Independent component analysis: fetal signal reconstruction from magnetocardiographic recordings
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Independent component analysis (ICA) was used for the processing of cardiological signals obtained by means of fetal magnetocardiography (fMCG), a technique allowing the non-invasive recording of the weak magnetic field variations associated to the electrical activity of the fetal heart. Purpose of the present work was to verify whether a computational-light ICA algorithm (FastICA), tailored to the characteristics of fMCG, could reconstruct reliable signals of the fetal cardiac activity during the last gestational trimester, when good electrophysiological traces are difficult to obtain although being extremely important for clinical diagnosis of severe fetal dysrhythmias. Several combinations of input recordings and output components were examined in order to assess the best configuration to successfully use FastICA. The reconstructed traces were compared with those obtained with deterministic techniques already used for this purpose, and they showed to be stable and reliable, unaffected by overlapped maternal and fetal beats and suitable for clinical applications.
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Self-citation
- Authors
- Comani, S., Mantini, D., Pennesi, P., Lagatta, A., & Cancellieri, G.
- Affiliations
- Marche Polytechnic University (IT)
- University of Chieti-Pescara (IT)
- Corresponding author
- Comani, Silvia
- Venue
- Computer Methods and Programs in Biomedicine
- Publisher
- Elsevier BV
- Published
- 2004-08
- Volume
- 75
- Issue
- 2
- Pages
- 163-177
- ISSN
- 0169-2607 (ISSN-L)
- OpenAlex
- W2079776257
- Cited by
- 46
- References
- 35
- Citations by year
- 2026: 2 · 2025: 1 · 2024: 2 · 2022: 2 · 2021: 2 · 2017: 1 · 2016: 3 · 2014: 3 · 2012: 2
- FWCI
- 8.49
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Computer Methods and Programs in Biomedicine (publishedVersion)
- PubMed (publishedVersion)
- Lirias (submittedVersion, other-oa)
- IRIS Research product catalog (Sapienza University of Rome) (submittedVersion)
- Topics
- Physical Sciences › Computer Science › Signal Processing › Blind Source Separation Techniques
- Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › ECG Monitoring and Analysis
- Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Heart Rate Variability and Autonomic Control
- Keywords
- fetal magnetocardiography, independent component analysis, FastICA, fetal cardiac activity, fetal heart rate, fetal arrhythmia, signal reconstruction, third trimester
- MeSH terms
- Algorithms, Electrophysiology, Fetus, Heart, Humans
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