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. Author manuscript; available in PMC: 2022 Apr 1.
Published in final edited form as: Comput Methods Programs Biomed. 2021 Feb 9;202:105959. doi: 10.1016/j.cmpb.2021.105959

Figure 4:

Figure 4:

Visualizations of thousands of extracted waves along with their 20 clusters on the 2017 PhysioNet/CinC Challenge database. The K-means clustering algorithm, K = 20 as the number of clusters, is used to cluster the extracted waves from the ECG signals and t-SNE technique is used to show how waves are presented in a high-dimensional space.