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  • Title: A novel method of diagnosing premature ventricular contraction based on sparse auto-encoder and softmax regression.
    Author: Yang J, Bai Y, Li G, Liu M, Liu X.
    Journal: Biomed Mater Eng; 2015; 26 Suppl 1():S1549-58. PubMed ID: 26405919.
    Abstract:
    Premature ventricular contraction (PVC) is one of the most serious arrhythmias. Without early diagnosis and proper treatment, PVC can result in significant complications. In this paper, a novel feature extraction method based on a sparse auto-encoder (SAE) and softmax regression (SR) classifier was used to differentiate PVCs from other common Non-PVC rhythms, including normal sinus (N), left bundle branch block (LBBB), right bundle branch block (RBBB), atrial premature contraction (APC), and paced beat (PB) rhythms. The proposed method was analyzed using 40 ECG records obtained from the MIT-BIH Arrhythmia Database. The proposed method exhibited an overall accuracy of 99.4%, with a PVC recognition sensitivity and positive predictability of 97.9% and 91.8%, respectively.
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