Intra- and Interpatient ECG Heartbeat Classification Based on Multimodal Convolutional Neural Networks with an Adaptive Attention Mechanism

被引:0
|
作者
Di Paolo, italo Flexa [1 ,2 ]
Castro, Adriana Rosa Garcez [1 ]
机构
[1] Fed Univ Para, Postgrad Program Elect Engn, BR-66075110 Belem, PA, Brazil
[2] Para State Univ, Ctr Nat Sci & Technol, Dept Comp Syst & Infrastructure, BR-67125118 Ananindeua, PA, Brazil
来源
APPLIED SCIENCES-BASEL | 2024年 / 14卷 / 20期
关键词
arrhythmia classification; electrocardiogram (ECG); multimodal convolutional neural network (CNN); attention mechanism; ARRHYTHMIA DETECTION; RECURRENCE PLOTS; RECOGNITION; CNN; FUSION;
D O I
10.3390/app14209307
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Echocardiography (ECG) is a noninvasive technology that is widely used for recording heartbeats and diagnosing cardiac arrhythmias. However, interpreting ECG signals is challenging and may require substantial time from medical specialists. The evolution of technology and artificial intelligence has led to advances in the study and development of automatic arrhythmia classification systems to aid in medical diagnoses. Within this context, this paper introduces a framework for classifying cardiac arrhythmias on the basis of a multimodal convolutional neural network (CNN) with an adaptive attention mechanism. ECG signal segments are transformed into images via the Hilbert space-filling curve (HSFC) and recurrence plot (RP) techniques. The framework is developed and evaluated using the MIT-BIH public database in alignment with AAMI guidelines (ANSI/AAMI EC57). The evaluations accounted for interpatient and intrapatient paradigms, considering variations in the input structure related to the number of ECG leads (lead MLII and V1 + MLII). The results indicate that the framework is competitive with those in state-of-the-art studies, particularly for two ECG leads. The accuracy, precision, sensitivity, specificity and F1 score are 98.48%, 94.15%, 80.23%, 96.34% and 81.91%, respectively, for the interpatient paradigm and 99.70%, 98.01%, 97.26%, 99.28% and 97.64%, respectively, for the intrapatient paradigm.
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页数:22
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