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阵发性和持续性房颤的分类方法研究

Chinese Journal of Biomedical Engineering(2012)

Cited 5|Views26
Abstract
目前,人们对房颤维持和终止的机制还没有完全了解,因此对阵发性房颤和持续性房颤的分类具有非常重要的研究意义.鉴于此,本研究提出一种新的分类方法.根据主成分分析从单导联心电信号中提取出房颤信号,其次计算提取到的房颤信号的特征,最后用分类器对阵发性和持续性房颤进行分类.提出将房颤波的复杂度作为房颤波波动复杂度的表征.对阵发性和持续性房颤分类的实验结果表明,预测的总正确率是90%.在1 000次随机性实验中,最高分类正确率可达到92%,平均正确率为77.12%.该方法可以很好的对两类房颤进行分类,对预测房颤的自发性终止有一定的指导意义.
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Key words
Atrial fibrillation (AF) classification,Complexity,Principal component analysis
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