用于多通道FHR测量的快速胎儿心率估计

Proceedings of 17th International Conference of the Engineering in Medicine and Biology Society Pub Date : 1995-09-20 DOI:10.1109/IEMBS.1995.579394

Yan Yongsheng, Kang Nansheng

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引用次数: 0

摘要

利用超声多普勒效应测量获得的胎儿心脏信号通常是准周期的。其自相关函数(ACF)已成功应用于胎儿心率(FHR)的估计。为了克服估计过程中产生的大量计算量，作者开发了一种采用归一化ACF方法估计FHR的快速策略。该算法在通用PC机上实现了多达四通道的FHR同时测量。

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Fast fetal heart rate estimation for multi-channel FHR measurement

The fetal heart signal obtained using ultrasonic Doppler effect measurements is generally quasi-periodic. Its autocorrelation function (ACF) has been successfully applied in the estimation of fetal heart rate (FHR). To overcome the massive computations incurred in the estimation, the authors developed a fast strategy involving two-pass process to estimate FHR via normalized ACF. The algorithm has enabled up to four-channel simultaneous FHR measurement based on a general purpose PC.

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Proceedings of 17th International Conference of the Engineering in Medicine and Biology Society

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