[1]张翊丹,刘文涵,张梦新,等. 基于级联分类器的心律失常检测[J].中国医学物理学杂志,2018,35(8):945-950.[doi:DOI:10.3969/j.issn.1005-202X.2018.08.015]
 ZHANG Yidan,LIU Wenhan,ZHANG Mengxin,et al. Arrhythmia detection based on Cascade classifier[J].Chinese Journal of Medical Physics,2018,35(8):945-950.[doi:DOI:10.3969/j.issn.1005-202X.2018.08.015]
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 基于级联分类器的心律失常检测()
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《中国医学物理学杂志》[ISSN:1005-202X/CN:44-1351/R]

卷:
35卷
期数:
2018年第8期
页码:
945-950
栏目:
医学信号处理与医学仪器
出版日期:
2018-08-20

文章信息/Info

Title:
 Arrhythmia detection based on Cascade classifier
文章编号:
1005-202X(2018)08-0945-06
作者:
 张翊丹刘文涵张梦新廖远黄启俊常胜王豪何进
 武汉大学物理科学与技术学院, 湖北 武汉 430000
Author(s):
 ZHANG Yidan LIU Wenhan ZHANG Mengxin LIAO Yuan HUANG Qijun CHANG Sheng WANG Hao HE Jin
 School of Physics and Technology, Wuhan University, Wuhan 430000, China
关键词:
 室性早搏左束支传导阻滞级联分类器支持向量机加权最小距离分类器
Keywords:
 Keywords: premature ventricular contraction left bundle branch block Cascade classifier support vector machine weighted minimum distance classifier
分类号:
TP391
DOI:
DOI:10.3969/j.issn.1005-202X.2018.08.015
文献标志码:
A
摘要:
 常见的心律失常如室性早博(PVC)和左束支传导阻滞(LBBB)在心血管疾病诊断和预后中具有重要的临床价值。本文提出一种用于PVC和LBBB自动检测的级联分类器,通过提取时域和形态特征,采用支持向量机区分PVC和非PVC,再采用加权最小距离分类器(W-MDC)将非PVC分为正常(N)和LBBB。用MIT-BIH心律失常数据库进行算法验证,对N、LBBB和PVC三分类的总体正确率为96.28%,N、LBBB、PVC各类的灵敏度和特异性分别为98.59%、97.15%,81.41%、91.89%和89.22%、84.87%,验证该算法的泛化能力及对不同病人的心拍分类有效性。此外,本文还证明多导联信息综合对LBBB分类性能的提高。
Abstract:
 Abstract: As common cardiac arrhythmias, premature ventricular contraction (PVC) and left bundle branch block (LBBB) have great significance in the diagnosis and prognosis of cardiovascular diseases. For the automatic detection of PVC and LBBB is proposed. By extracting the time-domain and morphological features, support vector machine (SVM) is utilized to distinguish PVC and non-PVC. The labeled non-PVC is then divided into normal (N) and LBBB using weighted minimum distance classifier (W-MDC). The proposed algorithm is evaluated using MIT-BIH arrhythmia database. The overall accuracy of N, LBBB and PVC classification is 96.28%. The sensitivity and specificity are 98.59% and 97.15% for N class, 81.41% and 91.89% for LBBB, 89.22% and 84.87% for PVC, respectively, which inter-patient heartbeat classification and the generalization ability of the proposed algorithm among different individuals. In addition, the synthesis of multi-leads information is also proved to be able to improve the LBBB detection performance.

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备注/Memo

备注/Memo:
 收稿日期】2018-02-27
【基金项目】湖北省自然科学基金面上项目(2017CFB660);中央高校基本科研业务专项经费(2042016kf0189)
【作者简介】张翊丹,硕士研究生,主要研究方向:心电信号自动识别算法研究,E-mail: yidan_zhang@whu.edu.cn
【通信作者】黄启俊,博士,教授,主要研究方向:微电子系统设计、探测系统(仪器)研发,E-mail:huangqj@whu.edu.cn
更新日期/Last Update: 2018-07-26