Synchronous detector as a new paradigm for automatic microembolus detection
by Jean-Marc Girault; Zheng Zhao
International Journal of Biomedical Engineering and Technology (IJBET), Vol. 14, No. 1, 2014

Abstract: We propose here a new detector paradigm based on synchronous detection. Unlike standard energy detectors, this kind of detector uses the pseudo-cyclostationarity properties of blood Doppler signals. The new detector, which is synchronised with cardiac rhythm, was compared to a gold standard and a standard energy detector. Detectors were evaluated according to clinical recordings from patients with carotid stenoses. The results showed that it was possible to detect inaudible microemboli. The detection rate was improved by 30% and the false alarm rate was below 2%.

Online publication date: Thu, 16-Oct-2014

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