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Med Eng Phys. 2013 Jul;35(7):1005-14. doi: 10.1016/j.medengphy.2012.09.011. Epub 2012 Oct 23.

An application of reconfigurable technologies for non-invasive fetal heart rate extraction.

Author information

1
ECsens, Department of Electronics and Computer Technology, ETSIIT, University of Granada, Granada, Spain. diegopm@ugr.es

Abstract

This paper illustrates the use of a reconfigurable system for fetal electrocardiogram (FECG) estimation from mother's abdomen ECG measurements. The system is based on two different reconfigurable devices. Initially, a field-programmable analog array (FPAA) device implements the analog reconfigurable preprocessing for ECG signal acquisition. The signal processing chain continues onto a field-programmable gate array (FPGA) device, which contains all the communication and interfacing protocols along with specific digital signal processing blocks required for fundamental period extraction from FECG waveforms. The synergy between these devices provides the system the ability to change any necessary parameter during the acquisition process for enhancing the result. The use of a FPGA allows implementing different algorithms for FECG signal extraction, such as adaptive signal filtering. Preliminary works employ commercially available development platforms for test experiments, which suffice for the processing of real FECG signals from biomedical databases, as the presented results illustrate.

PMID:
23089209
DOI:
10.1016/j.medengphy.2012.09.011
[Indexed for MEDLINE]
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