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A transformer model blended with CNN and denoising autoencoder for inter-patient ECG arrhythmia classification by Yong Xia; Yueqi Xiong; Kuanquan Wang is a Medicine article available to read on EtoBox.

What is A transformer model blended with CNN and denoising autoencoder for inter-patient ECG arrhythmia classification about?

Researchers have proposed numerous novel features and models under the intra-patient paradigm. However, their performance suffers when considering the inter-patient paradigm. While some state-of-the-art results have been reported in recent years under the inter-patient paradigm, many of them deviate from the standard test protocol. The performance of minority classes remains unsatisfactory for practical applications under strict test protocols. This paper presents a novel framework based on a lightweight Transformer combined with CNN and a denoising autoencoder, which enhances the performance of minority classes under the standard test protocol. The proposed model includes a new seq2seq network that extracts local features from a single heartbeat using CNN or a denoising encoder, and attends to global features from neighboring heartbeats based on a lightweight Transformer encoder. In particular, we pretrained the autoencoder on the MIT-BIH dataset and an additional dataset, considering several transfer modes for feature representation. We organized multiple continuous heartbeats into a vector sequence, where each heartbeat incorporates information from its neighbors to improve feat

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Author

Yong Xia; Yueqi Xiong; Kuanquan Wang

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Medicine (Physical Sciences)