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- W71099764 abstract "[ANGLES] Heart diseases are the cause of many deaths during prenatal, childbirth and newborn periods. Therefore, the study of the fetal cardiac signals might be very helpful in order to evaluate the fetal heart status for early detection of cardiac abnormalities. The recent trend in obtaining the fetal electrocardiogram (fECG) is to record signals in a non invasive way, by using surface electrodes placed on the maternal abdomen. Extracting the fetal component from this abdominal recordings is a challenging task due to the low energy of the fECG, which often is buried into maternal electrocardiography and noise sources. Although an extraction method for this purpose was developed at IBMT at the TU Dresden based on the Event Synchronous Canceller (ESC) method, the obtained results were still not enough accurate. Thus, this present study contemplates the implementation of a method that can improve the last obtained results. The chosen implemented scheme within this work is a Kalman filter (KF) based approach. Besides, a theoretical base of KF's algorithm, various examples of its usage in the general area of the ECG processing are given. This work establishes the possibility of new works related to this technique in the IBMT department. Moreover, this work continues the collaboration between IBMT and the University Hospital of Leipzig and therefore the algorithm has not only been tested with simulated data but also with real data obtained in the Hospital of Leipzig. Finally, the obtained achievements have been contrasted and compared with the former developed method within this department. The KF based scheme has not only been capable of successfully extracting the fECG from abdominal recordings, but also it has shown to be more robust than the previous scheme." @default.
- W71099764 created "2016-06-24" @default.
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- W71099764 date "2012-07-02" @default.
- W71099764 modified "2023-09-26" @default.
- W71099764 title "Processing of abdominal recordings by Kalman filters" @default.
- W71099764 hasPublicationYear "2012" @default.
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