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Classification of Fetal Heart Rate Based on Poincare Plot and LSTM / 中国医疗器械杂志
Chinese Journal of Medical Instrumentation ; (6): 250-255, 2021.
Article in Chinese | WPRIM | ID: wpr-880461
ABSTRACT
Fetal heart rate plays an essential role in maternal and fetal monitoring and fetal health detection. In this study, a method based on Poincare Plot and LSTM is proposed to realize the high performance classification of abnormal fetal heart rate. Firstly, the original fetal heart rate signal of CTU-UHB database is preprocessed via interpolation, then the sequential fetal heart rate signal is converted into Poincare Plot to obtain nonlinear characteristics of the signals, and then SquenzeNet is used to extract the features of Poincare Plot. Finally, the features extracted by SqueezeNet are classified by LSTM. And the accuracy, the true positive rate and the false positive rate are 98.00%, 100.00%, 92.30% respectively on 2 000 test set data. Compared with the traditional fetal heart rate classification method, all respects are improved. The method proposed in this study has good performance in CTU-UHB fetal monitoring database and has certain practical value in the clinical diagnosis of auxiliary fetal heart rate detection.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Heart Rate, Fetal / Databases, Factual / Fetal Monitoring / Fetus Limits: Female / Humans / Pregnancy Language: Chinese Journal: Chinese Journal of Medical Instrumentation Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Heart Rate, Fetal / Databases, Factual / Fetal Monitoring / Fetus Limits: Female / Humans / Pregnancy Language: Chinese Journal: Chinese Journal of Medical Instrumentation Year: 2021 Type: Article