子宫肌电图尺度图的脊线提取

Proceedings of the IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis (Cat. No.98TH8380) Pub Date : 1998-10-06 DOI:10.1109/TFSA.1998.721407

L. Helene, M. Catherine

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引用次数: 12

摘要

我们提出了一种基于尺度图局部最大值的脊线提取方法，以跟踪时间范围内的频谱分量。该方法应用于猴子的子宫肌电图信号，它代表了怀孕期间的子宫电活动。该信号具有两个频谱分量，在文献中被识别为FW/sub L/和FW/sub H/。它们的提取和特征对了解妇女的子宫活动，特别是对早产的医学诊断具有重要价值。

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Ridge extraction from the scalogram of the uterine electromyogram

We propose a ridge extraction method, based on the local maxima of the scalogram, in order to follow the spectral components during time. The method is applied on a monkey's uterine electromyogram signal, which represents the electrical uterine activity during pregnancy. This signal possesses two spectral components, identified as FW/sub L/ and FW/sub H/ in the literature. Their extraction and characterization could be of great value to understand the woman's uterine activity, particularly for the medical diagnosis of preterm delivery.

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Proceedings of the IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis (Cat. No.98TH8380)

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