Proceedings on Automation in Medical Engineering
Vol. 2 No. 1 (2023): Proc AUTOMED

General procedures and methods, ID 741

Tensor-based approximation of multichannel ECG sections

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Thomas Schanze (Institute of Biomedical Engineering (IBMT), Faculty of Life Science Engineering (LSE), Technische Hochschule Mittelhessen (THM) – University of Applied Sciences, Gießen)

صندلی اداری سرور مجازی ایران Decentralized Exchange


Tensors are multi-dimensional arrays which can be used to represent multi-dimensional data. Here we show how to approximate and compress multiple QRS-aligned multichannel ECG sections, each comprising P-wave, QRS-complex, and T-wave, by higher order singular value decomposition (HOSVD). We also introduce a method for the selection of components obtained by HOSVD for data approximation and a measure to quantify the quality of this tensor-based approximation of multi-dimensional data. The compression performance of this lossy data compression approach is assessed by the compression ratio.

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