative results of the proposed method show improved performance of DoCoBT decomposition versus other tensor and matrix decomposition methods in noisy conditions. |
topic |
signal extraction fecg tensor decomposition bt decomposition |
url |
https://www.aimspress.com/article/doi/10.3934/mbe.2020008?viewType=HTML |
work_keys_str_mv |
AT imanmousavian noninvasivefetalecgextractionusingdoublyconstrainedblocktermdecomposition AT mohammadbaghershamsollahi noninvasivefetalecgextractionusingdoublyconstrainedblocktermdecomposition AT emadfatemizadeh noninvasivefetalecgextractionusingdoublyconstrainedblocktermdecomposition |
_version_ |
1721373469590945792 |