Journal
BIOMEDICAL SIGNAL PROCESSING AND CONTROL
Volume 33, Issue -, Pages 289-305Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.bspc.2016.11.007
Keywords
Fetal phonocardiography; Fetal monitoring; Fetal heart sounds; De-noising; Fetal heart rate; Phonocardiogram modeling
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Monitoring the well-being of a fetus through Fetal Phonocardiography (FPCG) has been occurring for more than a century. Throughout history, there have been continuous advances in sensor development, data acquisition systems, and signal processing techniques. Despite these advancements, FPCG based point of care technologies are facing serious challenges in translating from basic research to clinical trials and commercialization. This is partly due to the noisy characteristic associated with FPCG, to the lesser clinical knowledge about fetal and maternal physiological profiles, to the unavailability of gold standard databases, and to the limited application of reliable signal processing techniques. In order to understand why FPCG continues to be underutilized, it is necessary to know about the existing standards of fetal monitoring, data collection trends, and the signal processing aspects. To serve this purpose, this paper will first provide an overview of the existing standards of fetal monitoring and then provide a comprehensive survey on Fetal Phonocardiography with focus on trends in data collection, signal processing techniques and synthesis models that have been developed to date. Finally, a set of guidelines will be proposed for future research and use in signal analysis, processing and modeling based on the outlined challenges. (C) 2016 Elsevier Ltd. All rights reserved.
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