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. 2023 Jul 2;23(13):6099. doi: 10.3390/s23136099

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Showcase of data preprocessing procedures for a specific sample of collected ECG data. These steps include (a) down-sampling the ECG from 494,033 data points to 230,400 data points, (b) employing a Butterworth filter, (c) segmenting the data, and (d) normalizing the data.

Showcase of data preprocessing procedures for a specific sample of collected ECG data. These steps include (a) down-sampling the ECG from 494,033 data points to 230,400 data points, (b) employing a Butterworth filter, (c) segmenting the data, and (d) normalizing the data.